Baxi 636 LPG Combi Boiler (808KJ)

Must be installed by a Qualified Gas Safe Registered professional. Due to the weight of this item, it may require assistance on delivery. We are unable to ship to Northern Ireland and offshore addresses. We cannot accept the return of unwanted boilers if the box/packaging has been opened (your statutory rights are not affected).

British-built, compact and lightweight. Small enough to fit into a 300mm deep cupboard. Tough brass hydraulics and OpenTherm interface which allows the boiler to be controlled via an app by using a smartphone or tablet. Built-in stand-off frame saves time, space and money by piping behind within the footprint of the boiler without the need for an additional accessory. Easy-fill filling link features a single spring-loaded lever, enabling homeowners to top-up the system quickly and easily without the need for an installer. Suitable for homes that do not have mains gas.

  • Max. Domestic Hot Water Output: 36kW
  • Max. Central Heating Output: 25kW
  • Stainless Steel Heat Exchanger
  • Top Flue Outlet
  • Not Compatible with Solar Panels
  • 7 Year Manufacturer’s Guarantee (Registration Required, T&Cs Apply)
  • 122,832BTU
  • LED Display
More Info

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£1325.00Inc Vat

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BTU122,832 BTU
Boiler Depth285 mm
Boiler Height700 mm
Boiler TypeCombi
Boiler Width390 mm
CALC - Fuel TypeLPG
Compatible with Solar PanelsNot Compatible with Solar Panels
Display TypeLED Display
Energy Rating (Heating)A
Energy Rating (Water)A
Filling Loop SuppliedIncorporated Filling Valve
Fitting RequirementsMust be Fitted by a Qualified Installer
Fixing Jig SuppliedFixing Jig Supplied
Flow Rate (Ltr/Min)15 Ltr/min
Flue Connection Diameter60 / 100 mm
Flue Outlet PositionTop Flue Outlet
Flue SuppliedFlue Not Supplied
Frost ProtectionFrost Protection
Fuel TypeLPG
Indoor/Outdoor UsageIndoor
Manufacturer Guarantee7 Year Manufacturer’s Guarantee (Registration Required, T&Cs Apply)
Max. Heat Output CH (Pn)25 kW
Max. Heat Output DHW (Pn)36 kW
Model Name/No636
Pack Size1
Parent ColourWhite
Pieces in Pack/Case1
Product Returns NoteWe cannot accept the return of unwanted boilers if the box/packaging has been opened (your statutory rights are not affected).
Product TypeBoiler
Range Name600
SAP Seasonal Efficiency93 %
Sound Pressure Level51 dB
Suitable for Underfloor HeatingSuitable for Underfloor Heating
Supplier Manufacturer Helpline0330 678 0917
Temperature Range (Heating)25-80 °C
Temperature Range (Water)35-60 °C
Total Product Weight30.5 kg

Product Contents

Combi boiler, wall-mounted bracket, easy-fill permanent filling link, copper pipe tails and fittings pack.

Delivered direct from our suppliers in the number of working days stated on the delivery button

Direct from our supplier delivery restrictions

Geographic restrictions apply, check your postcode below to see if any apply to you. For some locations delivery may take longer than the specified delivery time, and we can not currently offer delivery to offshore addresses.

Please ensure we have your mobile phone number when you order so we can keep you updated with deliveries.


Please note - If you wish to return this item you will need to call us on our freephone number 03330 112 112 to arrange a free collection.


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