{"product_id":"baxi-800-system-2-gas-system-boiler-818-824-830-7814313-7814314-7814315","title":"Baxi 800 System 2 Gas System Boiler - 818 \/ 824 \/ 830 (7814313 \/ 7814314 \/ 7814315)","description":"\u003cdiv style=\"font-size: 16px; max-width: 900px; margin: 0 auto; font-family: Arial,Helvetica,sans-serif; color: #222; line-height: 1.6;\"\u003e\n\u003cp style=\"margin: 0 0 18px 0;\"\u003eThe \u003cstrong\u003eBaxi 800 System 2\u003c\/strong\u003e is a \u003cstrong\u003epremium wall-hung condensing gas system boiler\u003c\/strong\u003e offered in three outputs — \u003cstrong\u003e18 kW (818), 24 kW (824), and 30 kW (830)\u003c\/strong\u003e — giving every installer the right size for every job. Compared to the 600 series, the 800 System 2 steps up to a class-leading \u003cstrong\u003e10-year parts and labour warranty\u003c\/strong\u003e and includes a \u003cstrong\u003efactory-supplied Adey MagnaClean Micro2 magnetic system filter\u003c\/strong\u003e in the box, keeping sludge and magnetite out of the heat exchanger from day one. A \u003cstrong\u003estainless steel heat exchanger\u003c\/strong\u003e, \u003cstrong\u003ebrass hydraulic block\u003c\/strong\u003e, \u003cstrong\u003eErP A-rating\u003c\/strong\u003e, and \u003cstrong\u003e93% seasonal efficiency\u003c\/strong\u003e make this an outstanding choice for medium to large homes or any installation where the customer demands maximum peace of mind.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 24px 0;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 130px; background: #008377CF; color: #fff; border-radius: 6px; padding: 14px 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.1;\"\u003e93%\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; margin-top: 4px;\"\u003eSeasonal Efficiency\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 130px; background: #008377CF; color: #fff; border-radius: 6px; padding: 14px 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.1;\"\u003eErP A\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; margin-top: 4px;\"\u003eEnergy Rating\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 130px; background: #008377CF; color: #fff; border-radius: 6px; padding: 14px 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.1;\"\u003e10 Year\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; margin-top: 4px;\"\u003eParts \u0026amp; Labour Warranty\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 130px; background: #008377CF; color: #fff; border-radius: 6px; padding: 14px 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.1;\"\u003eAdey Micro2\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; margin-top: 4px;\"\u003eFilter Included\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 130px; background: #008377CF; color: #fff; border-radius: 6px; padding: 14px 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.1;\"\u003eH₂-Ready\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; margin-top: 4px;\"\u003eUp to 20% Hydrogen\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff5f5; border-left: 5px solid #cc0000; padding: 14px 18px; border-radius: 4px; margin: 0 0 14px 0;\"\u003e\n\u003cstrong style=\"color: #cc0000;\"\u003eGas Safe Registration Required\u003c\/strong\u003e — Installation, commissioning, and all maintenance work must be carried out by a \u003cstrong\u003eGas Safe registered engineer\u003c\/strong\u003e in accordance with Building Regulations and the Benchmark Commissioning Checklist.\u003c\/div\u003e\n\u003cdiv style=\"background: #e6f4f3; border-left: 5px solid #008377; padding: 14px 18px; border-radius: 4px; margin: 0 0 14px 0;\"\u003e\n\u003cstrong style=\"color: #005c54;\"\u003eSystem Boiler — Cylinder Required\u003c\/strong\u003e — The 800 System 2 works with a \u003cstrong\u003ecompatible unvented or vented hot water cylinder\u003c\/strong\u003e (such as Baxi cylinders or the Megaflo Eco range) to store and deliver mains-pressure hot water to multiple outlets at the same time.\u003c\/div\u003e\n\u003cdiv style=\"background: #fffbea; border-left: 5px solid #e6a817; padding: 14px 18px; border-radius: 4px; margin: 0 0 14px 0;\"\u003e\n\u003cstrong style=\"color: #b07d00;\"\u003eAdey Micro2 Filter Must Be Registered Together\u003c\/strong\u003e — For the \u003cstrong\u003e10-year warranty to remain valid\u003c\/strong\u003e, the included Adey MagnaClean Micro2 filter \u003cstrong\u003emust be installed and registered at the same time as the boiler\u003c\/strong\u003e. Registering either item separately will reduce the warranty period.\u003c\/div\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fill,minmax(260px,1fr)); gap: 16px; margin: 0 0 28px 0;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; border-bottom: 2px solid #008377; padding-bottom: 6px; margin-bottom: 10px;\"\u003e10-Year Parts \u0026amp; Labour Warranty\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 15px;\"\u003eThe \u003cstrong\u003e10-year parts and labour warranty\u003c\/strong\u003e — compared to 7 years on the 600 series — makes the 800 System 2 the recommended choice whenever the customer prioritises long-term protection. Register at baxi.co.uk\/registration within \u003cstrong\u003e30 days of installation\u003c\/strong\u003e and ensure annual servicing to keep the warranty fully valid.