{"product_id":"vaillant-ecotec-plus-48-64kw-commercial-system-boilers","title":"Vaillant ecoTEC plus 48\/64kW Commercial System Boilers","description":"\u003c!-- SEO Product Name: Vaillant ecoTEC plus 48\/64kW System Boiler | 10021520 | 10021521 --\u003e\n\u003cdiv style=\"font-size: 16px; max-width: 900px; margin: 0 auto; font-family: Arial, Helvetica, sans-serif; color: #1f2d2b;\"\u003e\n\u003cp style=\"margin: 0 0 14px 0; line-height: 1.7; color: #1f2d2b;\"\u003eThe \u003cstrong\u003eVaillant ecoTEC plus 48 kW and 64 kW\u003c\/strong\u003e are \u003cstrong\u003ewall-hung condensing system boilers\u003c\/strong\u003e for \u003cstrong\u003elight commercial and larger domestic\u003c\/strong\u003e projects that need high output from a compact footprint. At \u003cstrong\u003e720 mm high and 440 mm wide\u003c\/strong\u003e, the 48 kW weighs just \u003cstrong\u003e38 kg\u003c\/strong\u003e (the 64 kW is \u003cstrong\u003e48 kg\u003c\/strong\u003e), and the \u003cstrong\u003efront and side panels both remove\u003c\/strong\u003e for easier access in tight plant rooms and cupboards.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px 0; line-height: 1.7; color: #1f2d2b;\"\u003eBoth models use a \u003cstrong\u003ehigh-efficiency stainless steel heat exchanger\u003c\/strong\u003e, a \u003cstrong\u003ebuilt-in ErP-rated pump\u003c\/strong\u003e and a \u003cstrong\u003egunmetal air separator\u003c\/strong\u003e, with \u003cstrong\u003e98.2% net efficiency at 80\/60°C\u003c\/strong\u003e and \u003cstrong\u003eNOx class 6\u003c\/strong\u003e emissions (30.8 mg\/kWh on the 48 kW, 29.1 mg\/kWh on the 64 kW). Installed with a \u003cstrong\u003eclass VI control\u003c\/strong\u003e such as the VRC 700 or sensoCOMFORT, the boilers reach \u003cstrong\u003eErP A+\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px 0; line-height: 1.7; color: #1f2d2b;\"\u003eFor larger demand, the boilers \u003cstrong\u003ecascade on a wall or on Vaillant cascade rig sets\u003c\/strong\u003e (inline or back-to-back, up to four boilers per rig set), and both can be run on \u003cstrong\u003eLPG\u003c\/strong\u003e for off-gas sites. Each boiler ships with a \u003cstrong\u003egas isolation valve\u003c\/strong\u003e, \u003cstrong\u003eflow and return isolation valves\u003c\/strong\u003e and a \u003cstrong\u003epressure relief valve\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0;\"\u003e\n\u003cdiv style=\"flex: 1 1 130px; background: #008377CF; color: #ffffff; border-radius: 8px; padding: 14px 10px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.2;\"\u003e48 \u0026amp; 64 kW\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 6px; line-height: 1.35;\"\u003eOutput models\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; background: #008377CF; color: #ffffff; border-radius: 8px; padding: 14px 10px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.2;\"\u003e98.2%\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 6px; line-height: 1.35;\"\u003eNet efficiency at 80\/60°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; background: #008377CF; color: #ffffff; border-radius: 8px; padding: 14px 10px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.2;\"\u003eA+\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 6px; line-height: 1.35;\"\u003eErP with a class VI control\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; background: #008377CF; color: #ffffff; border-radius: 8px; padding: 14px 10px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.2;\"\u003e38 \/ 48 kg\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 6px; line-height: 1.35;\"\u003eDry weight, pump included\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; background: #008377CF; color: #ffffff; border-radius: 8px; padding: 14px 10px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.2;\"\u003eNOx Class 6\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 6px; line-height: 1.35;\"\u003e30.8 \/ 29.1 mg\/kWh\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; background: #008377CF; color: #ffffff; border-radius: 8px; padding: 14px 10px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.2;\"\u003e5 years\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 6px; line-height: 1.35;\"\u003eGuarantee as standard\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #c62828; background: #fdecea; border-radius: 6px; padding: 14px 18px; margin: 16px 0;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #c62828; margin-bottom: 6px;\"\u003eInstallation and safety\u003c\/div\u003e\n\u003cdiv style=\"color: #1f2d2b; line-height: 1.6;\"\u003eMust be installed by a \u003cstrong\u003eGas Safe registered engineer\u003c\/strong\u003e in line with the Vaillant instructions and the Gas Safe (Installation and Use) Regulations. Flue terminations for installations up to 70 kW net must comply with \u003cstrong\u003eBS 5440-1\u003c\/strong\u003e. Where boilers in cascade exceed \u003cstrong\u003e70 kW net output\u003c\/strong\u003e, the flue must be designed to \u003cstrong\u003eBS 6644 and IGEM\/UP\/10\u003c\/strong\u003e and Vaillant requires \u003cstrong\u003esystem separation with a plate heat exchanger\u003c\/strong\u003e. System water must be \u003cstrong\u003eclean and treated with inhibitor\u003c\/strong\u003e: omissions can cause failures that are not covered by the guarantee.