{"product_id":"vaillant-ecotec-plus-840-40kw-combi-boiler-10036018-gas","title":"Vaillant ecoTEC Plus 840 40kW Combi Boiler | 10036018 | Gas","description":"\u003c!-- SEO Product Name: Vaillant ecoTEC Plus 840 40kW Combi Boiler | 10036018 | Gas --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; margin:0 auto; font-family:Arial, Helvetica, sans-serif; color:#222222; line-height:1.6;\"\u003e\n\u003cp style=\"margin:0 0 14px 0; line-height:1.65; color:#222222;\"\u003eThe \u003cstrong\u003eVaillant ecoTEC plus 840\u003c\/strong\u003e (MPN \u003cstrong\u003e10036018\u003c\/strong\u003e, model \u003cstrong\u003eVUW 30\/40CS\/1-5 (N-GB)\u003c\/strong\u003e) is a \u003cstrong\u003ewall-hung condensing combination boiler\u003c\/strong\u003e and the highest-output model in the ecoTEC plus 826, 832, 836 and 840 series. It delivers \u003cstrong\u003einstantaneous domestic hot water at 16.3 L\/min with a 35 K temperature rise\u003c\/strong\u003e (19.0 L\/min at 30 K to EN 13203-1) and a \u003cstrong\u003ecentral heating output of 4.5 to 29.8 kW at 80\/60 °C\u003c\/strong\u003e, making it a strong choice for properties with high simultaneous hot water demand.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px 0; line-height:1.65; color:#222222;\"\u003eHand-built in Vaillant's Derbyshire plant, it is \u003cstrong\u003esmart home ready\u003c\/strong\u003e through the \u003cstrong\u003emyVAILLANT connect gateway\u003c\/strong\u003e and Vaillant eBUS controls, and uses \u003cstrong\u003eIoniDETECT intelligent combustion monitoring\u003c\/strong\u003e with \u003cstrong\u003eadaptive combustion regulation\u003c\/strong\u003e. It is a \u003cstrong\u003enatural gas (G20) only\u003c\/strong\u003e, \u003cstrong\u003eroom-sealed (C13, C33, C43, C53)\u003c\/strong\u003e appliance with a \u003cstrong\u003e60\/100 mm concentric flue connection\u003c\/strong\u003e, a \u003cstrong\u003e10 litre integral expansion vessel\u003c\/strong\u003e and a \u003cstrong\u003ebuilt-in installation assistant\u003c\/strong\u003e to speed up commissioning. Supplied as \u003cstrong\u003eboiler only\u003c\/strong\u003e: the flue is ordered separately.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:10px; margin:22px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; background:#E6F3F2; border-top:4px solid #008377CF; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:24px; font-weight:800; color:#008377CF; line-height:1.2;\"\u003e40.8 kW\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#222222; margin-top:6px; line-height:1.35;\"\u003eMax. DHW heat input (Hi)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; background:#E6F3F2; border-top:4px solid #008377CF; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:24px; font-weight:800; color:#008377CF; line-height:1.2;\"\u003e16.3 L\/min\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#222222; margin-top:6px; line-height:1.35;\"\u003eHot water at 35 K rise\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; background:#E6F3F2; border-top:4px solid #008377CF; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:24px; font-weight:800; color:#008377CF; line-height:1.2;\"\u003e109.2%\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#222222; margin-top:6px; line-height:1.35;\"\u003eEfficiency at 30% load (G20)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; background:#E6F3F2; border-top:4px solid #008377CF; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:24px; font-weight:800; color:#008377CF; line-height:1.2;\"\u003eNOx 6\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#222222; margin-top:6px; line-height:1.35;\"\u003e26.3 mg\/kWh weighted\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; background:#E6F3F2; border-top:4px solid #008377CF; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:24px; font-weight:800; color:#008377CF; line-height:1.2;\"\u003e720×440×386\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#222222; margin-top:6px; line-height:1.35;\"\u003eHeight × width × depth (mm)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; background:#E6F3F2; border-top:4px solid #008377CF; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:24px; font-weight:800; color:#008377CF; line-height:1.2;\"\u003eUp to 10 yrs\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#222222; margin-top:6px; line-height:1.35;\"\u003eGuarantee via Vaillant Advance installer*\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:16px 0; padding:14px 18px; background:#FDECEA; border-left:6px solid #C0392B; color:#222222; line-height:1.6;\"\u003e\n\u003cdiv style=\"font-weight:800; color:#C0392B; margin-bottom:4px;\"\u003eSafety and regulatory\u003c\/div\u003eInstallation, commissioning and servicing must be carried out by a \u003cstrong\u003eGas Safe registered engineer\u003c\/strong\u003e in line with the manufacturer's instructions and \u003cstrong\u003eBS 6891\u003c\/strong\u003e. The \u003cstrong\u003eBenchmark Commissioning Checklist\u003c\/strong\u003e must be completed to validate the guarantee. Electrical work must comply with \u003cstrong\u003eBS 7671\u003c\/strong\u003e; in a bathroom the boiler must be fitted in \u003cstrong\u003ezone 2 or 3\u003c\/strong\u003e only, with a fixed connection and a double pole isolator (contact gap of at least 3 mm).