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Baxi 800 Heat

Our Baxi 800 Heat Only boiler comes with a 10 year warranty and filter in the box.

  • Features
  • Dimensions
  • 10 year parts and labour warranty*
  • Comes with an Adey Micro2 magnetic system filter to protect the heating system and boiler
  • Fits inside a standard kitchen cupboard
  • Works extremely quietly
  • Rear flue option for an even neater finish
  • Compatible with market-leading Megaflo Eco hot water cylinder

*Terms and Conditions apply.

baxi-ecoblue-advance-heat

  • Boiler width [A] = 370mm
  • Boiler height [B] = 625mm
  • Boiler depth [C] = 270mm
  • Side clearance [D] = 5mm
  • Upper clearance [E] = 190mm*, 35mm* if using rear flue
  • Lower clearance [F] = 120mm*, 35mm* in 300mm deep wall cupboard
  • Front clearance [G] = 5mm* in operation, 500mm* for servicing
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Installer Information

Technical Features

  • 16kW 25kW 30kW
  • 10 year parts and labour warranty
  • 17.4kg installer lift weight (16kW and 25kW)
  • Includes Adey Micro2 Magnetic System filter
  • Central top flue or in case rear flue option
  • Compact cupboard fit
  • No pump overun or permanent live required
  • Suitable for fully pumped open vent or sealed systems
  • Very quiet in operation
  • Easy fit wall mounting bracket
  • Front and side access
  • Central top flue or in case rear flue option

Dimensions

baxi-ecoblue-advance-heat
  • Boiler width [A] = 370mm
  • Boiler height [B] = 625mm
  • Boiler depth [C] = 270mm
  • Side clearance [D] = 5mm
  • Upper clearance [E] = 190mm*, 35mm* if using rear flue
  • Lower clearance [F] = 120mm*, 35mm* in 300mm deep wall cupboard
  • Front clearance [G] = 5mm* in operation, 500mm* for servicing

Technical Data Table

Baxi 800 Heat 16 Heat  25 Heat   30 Heat
Sales Code Boiler only 7749866 7749868 7749869
Controls and accessories
Operating mode selector switch with reset   Yes / no Yes  Yes Yes
User adjustable CH temperature   Range - e.g. 45° to 82° Yes  Yes Yes
LED temp/status/fault diagnosis display  Yes / no Yes Yes Yes
Baxi twin channel wired programmer 7212443 Optional  Optional Optional
Baxi room thermostat 720971601  Optional   Optional Optional
Gas
Boiler Plus ErP  % 93.0 93.0 93.0
SAP 2009 annual efficiency (PCDB/SEDBUK) % 89.2 89.1 89.1
NOx class   6 6 6 6
ErP Product Information 
NOx mg/kWh 20 24 24
Sound Power Level, Indoors  LWA dB 39 45 49
Space Heating Efficiency Class    A A
Heat Input CH kW max gross (QnHs) 18.32 28.62 34.35
kW min gross (QnHs)  8.59 8.59 8.59
Heat Output CH (non condensing)   kW (Pn) 16 25 30
 kW (Pn) 7.5 7.5 7.5
Gas supply connection (mm)  22 22 22
Inlet supply pressure (natural gas) mbar 20 20 20
Maximum gas rate m3/hr  1.75  2.73 3.27 
Mechanical and hydraulic  
Compartment ventilation required Yes / no No  No  No 
Flow / return pipe size (mm)  22  22 22
Condensate discharge pipe size  (mm)  21.5  21.5  21.5 
Electrical  
Electrical supply   Volts / Hz  230V/50Hz   230V/50Hz 230V/50Hz
Permanent live required   Yes / no No No No
Switched live Yes / no  Yes Yes Yes
Electrical power cable fitted as standard  1m of 3 core Yes Yes Yes
Power consumption Watts  20 33 44
External fuse rating Amps  3 3
Internal fuse rating     1.6T 1.6T 1.6T
Boiler IP rating (electrical protection) Approval category   IPX4D  IPX4D  IPX4D 
Pump overrun   Yes / no  No No No
Concentric flue system 
Standard telescopic concentric flue Length in mm 315-500  315-500 315-500
Horizontal and Vertical concentric (60/100 mm)  Max equivalent length (m)  6 6 6
Reduction per 135° bend (m)  0.5  0.5 0.5
Reduction per 93° bend (m)  1 1
Horizontal and Vertical concentric (80/125mm)  Max equivalent length (m) 12 12 12
Weights 
Installer lift weight (boiler) Max (kg)  17.4 17.4 19.5
Gross packaged boiler weight  (kg)  21.3
21.3
21.3

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.

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