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #e08a00; background: #fff6e5; border-radius: 6px; padding: 14px 18px; margin: 16px 0;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #b35200; margin-bottom: 6px;\"\u003eSupplied as a boiler only\u003c\/div\u003e\n\u003cdiv style=\"color: #1f2d2b; line-height: 1.6;\"\u003eThe \u003cstrong\u003eexpansion vessel is not supplied\u003c\/strong\u003e, so size one for the system volume. The \u003cstrong\u003e80\/125 mm concentric flue\u003c\/strong\u003e (for example horizontal kit 303209 or vertical terminal 303200), \u003cstrong\u003econtrols\u003c\/strong\u003e and any \u003cstrong\u003elow-loss header or plate heat exchanger\u003c\/strong\u003e are ordered separately. The A+ rating needs a \u003cstrong\u003eclass VI control\u003c\/strong\u003e such as the VRC 700 or sensoCOMFORT.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: #008377cf; font-size: 21px; font-weight: bold; margin: 30px 0 12px 0; padding-bottom: 6px; border-bottom: 3px solid #008377CF;\"\u003eModels in this range\u003c\/h3\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; overflow: hidden; margin: 0 0 18px 0;\"\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 6px 12px; padding: 10px 14px; background: #008377CF; color: #ffffff; font-size: 14px;\"\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003eModel\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003eMPN\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003eG.C. number\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003eOutput at 80\/60°C\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003eH × W × D (mm)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003eDry weight\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 10px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eecoTEC plus 48 kW\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e10021520\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e41-694-28\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e7.8 - 44.1 kW\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e720 × 440 × 405\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e38 kg\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 10px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eecoTEC plus 64 kW\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e10021521\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e41-694-29\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e11.0 - 58.7 kW\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e720 × 440 × 473\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e48 kg\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: #008377cf; font-size: 21px; font-weight: bold; margin: 30px 0 12px 0; padding-bottom: 6px; border-bottom: 3px solid #008377CF;\"\u003eKey Features\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 16px; margin: 18px 0;\"\u003e\n\u003cdiv style=\"flex: 1 1 260px; border: 1px solid #008377CF; border-top: 5px solid #008377CF; border-radius: 8px; padding: 16px; background: #ffffff;\"\u003e\n\u003cdiv style=\"font-weight: bold; font-size: 16px; color: #008377cf; margin-bottom: 8px;\"\u003eCompact and Lightweight\u003c\/div\u003e\n\u003cdiv style=\"color: #1f2d2b; line-height: 1.6; font-size: 15px;\"\u003eJust \u003cstrong\u003e720 × 440 mm\u003c\/strong\u003e on the wall and \u003cstrong\u003e38 kg\u003c\/strong\u003e for the 48 kW, with \u003cstrong\u003eremovable front and side panels\u003c\/strong\u003e so servicing is easier in restricted spaces.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; border: 1px solid #008377CF; border-top: 5px solid #008377CF; border-radius: 8px; padding: 16px; background: #ffffff;\"\u003e\n\u003cdiv style=\"font-weight: bold; font-size: 16px; color: #008377cf; margin-bottom: 8px;\"\u003eStainless Steel Heat Exchanger\u003c\/div\u003e\n\u003cdiv style=\"color: #1f2d2b; line-height: 1.6; font-size: 15px;\"\u003eA \u003cstrong\u003ehighly efficient stainless steel heat exchanger\u003c\/strong\u003e keeps running costs down, using Vaillant's familiar, robust design. Net efficiency is \u003cstrong\u003e98.2% at 80\/60°C\u003c\/strong\u003e and \u003cstrong\u003e109.5% at 30% load\u003c\/strong\u003e (40\/30°C).\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; border: 1px solid #008377CF; border-top: 5px solid #008377CF; border-radius: 8px; padding: 16px; background: #ffffff;\"\u003e\n\u003cdiv style=\"font-weight: bold; font-size: 16px; color: #008377cf; margin-bottom: 8px;\"\u003eBuilt-In High-Efficiency Pump\u003c\/div\u003e\n\u003cdiv style=\"color: #1f2d2b; line-height: 1.6; font-size: 15px;\"\u003eThe \u003cstrong\u003ein-built ErP pump\u003c\/strong\u003e (EEI ≥ 0.23) matches the boiler's output and keeps the installation compact. Pump head is adjustable from \u003cstrong\u003e100 to 400 mbar\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; border: 1px solid #008377CF; border-top: 5px solid #008377CF; border-radius: 8px; padding: 16px; background: #ffffff;\"\u003e\n\u003cdiv style=\"font-weight: bold; font-size: 16px; color: #008377cf; margin-bottom: 8px;\"\u003eRain Ingress Protection\u003c\/div\u003e\n\u003cdiv style=\"color: #1f2d2b; line-height: 1.6; font-size: 15px;\"\u003eAn \u003cstrong\u003einternal ducted rain collector\u003c\/strong\u003e stops water from the flue system depositing in the casing, helping protect the \u003cstrong\u003einternal electronics\u003c\/strong\u003e. A \u003cstrong\u003egunmetal air separator\u003c\/strong\u003e removes micro-air bubbles from the water.