The Baxi 248722 Expansion Vessel with Storage is a genuine replacement vessel designed to maintain stable water pressure within compatible Baxi boilers. This specialised vessel includes an integrated storage section, allowing it to manage system expansion more effectively during heating cycles. By absorbing excess pressure as water heats and expands, it helps protect the boiler and central heating system from strain, leaks, and over-pressurisation.

A failing or waterlogged expansion vessel can lead to repeated pressure drops, pressure relief valve discharge, noisy operation, or boiler lockouts. Replacing it with this genuine Baxi component restores correct pressure regulation and ensures reliable system performance.

Key Features

• Genuine Baxi expansion vessel with integrated storage

• Maintains stable system pressure during heating cycles

• Helps prevent over-pressurisation, PRV discharge, and pressure faults

• Enhances boiler efficiency and system protection

• Durable construction for long-term reliability

• Direct-fit replacement for straightforward installation

Compatible With

Suitable for selected Baxi boilers requiring expansion vessel 248722.

Please verify compatibility using your boiler manual or the existing vessel part number.