Combi 800 and filter

Baxi 800 Combi

Our Baxi 800 comes with a 10 year warranty for total peace of mind.

  • Features
  • Dimensions
  • Comes with a 10 year warranty *
  • Fits in a 290mm deep cupboard
  • Has the option to be operated using a smart phone or tablet
  • Includes Adey Micro2 Magnetic System filter, providing industry leading system protection
  • Lightweight for an easier installation
  • Compatible with uSense

*Terms and Conditions apply.

BAxi 200 Combi
  • Boiler width = 390mm
  • Boiler height = 700mm
  • Boiler depth = 285mm
  • Side clearance = 5mm
  • Upper clearance = 178mm
  • Lower clearance = 200mm
  • Front clearance = 5mm in operation, 450mm for servicing
Combi 800 and filter

Installer Information

Technical Features

  • 25kW, 30kW and 36kW
  • Compact cupboard fit
  • Only 29.2kg lift weight
  • Includes Adey Micro2 Magnetic System filter
  • Brass hydraulics block
  • Built in stand off frame
  • Easy-fill permanent filling link makes it easier for householder to top up system
  • Optional uSense smart control
  • OpenTherm interface
  • IFOS compatible
  • Extensive flue options up to 20 metres
  • Simple hanging bracket

Dimensions

Baxi Megaflo System
  • Boiler width = 390mm (32 model 450mm)
  • Boiler height = 700mm (32 model 763mm)
  • Boiler depth = 285mm (32 model 345mm)
  • Side clearance = 5mm
  • Upper clearance = 178mm
  • Lower clearance = 200mm
  • Front clearance = 5mm in operation, 450mm for servicing

Technical Data Table

Baxi 825 Combi Baxi 830 combi Baxi 836 Combi
Sales Code Boiler Only 7732189 7731874 7731705
Controls and accessories
User adjustable DHW temperature Range - 30'C to 60'C Yes Yes Yes
User adjustable CH temperature Range - 25'C to 80'C Yes Yes Yes
Temp/status/fault diagnosis display LCD Display LCD Display LCD Display
uSense Wired (optional accessory) 7649277 Optional Optional Optional
Integral 24 hr Electro-mechanical timer (optional accessory) N/A N/A N/A
Wired 24 hr Electro-mechanical timer (optional accessory) 720971401 Optional Optional Optional
7 day RF Digital Programmable Room Thermostat (optional accessory) 720030501 Optional Optional Optional
Single Channel WiredProgrammable room Thermostat (optional accessory) 7212438 Optional Optional Optional
Single Channel Wired Timer (optional accessory) 7212444 Optional Optional Optional
Wired Room Thermostat (optional accessory) 720971601 Optional Optional Optional
Multifit Twin Channel Wired Programmer (optional accessory) 7212443 N/A N/A N/A
Multifit IFOS weather compensation (optional accessory) 7724181 Optional Optional Optional
Multifit IFOS Extension (optional accessory) 7724260 Optional Optional Optional
Multifit IFOS System (optional accessory) 7729979 N/A N/A N/A
Ridge Tile IFOS (optional accessory) 7729943 Optional Optional Optional
Baxi Easy-fill Permenant Filling Link 7665482 Yes Yes Yes
Gas
Natural gas Yes Yes Yes
Propane LPG N/A N/A N/A
Inlet supply pressure (natural gas) mbar (nominal) 20 20 20
Maximum Gas Rate (G20) Qmax m3/hr 2.71 3.26 3.81
N0x mg/kWh 31 31 39
N0x Class 6 6 6
Heat input CH kW (max) Gross (QnHs) 22.9 22.9 28.6
kW (min) Gross (QnHs) 6.9 6.9 7.4
Heat Output CH (non-condensing) kW (Max) (Pn) 20 20 25
kW (Min) (Pn) 6.1 6.1 6.7
Heat Output CH (condensing) kW (Max) (Pnc) 21.2 21.2 26.4
kW (Min) (Pnc) 6.7 6.7 6.7
Heat Input Domestic Hot Water (DHW) kW max gross (QnwHs) 28.6 34.3 40.8
Heat Output Domestic Hot Water (DHW) kW max 25 30 36
ErP Product Information
Seasonal Space Heating Energy Efficiency 93% 93% 93%
Sound Power Levels, indoors lWA dB 48 48 51
Space Heating Efficiency Class A A A
Water Heating Declared Load Profile XL XL XL
Water Heating Efficiency class A A A
Electrical
Electrical Supply Volts / Hz 230 / 50 230 / 50 230 / 50
Permanent Live Required Yes Yes Yes
Electrical Cable Supplied (0.75mm heat resistant flex) No No No
Power consumption when firing Watts 68 78 110
External fuse rating Amps 3 3 3
Internal fuse rating Amps F2A H250V F2A H250V F2A H250V
Boiler IP rating (electrical protection) without integral timer fixed Approval category IPX5D IPX5D IPX5D
Circulating pump exercise feature Yes Yes Yes
Pump Overun Yes Yes Yes
Integral 'boiler only' Frost Thermostat Yes Yes Yes
Mechanical
Hanging Bracket Yes Yes Yes
Isolating valves with pre-formed copper tails Yes Yes Yes
Gas supply Connection (mm) 22 22 22
Central Heating Connections (mm) 22 22 22
Domestic Hot Water Connections (mm) 15 15 15
Condense Discharge Pipe Connections (mm) 21.5 21.5 21.5
Safety DischargePipe Connections (mm) 15 15 15
Pre-Plumb Jig (optional accessory) 7682545 Optional Optional Optional
Rear Pipework Kit (optional accessory) 7682790 Optional Optional Optional
Remote Secondary PRV kit (optional accessory) 5121379 Optional Optional Optional
Hydraulic
Maximum DHW flow rate (Delta T @ 35'C rise) l/min 10.2 12.2 15.0
Minimum DHW flow rate required l/min 2 2 2
Minimum Operating DHW pressure required bar 0.5 0.5 0.5
Maximum DHW System Pressure bar 8 8 8
Safety Discharge Pressure bar 3 3 3
Compartment Ventilation Required No No No
Integral Expansion Vessel Size (litres) 7 7 7
Maximum Capacity of CH System Litres 100 100 100
Integral Automatic Bypass Yes Yes Yes
CH System Inhibitor Required Yes Yes Yes
Concentric flue systems
Concentric Flue Diameters (mm) 60/100 and
80/125
60/100 and
80/125
60/100 and
80/125
Standard telescopic horizontal flue (60/100) (mm) 315 - 500 315 - 500 315 - 500
Standard horizontal flue kit (60/100) (mm) 685 685 685
Max equiv length horizontal / vertical (60/100) m 10 10 10
Max equiv length horizontal / vertical (80/125) m 20 20 20
Equivalent length per 135' bend m 0.5 0.5 0.5
Equivalent length per 93' bend m 1 1 1
Weights
Installer Lift Weight (boiler) (kg) 29.2 29.2 30.2
Gross packaged boiler weight (kg) 35 35 35

Product Training

We offer product training at our training centres across the UK for installers who want to get hands-on with Baxi boilers.


From construction and installation to functions and features, our expert trainers will give you a complete understanding of working with Baxi boilers.

Book a training course

Find a boiler

Answer a few simple questions to find your perfect boiler.

Find a boiler
Boilers

Find a Baxi installer

Find a Baxi installer near you for a free quote to install your new boiler.

Quotation
TOP↑