The Ariston potable expansion vessel, 12 Litre, is normally spherical in shape and contains a membrane or bladder. It will have a thread on one end and on the other end there will be a valve which can be used for testing pressure or to re-instate the designated pressure required for the vessel.

Brand Name	CPS
Colour	None
Material	None
Manufacturer Model No	022-147-0121
Wear Type	None
Type	Potable Expansion Vessel
Certifications Met	None
Country of Origin	None
Protects From	None
Waterproof	None
Number of Pockets	None
Capacity	12 L
Waist Size	aa79ce12fw