Baxi 40L Buffer Vessel for Air Source Heat Pumps potable expansion vessel Instant On-Demand Hot Water —

Instant On-Demand Hot Water — Heats as it flows – unlimited supply

Communication: Ethernet (10/100 Mbit/s

WiFi/LAN/4G Installation & Package Contents

By extracting heat from the surrounding air — operating from as low as -7°C ambient — the M7 achieves a Coefficient of Performance (COP) of 3

Baxi 40L Buffer Vessel for Air Source Heat Pumps potable expansion vessel Instant On-Demand Hot Water —The Baxi 40 Litre Buffer Vessel (MPN 7768655) is a thermal storage tank designed to sit between a Baxi air source heat pump and the heating circuit, providing the system volume needed for reliable defrost cycles and smoothing flow temperature across the home. At 40 litres, this is the variant Baxi specifies for the 11 kW and 13 kW Baxi monobloc heat pumps, where the installation manual mandates a buffer of greater than 40 L. A correctly sized buffer