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; border-bottom: 2px solid #008377; padding-bottom: 6px; margin-bottom: 10px;\"\u003eAdey MagnaClean Micro2 Filter Included\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 15px;\"\u003eEvery 800 System 2 ships with a \u003cstrong\u003ecompact Adey MagnaClean Micro2 magnetic system filter\u003c\/strong\u003e in the box. This protects the boiler and heating circuit from magnetic and non-magnetic debris from the outset, reducing breakdowns and maintaining heat exchanger efficiency over the boiler's life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; border-bottom: 2px solid #008377; padding-bottom: 6px; margin-bottom: 10px;\"\u003eStainless Steel Heat Exchanger \u0026amp; Brass Hydraulics\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 15px;\"\u003eA \u003cstrong\u003estainless steel heat exchanger\u003c\/strong\u003e paired with a \u003cstrong\u003erobust brass hydraulic block\u003c\/strong\u003e provides excellent corrosion resistance and long-term structural integrity — two of the key factors behind the extended 10-year warranty commitment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; border-bottom: 2px solid #008377; padding-bottom: 6px; margin-bottom: 10px;\"\u003e93% Seasonal Efficiency — ErP A-Rated\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 15px;\"\u003eAll three models achieve \u003cstrong\u003e93% seasonal efficiency\u003c\/strong\u003e with an \u003cstrong\u003eErP A-rating for central heating\u003c\/strong\u003e, helping to keep annual gas bills meaningfully below those of older non-condensing boilers while meeting current Building Regulations energy efficiency requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; border-bottom: 2px solid #008377; padding-bottom: 6px; margin-bottom: 10px;\"\u003ePre-Heated Siphonic Condensate Trap\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 15px;\"\u003eThe \u003cstrong\u003epre-heated siphonic condensate trap\u003c\/strong\u003e warms and discharges condensate in one go rather than a slow trickle, dramatically reducing the risk of frozen condensate pipes during cold weather and the associated boiler shutdowns and engineer callouts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; border-bottom: 2px solid #008377; padding-bottom: 6px; margin-bottom: 10px;\"\u003eNatural Gas \u0026amp; LPG — No Conversion Kit Required\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 15px;\"\u003eAll three models can be \u003cstrong\u003emanually converted between natural gas (G20) and LPG (G31)\u003c\/strong\u003e by a Gas Safe engineer without purchasing an additional accessory kit, making the 800 System 2 suitable for off-grid properties as well as mains gas installations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; border-bottom: 2px solid #008377; padding-bottom: 6px; margin-bottom: 10px;\"\u003eSmart Control Ready — OpenTherm \u0026amp; uSense\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 15px;\"\u003eCertified \u003cstrong\u003eOpenTherm modulating control\u003c\/strong\u003e allows the boiler to communicate continuously with compatible thermostats (including Nest and Hive) to vary output rather than switching on and off. The optional \u003cstrong\u003eBaxi uSense Wi-Fi thermostat\u003c\/strong\u003e adds full smartphone and tablet scheduling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; border-bottom: 2px solid #008377; padding-bottom: 6px; margin-bottom: 10px;\"\u003eEasyFill Permanent Filling Link\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 15px;\"\u003eThe built-in \u003cstrong\u003eEasyFill permanent filling link\u003c\/strong\u003e enables homeowners to top up system pressure without a temporary hose or engineer visit, reducing unnecessary callouts and keeping the heating system operating at correct pressure between annual services.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; border-bottom: 2px solid #008377; padding-bottom: 6px; margin-bottom: 10px;\"\u003eCompact \u0026amp; Cupboard-Fit Design\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 15px;\"\u003eDespite the premium specification, the 800 System 2 measures just \u003cstrong\u003e700 mm H × 344 mm W × 285 mm D\u003c\/strong\u003e and fits comfortably inside a standard 290 mm-deep kitchen or utility cupboard, with all pipework neatly routed behind a \u003cstrong\u003ebuilt-in stand-off frame\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; border-bottom: 2px solid #008377; padding-bottom: 6px; margin-bottom: 10px;\"\u003eCertified for up to 20% Hydrogen Blend\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 15px;\"\u003eThe 800 System 2 is \u003cstrong\u003ecertified to operate on natural gas blended with up to 20% hydrogen (H₂)\u003c\/strong\u003e, future-proofing the installation against planned UK grid decarbonisation changes without requiring any hardware changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; font-weight: bold; padding: 12px 16px; border-radius: 6px 6px 0 0; font-size: 15px; margin-top: 8px;\"\u003eTechnical Specifications\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 28px; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #005c54; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; width: 36%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: center;\"\u003e818 System 2\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: center;\"\u003e824 System 2\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: center;\"\u003e830 System 2\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eBaxi Part Number (MPN)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e7814313\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e7814314\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e7814315\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eHeat Output (kW)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e18 kW\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e24 kW\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e30 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eBoiler Type\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e\u003cspan style=\"font-size: 13px;\"\u003eWall-hung condensing gas system boiler\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eSeasonal Efficiency\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e93%\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e93%\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e93%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eErP Energy Rating\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eA\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eA\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eHeat Exchanger\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eStainless steel\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eStainless steel\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eHydraulic Block\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eBrass\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eBrass\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eGas Type\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eNG (G20) \/ LPG (G31)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eNG (G20) \/ LPG (G31)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eNG (G20) \/ LPG (G31)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eHydrogen Compatibility\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eUp to 20% H₂\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eUp to 20% H₂\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eUp to 20% H₂\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eCH Flow Temp Range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e25–80 °C\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e25–80 °C\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e25–80 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eMax System Pressure\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e3 bar\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e3 bar\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e3 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eElectrical Supply\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e230 V \/ 50 Hz\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e230 V \/ 50 Hz\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e230 V \/ 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eDimensions (H × W × D)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e700 × 344 × 285 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e700 × 344 × 285 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e700 × 344 × 285 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eNoise Level\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e49 dB\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e52 dB\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eIncluded Filter\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eAdey Micro2\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eAdey Micro2\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eAdey Micro2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eControls Compatibility\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eOpenTherm; Baxi uSense (optional)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eOpenTherm; Baxi uSense (optional)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eOpenTherm; Baxi uSense (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eCylinder Compatibility\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eBaxi cylinders; Megaflo Eco\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eBaxi cylinders; Megaflo Eco\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003eBaxi cylinders; Megaflo Eco\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e10 years P\u0026amp;L (Adey filter must be registered simultaneously)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e10 years P\u0026amp;L (Adey filter must be registered simultaneously)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; text-align: center;\"\u003e10 years P\u0026amp;L (Adey filter must be registered simultaneously)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; font-weight: bold; padding: 12px 16px; border-radius: 6px 6px 0 0; font-size: 15px; margin-top: 8px;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #c8e6e3; border-top: none; border-radius: 0 0 6px 6px; overflow: hidden; margin-bottom: 28px;\"\u003e\n\u003cdetails style=\"border-bottom: 1px solid #c8e6e3;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; padding: 12px 16px; cursor: pointer; font-weight: 600; list-style: none;\"\u003eWhat is the difference between the 818, 824, and 830 System 2?