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; border: 1px solid #008377CF; border-top: 5px solid #008377CF; border-radius: 8px; padding: 16px; background: #ffffff;\"\u003e\n\u003cdiv style=\"font-weight: bold; font-size: 16px; color: #008377cf; margin-bottom: 8px;\"\u003eCascade Ready\u003c\/div\u003e\n\u003cdiv style=\"color: #1f2d2b; line-height: 1.6; font-size: 15px;\"\u003eCombine boilers on a \u003cstrong\u003ewall or Vaillant rig system\u003c\/strong\u003e to reach higher outputs in limited space. Each boiler in cascade needs a \u003cstrong\u003eflue non-return valve\u003c\/strong\u003e, and the boilers operate up to \u003cstrong\u003e3.5 bar\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; border: 1px solid #008377CF; border-top: 5px solid #008377CF; border-radius: 8px; padding: 16px; background: #ffffff;\"\u003e\n\u003cdiv style=\"font-weight: bold; font-size: 16px; color: #008377cf; margin-bottom: 8px;\"\u003eLow Emissions and 5-Year Guarantee\u003c\/div\u003e\n\u003cdiv style=\"color: #1f2d2b; line-height: 1.6; font-size: 15px;\"\u003e\n\u003cstrong\u003eLow NOx burner system\u003c\/strong\u003e (NOx class 6) minimises environmental impact. A \u003cstrong\u003e5-year guarantee\u003c\/strong\u003e is included as standard, subject to conditions and registration within 30 days, with a further 5 years available through Vaillant Advance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: #008377cf; font-size: 21px; font-weight: bold; margin: 30px 0 12px 0; padding-bottom: 6px; border-bottom: 3px solid #008377CF;\"\u003eSuitable For\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 16px; margin: 18px 0;\"\u003e\n\u003cdiv style=\"flex: 1 1 260px; border: 1px solid #008377CF; border-top: 5px solid #008377CF; border-radius: 8px; padding: 16px; background: #ffffff;\"\u003e\n\u003cdiv style=\"font-weight: bold; font-size: 16px; color: #008377cf; margin-bottom: 8px;\"\u003eLight Commercial Premises\u003c\/div\u003e\n\u003cdiv style=\"color: #1f2d2b; line-height: 1.6; font-size: 15px;\"\u003eLight commercial projects that need \u003cstrong\u003eup to 63.5 kW\u003c\/strong\u003e from a single wall-hung boiler in a tight or restrictive space.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; border: 1px solid #008377CF; border-top: 5px solid #008377CF; border-radius: 8px; padding: 16px; background: #ffffff;\"\u003e\n\u003cdiv style=\"font-weight: bold; font-size: 16px; color: #008377cf; margin-bottom: 8px;\"\u003eLarger Domestic Projects\u003c\/div\u003e\n\u003cdiv style=\"color: #1f2d2b; line-height: 1.6; font-size: 15px;\"\u003eLarger domestic projects where \u003cstrong\u003ehigh heat demand\u003c\/strong\u003e meets limited siting space.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; border: 1px solid #008377CF; border-top: 5px solid #008377CF; border-radius: 8px; padding: 16px; background: #ffffff;\"\u003e\n\u003cdiv style=\"font-weight: bold; font-size: 16px; color: #008377cf; margin-bottom: 8px;\"\u003eCascade Plant Rooms\u003c\/div\u003e\n\u003cdiv style=\"color: #1f2d2b; line-height: 1.6; font-size: 15px;\"\u003eModular plant rooms built from \u003cstrong\u003eseveral wall-hung boilers\u003c\/strong\u003e on a Vaillant rig for resilience and flexible output.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; border: 1px solid #008377CF; border-top: 5px solid #008377CF; border-radius: 8px; padding: 16px; background: #ffffff;\"\u003e\n\u003cdiv style=\"font-weight: bold; font-size: 16px; color: #008377cf; margin-bottom: 8px;\"\u003eHybrid Systems\u003c\/div\u003e\n\u003cdiv style=\"color: #1f2d2b; line-height: 1.6; font-size: 15px;\"\u003eCompatible with \u003cstrong\u003eVaillant aroTHERM heat pumps\u003c\/strong\u003e to create a hybrid heating system.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: #008377cf; font-size: 21px; font-weight: bold; margin: 30px 0 12px 0; padding-bottom: 6px; border-bottom: 3px solid #008377CF;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; overflow: hidden; margin: 0 0 18px 0;\"\u003e\n\u003cdiv style=\"background: #008377CF; color: #ffffff; font-weight: bold; padding: 10px 14px;\"\u003eGeneral\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 6px 12px; padding: 8px 14px; background: #e3f3f1; color: #1f2d2b; font-size: 14px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold;\"\u003eParameter\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003e48 kW\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003e64 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eArticle number\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e0010021520\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e0010021521\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eGas Council number\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e41-694-28\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e41-694-29\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eBoiler type\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eWall-hung condensing system boiler\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eWall-hung condensing system boiler\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eDimensions (H × W × D)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e720 × 440 × 405 mm\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e720 × 440 × 473 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eDry weight (includes pump)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e38 kg\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e48 kg\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eInternal water capacity\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e3.5 l\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e4.4 l\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eGuarantee\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e5 years as standard\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e5 