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Baxi 836 Combi2 Boiler

From £1,440.00

The Baxi 836 Combi 2 Series comes with the compact Adey Magnaclean Micro2 magnetic system filter and a 10 year parts and labour warranty* for total peace of mind.

The latest addition to Baxi’s 800 series, the Baxi 836 combi boiler, is extremely compact, lightweight, and user-friendly. Known for its reliability, it offers quick and straightforward installation and commissioning without requiring front cover removal. Maintenance is equally effortless, owing to innovative features that grant easy access to all primary components and a modular fan gas air unit.

The boiler is small enough to fit into a 290mm deep cupboard, has a built in pipes behind facility within the boiler casing and brass hydraulics.


  • 24kW, 30kW & 36kW available
  • Stylish, contemporary design
  • Simple to use with separate heating and hot water controls
  • Complete with Adey MagnaClean Micro 2 filter
  • Very quiet in operation.
SKU: Baxi830-2 Categories: , , , Product ID: 1094


The Baxi 836 Combi2 Boiler offers advanced heating solutions for modern homes. With its compact design and versatile installation options, it seamlessly integrates into any space. Equipped with cutting-edge technology, this boiler delivers exceptional performance and energy efficiency, providing reliable heating and hot water while minimizing energy consumption and reducing bills.

User-friendly controls simplify operation, catering to users of all technical abilities. Its intuitive interface allows for easy adjustment of temperature and settings, ensuring personalized comfort for every household member. Constructed from high-quality materials, the Baxi 836 Combi2 Boiler is built to last, offering durability and reliability for years to come.

Homeowners gain peace of mind from the guaranteed consistent heating and hot water performance year after year. Whether upgrading an existing heating system or installing a new one, the Baxi 836 Combi2 Boiler is a dependable choice that meets all requirements. Its compact size and sleek design make it suitable for various household setups, while its advanced technology ensures efficient heating and hot water delivery.

Backed by Baxi’s reputation for quality and reliability, homeowners can trust in the performance of the Baxi Boiler range. It is environmentally friendly, with features designed to minimize its environmental impact. Compatible with renewable energy sources, it allows homeowners to further reduce their carbon footprint.

This Baxi Boiler offers optimal performance, efficiency, and reliability, making it the ideal heating and hot water solution. With its advanced technology, user-friendly controls, and durable construction, it provides unparalleled comfort and peace of mind to homeowners. Experience the benefits of the Baxi 836 Combi2 Boiler in your home today.

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Additional information

Weight 29.5 kg
Dimensions 39 × 70 cm

30kw, 36kw

Flue Options

Baxi Multifit Horizontal Flue 60/100 (7222019), Baxi Multifit Vertical Flue 60/100 (5118576), Boiler Only – NO Flue

Features & Benefits

Features & Benefits

  • Has the option to be operated using a smart phone or tablet.</li>
  • Compatible with Usense
  • Lightweight for an easier installation have
  • 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



<td class=”xl69″>20<tr>kW (min) Gross (QnHs)</tr><tr><td class=”xl70″><strong style=”font-weight: 500;”>Electrical

<strong style=”font-weight: 500;”>Baxi 824 Combi 2 Baxi 830 Combi 2 Baxi 836 Combi 2
Sales Code Boiler Only 7814304 7814305 7814306
Natural gas or LPG Yes Yes Yes
Inlet supply pressure (natural gas)
Heat Output CH (non-condensing) kW (Max) (Pn) 20 25 25
kW (Min) (Pn) 4.8 5.8 7.2
Heat Output CH (condensing) kW (Max) (Pnc) 21.8
kW (Min) (Pnc) 5.2 6.3 7.6
Heat Input Domestic Hot Water (DHW) kW max gross (QnwHs) 27.4 30.9 36.9
Heat Output Domestic Hot Water (DHW) kW max 24 30 36
Water Heating Efficiency class A A A  </td></tr>
Permanent Live Required Yes Yes Yes
External fuse rating Amps 3 3 3
Pump Overrun Yes Yes Yes
Integral ‘boiler only’ Frost Thermostat Yes Yes Yes
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
Integral Expansion Vessel Size (litres) 7 7 7
Maximum Capacity of CH System Litres 100 100 100
Integral Automatic Bypass Yes Yes Yes
Installer Lift Weight (boiler) (kg) 29.2 29.2 30.5