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 16px; font-size: 15px; background: #fff;\"\u003eThe sole functional difference between the three models is their \u003cstrong\u003emaximum heat output\u003c\/strong\u003e: 818 delivers \u003cstrong\u003e18 kW\u003c\/strong\u003e, the 824 delivers \u003cstrong\u003e24 kW\u003c\/strong\u003e, and the 830 delivers \u003cstrong\u003e30 kW\u003c\/strong\u003e. All three share identical warranty terms (10 years), the Adey Micro2 filter, stainless steel heat exchanger, ErP A-rating, and dimensions. Your Gas Safe installer can carry out a heat loss calculation to confirm the correct output for your home.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border-bottom: 1px solid #c8e6e3;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; padding: 12px 16px; cursor: pointer; font-weight: 600; list-style: none;\"\u003eHow does the 800 System 2 differ from the 600 System 2?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 16px; font-size: 15px; background: #fff;\"\u003eThe 800 System 2 extends the warranty from \u003cstrong\u003e7 years to 10 years\u003c\/strong\u003e and adds the \u003cstrong\u003eAdey MagnaClean Micro2 magnetic filter\u003c\/strong\u003e as standard in the box. Both ranges share the same ErP A-rating, 93% efficiency, stainless steel heat exchanger, and LPG convertibility. The 800 range is the preferred specification where the customer needs maximum long-term protection and where the system water quality benefit of a factory-included filter is a priority.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border-bottom: 1px solid #c8e6e3;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; padding: 12px 16px; cursor: pointer; font-weight: 600; list-style: none;\"\u003eDoes the Baxi 800 System 2 need a hot water cylinder?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 16px; font-size: 15px; background: #fff;\"\u003eYes. As a \u003cstrong\u003esystem boiler\u003c\/strong\u003e, the 800 System 2 heats your central heating circuit directly but requires a separate \u003cstrong\u003eunvented or vented hot water cylinder\u003c\/strong\u003e to store and deliver domestic hot water at mains pressure. It is compatible with Baxi cylinders and the Megaflo Eco range, allowing \u003cstrong\u003esimultaneous hot water delivery to multiple bathrooms\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border-bottom: 1px solid #c8e6e3;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; padding: 12px 16px; cursor: pointer; font-weight: 600; list-style: none;\"\u003eWhy must the Adey Micro2 filter be registered at the same time as the boiler?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 16px; font-size: 15px; background: #fff;\"\u003eBaxi's 10-year warranty terms require the \u003cstrong\u003eAdey MagnaClean Micro2 system filter and the boiler to be installed and registered together\u003c\/strong\u003e at baxi.co.uk\/registration within 30 days of installation. Registering either item separately, or failing to install the filter at all, will reduce the warranty to a shorter period. The filter must also remain in place and be serviced annually to maintain full warranty coverage.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; padding: 12px 16px; cursor: pointer; font-weight: 600; list-style: none;\"\u003eCan the Baxi 800 System 2 be converted to LPG?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 16px; font-size: 15px; background: #fff;\"\u003eYes. All three models can be \u003cstrong\u003emanually converted between natural gas (G20) and LPG (G31)\u003c\/strong\u003e by a Gas Safe registered engineer without purchasing a separate conversion kit. This makes the 800 System 2 a cost-effective option for properties not connected to the mains gas grid.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Baxi","offers":[{"title":"18kW","offer_id":64693370880349,"sku":"7814313","price":1495.0,"currency_code":"GBP","in_stock":true},{"title":"24kW","offer_id":64693370913117,"sku":"7814314","price":1595.0,"currency_code":"GBP","in_stock":true},{"title":"30kW","offer_id":64693370945885,"sku":"7814315","price":1795.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/Baxi800System2GasSystemBoiler-818_824_830_7814313_7814314_7814315.png?v=1783690560","url":"https:\/\/qualityheating.co.uk\/products\/baxi-800-system-2-gas-system-boiler-818-824-830-7814313-7814314-7814315","provider":"AIZO Quality Heating","version":"1.0","type":"link"}