years as standard\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; overflow: hidden; margin: 0 0 18px 0;\"\u003e\n\u003cdiv style=\"background: #008377CF; color: #ffffff; font-weight: bold; padding: 10px 14px;\"\u003ePerformance (natural gas G20 at 20 mbar)\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 6px 12px; padding: 8px 14px; background: #e3f3f1; color: #1f2d2b; font-size: 14px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold;\"\u003eParameter\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003e48 kW\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003e64 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eHeat output range, 80\/60°C\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e7.8 - 44.1 kW\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e11.0 - 58.7 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eHeat output range, 50\/30°C\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e8.7 - 48.0 kW\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e12.2 - 63.5 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eMaximum heat input (net)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e45.2 kW\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e60 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eModulation ratio\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e5.5 : 1 (18%)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e5.2 : 1 (19%)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eNet efficiency at 100%, 80\/60°C\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e98.2%\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e98.2%\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eNet efficiency at 30%, 40\/30°C\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e109.5%\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e109.5%\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eErP\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eA+ (with class VI control)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eA+ (with class VI control)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eErP efficiency\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e94%\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e94%\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eSAP winter \/ summer seasonal efficiency\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e88.4 \/ 79.4%\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e88.0 \/ 79.0%\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003ePart L2 seasonal efficiency (natural gas)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e96.3%\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e96.7%\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eNOx class 6 (0% O₂, dry)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e30.8 mg\/kWh\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e29.1 mg\/kWh\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eSound power (EN 15036-1)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e57 dB(A)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e57 dB(A)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; overflow: hidden; margin: 0 0 18px 0;\"\u003e\n\u003cdiv style=\"background: #008377CF; color: #ffffff; font-weight: bold; padding: 10px 14px;\"\u003eGas\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 6px 12px; padding: 8px 14px; background: #e3f3f1; color: #1f2d2b; font-size: 14px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold;\"\u003eParameter\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003e48 kW\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003e64 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eGas working pressure\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e20 mbar NG \/ 37 mbar LPG\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e20 mbar NG \/ 37 mbar LPG\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eNominal gas consumption (natural gas)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e4.8 m³\/h\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e6.3 m³\/h\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eNominal gas consumption (LPG)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e3.5 kg\/h\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e4.6 kg\/h\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eGas connection\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eBSP 1″\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eBSP 1″\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; overflow: hidden; margin: 0 0 18px 0;\"\u003e\n\u003cdiv style=\"background: #008377CF; color: #ffffff; font-weight: bold; padding: 10px 14px;\"\u003eHeating Circuit\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 6px 12px; padding: 8px 14px; background: #e3f3f1; color: #1f2d2b; font-size: 14px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold;\"\u003eParameter\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003e48 kW\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003e64 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eFlow temperature range\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e30 - 80°C\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e30 - 80°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eNominal flow rate at ΔT 20 K\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e1900 l\/h\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e2500 l\/h\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003ePump head, min \/ max \/ default\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e100 \/ 400 \/ 200 mbar\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e100 \/ 400 \/ 200 mbar\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003ePump\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eBuilt-in, EEI ≥ 0.23\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eBuilt-in, EEI ≥ 0.23\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eOperating pressure\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e0.8 - 3.5 bar\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e0.8 - 3.5 bar\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003ePressure relief valve\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eBSP 1″ (4 bar rating)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eBSP 1″ (4 bar rating)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eFlow and return connections\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eBSP 1¼″\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eBSP 1¼″\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eCondensate rate (pH 3.5 - 4.0)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e5.0 l\/h\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e6.9 l\/h\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eCondensate connection\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e19 mm ID\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e19 mm ID\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eStandby loss at ΔT 30 K\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e25 W\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e32 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; overflow: hidden; margin: 0 0 18px 0;\"\u003e\n\u003cdiv style=\"background: #008377CF; color: #ffffff; font-weight: bold; padding: 10px 14px;\"\u003eFlue\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 6px 12px; padding: 8px 14px; background: #e3f3f1; color: #1f2d2b; font-size: 14px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold;\"\u003eParameter\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003e48 kW\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003e64 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eConcentric flue\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e80\/125 mm\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e80\/125 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eConnection size (B23p)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e80 mm\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e80 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eMaximum horizontal flue length\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e18 m (includes 1 × 87° elbow)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e15 m (includes 1 × 87° elbow)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eMaximum vertical flue length\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e21 m\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e18 m\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eFlue classifications (GB)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eC13, C33, C43, C53, C93, B23, B23p, B53, B53p\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eC13, C33, C43, C53, C93, B23, B23p, B53, B53p\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eFlue mass flow (Qmax, NG)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e20.3 g\/s\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e27.0 g\/s\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eFlue gas temperature, min \/ max\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e40 \/ 78°C\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e40 \/ 78°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eFan pressure (B23p, single boiler)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e125 Pa\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e187 Pa\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eMaximum flue resistance in cascade\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e50 Pa\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e50 Pa\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; overflow: hidden; margin: 0 0 18px 0;\"\u003e\n\u003cdiv style=\"background: #008377CF; color: #ffffff; font-weight: bold; padding: 10px 14px;\"\u003eElectrical and Siting\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 6px 12px; padding: 8px 14px; background: #e3f3f1; color: #1f2d2b; font-size: 14px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold;\"\u003eParameter\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003e48 kW\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; font-weight: bold;\"\u003e64 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eSupply\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e230 V \/ 50 Hz \/ 3 A\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e230 V \/ 50 Hz \/ 3 A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eMaximum power consumption\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e162 W\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e250 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eStandby power consumption\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e2 W\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e2 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #f1f8f7; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eIP rating\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eIPX4D\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003eIPX4D\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 9px 14px; background: #ffffff; font-size: 15px;\"\u003e\n\u003cdiv style=\"flex: 2 1 200px; font-weight: bold; color: #1f2d2b;\"\u003eClearances\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e5 mm each side; 500 mm in front for servicing\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 110px; color: #1f2d2b;\"\u003e5 mm each side; 500 mm in front for servicing\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: #008377cf; font-size: 21px; font-weight: bold; margin: 30px 0 12px 0; padding-bottom: 6px; border-bottom: 3px solid #008377CF;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails style=\"border: 1px solid #008377CF; border-radius: 8px; margin: 0 0 10px 0; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; font-weight: bold; padding: 12px 16px; cursor: pointer;\"\u003eIs this a system boiler, and does it supply hot water?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 18px; color: #1f2d2b; line-height: 1.65; background: #ffffff;\"\u003eIt is a \u003cstrong\u003eheating-only system boiler\u003c\/strong\u003e with the pump and air separator built in. Hot water comes from a separate \u003cstrong\u003ehot water cylinder\u003c\/strong\u003e. The expansion vessel is \u003cstrong\u003enot supplied\u003c\/strong\u003e, so allow for one sized to the system volume.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #008377CF; border-radius: 8px; margin: 0 0 10px 0; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; font-weight: bold; padding: 12px 16px; cursor: pointer;\"\u003eWhat flue does it use and how long can it be?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 18px; color: #1f2d2b; line-height: 1.65; background: #ffffff;\"\u003eBoth models take an \u003cstrong\u003e80\/125 mm concentric flue\u003c\/strong\u003e. Maximum length is \u003cstrong\u003e18 m horizontal and 21 m vertical\u003c\/strong\u003e for the 48 kW, and \u003cstrong\u003e15 m horizontal and 18 m vertical\u003c\/strong\u003e for the 64 kW. Lengths reduce by \u003cstrong\u003e2.5 m for each additional 87° elbow\u003c\/strong\u003e and \u003cstrong\u003e1.0 m for each 45° elbow\u003c\/strong\u003e. Use Vaillant's own flue components to keep the certification valid.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #008377CF; border-radius: 8px; margin: 0 0 10px 0; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; font-weight: bold; padding: 12px 16px; cursor: pointer;\"\u003eCan I install more than one in cascade?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 18px; color: #1f2d2b; line-height: 1.65; background: #ffffff;\"\u003eYes. Cascade them on a wall or on a Vaillant rig set. Every boiler in a cascade needs a \u003cstrong\u003eflue gas non-return valve\u003c\/strong\u003e (80\/80 mm for third-party flues, or an 80\/110 mm adapter valve for Vaillant cascade flues). Where the total net output exceeds \u003cstrong\u003e70 kW\u003c\/strong\u003e, a \u003cstrong\u003eplate heat exchanger\u003c\/strong\u003e must be fitted and the flue designed to IGEM\/UP\/10 and BS 6644.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #008377CF; border-radius: 8px; margin: 0 0 10px 0; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; font-weight: bold; padding: 12px 16px; cursor: pointer;\"\u003eCan I use a low-loss header?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 18px; color: #1f2d2b; line-height: 1.65; background: #ffffff;\"\u003eVaillant offers the \u003cstrong\u003eWH40, WH40\/2 and WH95\u003c\/strong\u003e low-loss headers for these boilers. They are suitable only for \u003cstrong\u003enew, clean systems up to 70 kW net input\u003c\/strong\u003e with correctly inhibited water, and a dirt filter in the return is highly recommended. Where system cleanliness cannot be guaranteed, use a plate heat exchanger instead.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #008377CF; border-radius: 8px; margin: 0 0 10px 0; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; font-weight: bold; padding: 12px 16px; cursor: pointer;\"\u003eCan it run on LPG?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 18px; color: #1f2d2b; line-height: 1.65; background: #ffffff;\"\u003eYes, both boilers are approved for \u003cstrong\u003eLPG (G31 at 37 mbar)\u003c\/strong\u003e. Vaillant's literature differs on whether a conversion kit is needed, so confirm the current requirement with Vaillant before ordering for an off-gas site.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #008377CF; border-radius: 8px; margin: 0 0 10px 0; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; font-weight: bold; padding: 12px 16px; cursor: pointer;\"\u003eWhat guarantee does it have?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 18px; color: #1f2d2b; line-height: 1.65; background: #ffffff;\"\u003eA \u003cstrong\u003e5-year guarantee\u003c\/strong\u003e comes as standard, subject to conditions and registration within 30 days. A further \u003cstrong\u003e5 years\u003c\/strong\u003e can be purchased through Vaillant Advance, making 10 years in total. Vaillant rigs and accessories carry 2 years.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Vaillant","offers":[{"title":"48kW","offer_id":67627351605638,"sku":"10021520","price":3500.0,"currency_code":"GBP","in_stock":true},{"title":"64kW","offer_id":67627351638406,"sku":"10021521","price":4153.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/VaillantecoTECPlusCommercialSystemBoiler.jpg?v=1792045569","url":"https:\/\/qualityheating.co.uk\/products\/vaillant-ecotec-plus-48-64kw-commercial-system-boilers","provider":"AIZO Quality Heating","version":"1.0","type":"link"}