Ideal automatic air vent 172668

The automatic air vent is a pressure safety device in the central heating unit. *Genuine Ideal part*
172668
  • £18.28
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The AAV is a pressure safeguard in the central heating unit. It work by using buoyancy to release accumulated air. As water flows through the heating/cooling system, a float within the automatic air vent opens or closes depending on the water level. If the system contains no air, the float will be pushed to the top and the vent will be closed until the water level drops.
This part is compatible with:HE 351201503060 LPGW 45W 45 PHeat 55HE 24HE 3010030 LPG4040 LPG60and many more...
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