The Potterton automatic air vent is a pressure safety mechanism in the central heating unit. It works by using a float to release accumulated air. As water flows through the heating and cooling system, a float within the automatic air vent opens or closes depending on the water level.

Brand Name	Potterton
Colour	silver
Material	N/A
Manufacturer Model No	541848
Wear Type	N/A
Type	Automatic Air Vent
Certifications Met	N/A
Country of Origin	N/A
Protects From	N/A
Waterproof	N/A
Number of Pockets	N/A
Waist Size	aa62cc13gu