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Vaillant Automatic Air Vent 0010033857
Code:218001
SKU:0010033857
Overview
was 10-4521 104521 Auto Air Vent Vaillant
A central heating safety device, the air vent releases built up air. As water flows through the system, a float opens or closes the vent depending on the water level. When the system is full the float is pushed to the top, closing the vent until the water level drops.
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Information
A central heating safety device, the air vent releases built up air. As water flows through the system, a float opens or closes the vent depending on the water level. When the system is full the float is pushed to the top, closing the vent until the water level drops.
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