The Ferroli expansion vessel is designed for use in appliances such as the Combi, Optimax HE Plus, Maxima, Modena, DOMIcompact, Tech, Tempra and Falcon. The expansion vessel is a chamber that is designed to protect water heating systems from overpressure. It is filled with air, which acts as a cushion against system pressure surges.

Brand Name	Ferroli
Colour	None
Material	None
Manufacturer Model No	39809690
Wear Type	None
Type	Expansion Vessel
Certifications Met	None
Country of Origin	None
Protects From	overpressure
Waterproof	None
Number of Pockets	None
Capacity	10 L