\u003c\/div\u003e\n\u003cdiv style=\"margin:16px 0; padding:14px 18px; background:#FFF4E0; border-left:6px solid #E08A00; color:#222222; line-height:1.6;\"\u003e\n\u003cdiv style=\"font-weight:800; color:#E08A00; margin-bottom:4px;\"\u003eBoiler only: flue not included\u003c\/div\u003eThe \u003cstrong\u003eair\/flue system is not in the box\u003c\/strong\u003e. Order a Vaillant 60\/100 mm (or 80\/125 mm) concentric flue kit and any required terminal guard separately. Only original Vaillant air\/flue components are system-certified for this boiler, and a terminal protection kit is required where the terminal is less than 2.0 m from the ground.\u003c\/div\u003e\n\u003cdiv style=\"margin:16px 0; padding:14px 18px; background:#FFF4E0; border-left:6px solid #E08A00; color:#222222; line-height:1.6;\"\u003e\n\u003cdiv style=\"font-weight:800; color:#E08A00; margin-bottom:4px;\"\u003eNatural gas only and sizing note\u003c\/div\u003eThe ecoTEC plus 840 is category \u003cstrong\u003eI2H (natural gas)\u003c\/strong\u003e and is \u003cstrong\u003enot on the manufacturer's LPG conversion list\u003c\/strong\u003e. The 40 kW rating relates to \u003cstrong\u003ehot water\u003c\/strong\u003e: the maximum \u003cstrong\u003eheating\u003c\/strong\u003e output is \u003cstrong\u003e29.8 kW at 80\/60 °C\u003c\/strong\u003e (32.3 kW at 50\/30 °C). It is not approved for use with directly connected wall-hung hot water cylinders, multiple-flue configurations or cascades.\u003c\/div\u003e\n\u003cdiv style=\"margin:16px 0; padding:14px 18px; background:#E6F3F2; border-left:6px solid #008377CF; color:#222222; line-height:1.6;\"\u003e\n\u003cdiv style=\"font-weight:800; color:#008377CF; margin-bottom:4px;\"\u003eSystem preparation\u003c\/div\u003eFlush the heating system thoroughly and treat the water (target \u003cstrong\u003epH 8.2 to 10.0\u003c\/strong\u003e) before fitting. The manufacturer's commissioning checklist includes a \u003cstrong\u003esystem filter\u003c\/strong\u003e and mains water treatment for combi boilers. A \u003cstrong\u003emanual filling device with double check valve\u003c\/strong\u003e is supplied.\u003c\/div\u003e\n\u003ch3 style=\"margin:32px 0 14px 0; padding:0 0 8px 0; font-size:22px; font-weight:700; color:#008377CF; border-bottom:3px solid #008377CF;\"\u003eKey features\u003c\/h3\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:14px; margin:18px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:260px; border:1px solid #008377CF; border-top:5px solid #008377CF; padding:16px 16px 12px 16px; background:#FFFFFF;\"\u003e\n\u003cdiv style=\"font-size:17px; font-weight:800; color:#008377CF; margin-bottom:8px;\"\u003eInstant hot water, 40 kW class\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6; color:#222222; font-size:15px;\"\u003eUp to \u003cstrong\u003e19.0 L\/min at 30 K rise\u003c\/strong\u003e and \u003cstrong\u003e16.3 L\/min at 35 K rise\u003c\/strong\u003e, with a \u003cstrong\u003e2.0 L\/min start-up flow rate\u003c\/strong\u003e, \u003cstrong\u003e35 to 65 °C\u003c\/strong\u003e hot water temperature range and a \u003cstrong\u003e14.0 L\/min flow rate limiter\u003c\/strong\u003e. Requires only \u003cstrong\u003e0.7 bar\u003c\/strong\u003e mains pressure.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:260px; border:1px solid #008377CF; border-top:5px solid #008377CF; padding:16px 16px 12px 16px; background:#FFFFFF;\"\u003e\n\u003cdiv style=\"font-size:17px; font-weight:800; color:#008377CF; margin-bottom:8px;\"\u003eIoniDETECT combustion monitoring\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6; color:#222222; font-size:15px;\"\u003e\n\u003cstrong\u003eIntelligent gas combustion monitoring\u003c\/strong\u003e with \u003cstrong\u003eadaptive combustion regulation\u003c\/strong\u003e, so the gas-air ratio does not need adjusting within a gas family. Combustion is verified by an \u003cstrong\u003eO₂ check\u003c\/strong\u003e in chimney sweep mode.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:260px; border:1px solid #008377CF; border-top:5px solid #008377CF; padding:16px 16px 12px 16px; background:#FFFFFF;\"\u003e\n\u003cdiv style=\"font-size:17px; font-weight:800; color:#008377CF; margin-bottom:8px;\"\u003eSmart home ready\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6; color:#222222; font-size:15px;\"\u003eConnects to the \u003cstrong\u003emyVAILLANT connect gateway (VR 940f)\u003c\/strong\u003e through a dedicated interface for app control. Works with \u003cstrong\u003eVaillant eBUS controls\u003c\/strong\u003e, \u003cstrong\u003eweather-compensated controls\u003c\/strong\u003e, the \u003cstrong\u003esensoROOM pure (VRT 50\/2)\u003c\/strong\u003e, and \u003cstrong\u003e230 V or 24 V third-party room thermostats\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:260px; border:1px solid #008377CF; border-top:5px solid #008377CF; padding:16px 16px 12px 16px; background:#FFFFFF;\"\u003e\n\u003cdiv style=\"font-size:17px; font-weight:800; color:#008377CF; margin-bottom:8px;\"\u003eFast, guided commissioning\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6; color:#222222; font-size:15px;\"\u003eA \u003cstrong\u003ebuilt-in installation assistant\u003c\/strong\u003e walks the installer through filling, hydraulic mode, gas group and flue type. \u003cstrong\u003eCheck programmes\u003c\/strong\u003e, an \u003cstrong\u003eactuator test\u003c\/strong\u003e and a \u003cstrong\u003e15 minute chimney sweep mode\u003c\/strong\u003e are included, alongside the Benchmark checklist.