The Aquasystems ARB potable expansion vessels are manufactured to comply with UK water regulations and are tested and certified by WRAS. The vessels are supplied with a replaceable membrane and feature an integrated wall bracket. They come complete with wall bracket accessories as pictured. The main purpose of the vessel is to compensate for the increase in volume of water due to the varying water temperatures in the system.

Brand Name	Aquasystem
Colour	N/A
Material	Replaceable Membrane
Manufacturer Model No	520-147-0188
Wear Type	N/A
Type	Expansion Vessel
Certifications Met	UK Water Regulations, WRAS
Country of Origin	N/A
Protects From	N/A
Waterproof	N/A
Number of Pockets	N/A
Capacity	18 litre
Connection	3/4"
Pre charge	3 bar
Max pressure	10 bar