Our range of Baxi Buffer Tanks are specifically designed for use with Baxi air source heat pumps, helping to optimise the efficiency and overall performance, where required, by providing additional system volume and creating a hydronic pressure break.
Air Source Heat Pump Accessories
Baxi Buffer Tanks
Features and Benefits
Product Literature
Installation & Service Manuals
Technical Specifications
Energy Labels
Baxi HP40 and HP60 Heat Pump £500 cashback promotion
You can earn £500 per installation for qualifying Baxi HP40 and Baxi HP60 Air Source Heat Pumps when they are installed, commissioned, and registered on Baxi Works with a valid MCS Installation Certificate by 31st July 2026.*
Baxi ASHP Solutions guide
Built for comfort, efficiency and reliability, they make a difference across every project – from single installations to large-scale developments.
Note: Please refer to Heat Pump manual for recommended Buffer Tank sizing.
ASHP solutions built around you, backed by us
Our comprehensive range of air source heat pump solutions fits the needs of every project – and with expert support always on hand, you can trust us to deliver. When it comes to ASHPs, we’ve got the lot
Contact your Baxi Assure Representative
Our Baxi Assure Sales Team is on hand to help you with all your Residential Specification hot water and heating requirements.