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:260px; border:1px solid #008377CF; border-top:5px solid #008377CF; padding:16px 16px 12px 16px; background:#FFFFFF;\"\u003e\n\u003cdiv style=\"font-size:17px; font-weight:800; color:#008377CF; margin-bottom:8px;\"\u003eCompact wall-hung design\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6; color:#222222; font-size:15px;\"\u003e\n\u003cstrong\u003e720 × 440 × 386 mm\u003c\/strong\u003e with just \u003cstrong\u003e5 mm side clearance\u003c\/strong\u003e. \u003cstrong\u003eCompartment ventilation is not required\u003c\/strong\u003e with a concentric flue. Supplied with \u003cstrong\u003e20 mm heating, 15 mm gas and 15 mm cold water\u003c\/strong\u003e connection pipes and a \u003cstrong\u003emounting template\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:260px; border:1px solid #008377CF; border-top:5px solid #008377CF; padding:16px 16px 12px 16px; background:#FFFFFF;\"\u003e\n\u003cdiv style=\"font-size:17px; font-weight:800; color:#008377CF; margin-bottom:8px;\"\u003eBuilt-in protection\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6; color:#222222; font-size:15px;\"\u003e\n\u003cstrong\u003eFrost protection\u003c\/strong\u003e, \u003cstrong\u003eoverheating safety\u003c\/strong\u003e, a \u003cstrong\u003econdensate blockage shut-off\u003c\/strong\u003e and a \u003cstrong\u003e10 litre expansion vessel\u003c\/strong\u003e are built in. Rated \u003cstrong\u003eIPX5D\u003c\/strong\u003e with a \u003cstrong\u003estainless steel\u003c\/strong\u003e heat exchanger design (the \"S\" in the model code) and \u003cstrong\u003eNOx Class 6\u003c\/strong\u003e emissions.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:32px 0 14px 0; padding:0 0 8px 0; font-size:22px; font-weight:700; color:#008377CF; border-bottom:3px solid #008377CF;\"\u003eTechnical specification\u003c\/h3\u003e\n\u003cdiv style=\"border:1px solid #008377CF; margin:18px 0;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:800; padding:10px 14px; font-size:16px;\"\u003eIdentification\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eBrand \/ range\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eVaillant ecoTEC plus\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eModel\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eecoTEC plus 840 (VUW 30\/40CS\/1-5 (N-GB))\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eMPN \/ article number\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e10036018 (article number 0010036018)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eGas Council number\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e47-044-95\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eBoiler type\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eWall-hung condensing combination boiler\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eFuel \/ gas category\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eNatural gas G20 at 20 mbar \/ I2H\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eApproved flue types\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eC13, C33, C43, C53 (room-sealed only)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eCE \/ UKCA PIN\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e0063CU3910\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:800; padding:10px 14px; font-size:16px;\"\u003eCentral heating performance (G20)\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eHeat output at 80\/60 °C\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e4.5 to 29.8 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eHeat output at 60\/40 °C\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e4.8 to 31.2 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eHeat output at 50\/30 °C\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e5.0 to 32.3 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eHeat output at 40\/30 °C\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e5.2 to 32.9 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eHeat input range (Hi)\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e4.8 to 30.6 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eEfficiency at 30% load\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e109.2%\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eNOx emission \/ class\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e26.30 mg\/kWh \/ Class 6\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eFlow temperature\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e30 to 80 °C adjustable (factory 75 °C), max. 85 °C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eMax. operating pressure (heating)\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e2.5 bar\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eCirculation volume at 20 K, 80\/60 °C\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e1,318 l\/h\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eRemaining pump head\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e0.25 bar at nominal circulation\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eCondensate rate at 50\/30 °C\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eApprox. 