A 24kW combi boiler from Baxi — installed in a single day by Gas Safe registered engineers.

The Baxi 600 24kW is designed to work quietly, efficiently, and reliably — for years to come.
No surprise add-ons. Your quote covers everything needed for a complete installation that meets all gas safety regulations, carried out by Gas Safe registered engineers.
Price and installation time varies depending on your installation requirements. Answer a few quick questions to get your exact fixed price.
Get your free quoteThe Baxi 600 Combi 24kW is the middle of Baxi's combi range, with a longer warranty than the 400. It's compact enough for a standard kitchen cupboard and delivers hot water at up to 10.2 litres a minute.
It has a stainless steel heat exchanger and brass hydraulics, and the EasyFill link lets you top up your system pressure without calling an engineer. A pre-heated condensate trap helps prevent frozen condensate pipes in winter, and it works with the Baxi uSense smart thermostat.
Backed by a 7-year Baxi parts and labour warranty.
The 24kW is the smallest size of the Baxi 600 Combi, with hot water at up to 10.2 litres a minute. It suits homes that don't often run more than one hot tap or shower at a time. Not sure which size or type you need? Our guides to what size boiler you need and combi vs system boilers explain the differences.
Spread the cost of your new boiler over monthly payments that fit your budget. Available through Ideal4Finance, subject to status.
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