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Baxi 825 Combi Gas Boiler

From: £1,949.00

Get a quote to install this boiler.




825 Combi Gas Boiler

Is Condensing


Efficiency Rating


Band Rating

A Rating

LPG Compatible


Standard Warranty

10 Years

Central Heating Max. Output

21.2 kW


Wall Mounted

Flow Rate

10.2 l/min

Product Description

The 825 is a condensing combi gas boiler by Baxi that’s highly reliable and efficient.

How efficient is the Baxi 825?

The Baxi 825 has a seasonal efficiency rating of 93% and ErP A-rating, which means that this boiler can perform to high levels of efficiency.

What is the output rating of this boiler?

An output rating of 25 kW means that the Baxi 825 is best suited to smaller homes with 1 bathroom and a fairly low demand for central heating and hot water.

What options are available in this range?

If a 25 kW output doesn’t suit your home then there are more powerful boilers in this range, including outputs of 30 kW and 36 kW.

Where can this boiler be installed?

The 825 has been designed for internal installation and thanks to its compact size is able to fit within a standard cupboard.

Can the Baxi 825 boiler save you money?

Thanks to being a highly efficient boiler, the Baxi 825 will help to save you money on your energy bills all year round and its compact size plus low lift weight means that you’ll be saving money on the installation too.

What are the features of the Baxi 825 boiler?

The Baxi 825 features an ADEY Micro2 magnetic system filter, brass hydraulics block, built-in stand off frame, easy fill permanent filling link which makes topping up the system simple, optional Usense smart controls, opentherm interface, IFOS compatibility, extensive flue options of up to 20 metres and a simple hanging bracket. You can also take control of the boiler from your smartphone or tablet.

Is a combi boiler suitable for my home?

Combi boilers supply hot water and heating on demand using the mains water supply, this removes any need for bulky tanks or cylinders, perfect for smaller homes where space is limited.

How long is the warranty period?

Featuring a 10 year warranty as standard, you can be confident that the Baxi 825 is a reliable unit for your home.

All Baxi 800 combi boilers have been certified to run on a 20% hydrogen blend.