3.1 l\/h (pH 3.5 to 4.0)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:800; padding:10px 14px; font-size:16px;\"\u003eDomestic hot water\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eMax. DHW heat input\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e40.8 kW (Hi) \/ 45.3 kW (Hs)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eSpecific flow rate D (30 K, EN 13203-1)\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e19.0 l\/min\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eFlow rate at 35 K rise\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e16.3 l\/min\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eStart-up flow rate\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e2.0 l\/min\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eFlow rate limiter\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e14.0 l\/min\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eHot water temperature range\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e35 to 65 °C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eRequired connection pressure\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e0.7 bar\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eMax. operating pressure (DHW)\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e9.5 bar\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:800; padding:10px 14px; font-size:16px;\"\u003eGas, flue and water connections\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eGas connection \/ max. gas flow (G20)\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e15 mm \/ 4.32 m³\/h\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003ePermissible gas flow pressure\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e13.0 to 23.0 mbar\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eHeating flow \/ return connections\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eG 3\/4 inch\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eDHW hot \/ cold connections\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eG 3\/4 inch\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eExpansion relief valve connection\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e15 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eCondensate discharge hose\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e19 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eAir\/flue connection\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e60\/100 mm (80\/125 mm via alternative connector)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eFlue gas temperature\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e35 to 85 °C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eExpansion vessel\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e10 l, 0.7 bar pre-charge\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:800; padding:10px 14px; font-size:16px;\"\u003eElectrical\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eSupply\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e230 V~, 50 Hz (190 to 253 V~ permitted)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eBuilt-in fuse \/ external fuse\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e4 A slow-blow \/ 3 A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eMax. power consumption\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e98.5 W heating, 134 W hot water\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eStandby consumption\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eUnder 2 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eIP rating\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eIPX5D\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:800; padding:10px 14px; font-size:16px;\"\u003eDimensions, weight and clearances\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eHeight × width × depth\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e720 × 440 × 386 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eWeight\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e40 kg empty, 44 kg packaged, 48 kg filled\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eWall fixing capacity\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eSuitable for 100 kg load-bearing\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eMinimum clearances\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e5 mm sides, 165 mm top (60\/100 flue), 180 mm below, 500 mm front\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eInstallation\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eIndoors only; frost-free location\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:800; padding:10px 14px; font-size:16px;\"\u003eSupplied in the box\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eBoiler and fixings\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eBoiler, unit mounting bracket and fixing material, mounting template\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eGas and water\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eGas isolation valve, 15 mm gas pipe, DHW connection pipe, 15 mm cold water pipe, 3 service valves\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eHeating and drainage\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003e2 x 20 mm heating flow\/return pipes, condensate discharge hose, expansion relief valve drain pipe and fitting\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eExtras\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eManual filling device with double check valve, small parts