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Worcester Air Vent Valve 87161064450

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Categories: Boiler Spares, Worcester Bosh Boiler Spares

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£17.00

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Description

In the central heating unit, the automatic air vent serves as a pressure safety measure. They function by releasing built-up air pressure with a float. Depending on the water level, a float inside the automated air vent opens or closes as water passes through the heating and cooling system. The float will be forced to the top and the vent will be closed until the water level falls if the system is full of water.