bags, documentation\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F4F9F9; border-bottom:1px solid #D5E5E3;\"\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; font-weight:700; color:#222222; font-size:15px;\"\u003eNot included\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px; padding:9px 14px; color:#222222; font-size:15px;\"\u003eAir\/flue system, controls, system filter\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:32px 0 14px 0; padding:0 0 8px 0; font-size:22px; font-weight:700; color:#008377CF; border-bottom:3px solid #008377CF;\"\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cdetails style=\"margin:10px 0; border:1px solid #008377CF;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; padding:12px 16px; cursor:pointer; font-weight:700; font-size:16px;\"\u003eIs the ecoTEC plus 840 supplied with a flue?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; line-height:1.65; color:#222222; background:#FFFFFF;\"\u003eNo. This listing is for the \u003cstrong\u003eboiler only\u003c\/strong\u003e. A compatible Vaillant concentric flue (\u003cstrong\u003e60\/100 mm\u003c\/strong\u003e or \u003cstrong\u003e80\/125 mm\u003c\/strong\u003e) and terminal must be ordered separately, and only original Vaillant air\/flue components should be used.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin:10px 0; border:1px solid #008377CF;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; padding:12px 16px; cursor:pointer; font-weight:700; font-size:16px;\"\u003eCan the 840 be converted to LPG?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; line-height:1.65; color:#222222; background:#FFFFFF;\"\u003eNo. The 840 is a \u003cstrong\u003enatural gas (I2H)\u003c\/strong\u003e appliance and is not on the manufacturer's LPG conversion list. LPG-convertible options exist in the 826, 832 and 836 models.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin:10px 0; border:1px solid #008377CF;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; padding:12px 16px; cursor:pointer; font-weight:700; font-size:16px;\"\u003eHow much hot water can it deliver?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; line-height:1.65; color:#222222; background:#FFFFFF;\"\u003eThe boiler provides \u003cstrong\u003e19.0 L\/min at a 30 K rise\u003c\/strong\u003e and \u003cstrong\u003e16.3 L\/min at a 35 K rise\u003c\/strong\u003e, with a \u003cstrong\u003e14.0 L\/min flow rate limiter\u003c\/strong\u003e and a \u003cstrong\u003e2.0 L\/min start-up flow\u003c\/strong\u003e. A minimum mains pressure of \u003cstrong\u003e0.7 bar\u003c\/strong\u003e is required.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin:10px 0; border:1px solid #008377CF;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; padding:12px 16px; cursor:pointer; font-weight:700; font-size:16px;\"\u003eWhich controls and smart features does it support?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; line-height:1.65; color:#222222; background:#FFFFFF;\"\u003eIt supports \u003cstrong\u003eVaillant eBUS controls\u003c\/strong\u003e, \u003cstrong\u003eweather-compensated controls\u003c\/strong\u003e, the \u003cstrong\u003esensoROOM pure (VRT 50\/2)\u003c\/strong\u003e and \u003cstrong\u003e230 V or 24 V room thermostats\u003c\/strong\u003e. App control is enabled with the \u003cstrong\u003emyVAILLANT connect gateway (VR 940f)\u003c\/strong\u003e, fitted through the boiler's dedicated interface.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin:10px 0; border:1px solid #008377CF;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; padding:12px 16px; cursor:pointer; font-weight:700; font-size:16px;\"\u003eWhat clearances and installation restrictions apply?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; line-height:1.65; color:#222222; background:#FFFFFF;\"\u003eAllow \u003cstrong\u003e5 mm each side, 165 mm above (60\/100 flue), 180 mm below and 500 mm in front\u003c\/strong\u003e for servicing. The boiler is \u003cstrong\u003eroom-sealed only\u003c\/strong\u003e, not suitable for outdoor installation, and needs a \u003cstrong\u003efrost-free\u003c\/strong\u003e location. In a room with a bath or shower it must be in \u003cstrong\u003ezone 2 or 3\u003c\/strong\u003e.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin:10px 0; border:1px solid #008377CF;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; padding:12px 16px; cursor:pointer; font-weight:700; font-size:16px;\"\u003eWhat guarantee applies and what is needed to keep it valid?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; line-height:1.65; color:#222222; background:#FFFFFF;\"\u003eVaillant states that a guarantee of \u003cstrong\u003eup to 10 years\u003c\/strong\u003e is available when installed by a \u003cstrong\u003eVaillant Advance installer\u003c\/strong\u003e (terms apply). The boiler must be \u003cstrong\u003eserviced annually\u003c\/strong\u003e by a competent person, commissioned with the \u003cstrong\u003eBenchmark checklist\u003c\/strong\u003e and registered with Vaillant.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":67582586749318,"sku":"10036018","price":2670.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/VaillantecoTECPlus832CombiBoiler.jpg?v=1764235167","url":"https:\/\/qualityheating.co.uk\/products\/vaillant-ecotec-plus-840-40kw-combi-boiler-10036018-gas","provider":"AIZO Quality Heating","version":"1.0","type":"link"}