Alpha Automatic Air Vent (CB/CD/SY) 1.010771
Alpha Air Vent 1.010771
For use with the following Alpha boilers;
Alpha 240 P
and Alpha 240 E
with Alpha 240 X
plus Alpha 280 P
fits Alpha 280 E
and Alpha 240 (240 ONLY)
with Alpha 240 ECO
plus Alpha 240 XP
fits Alpha 240 XE
and Alpha 500E
with Alpha CD 24 C
plus Alpha CD 32 C
fits Alpha CB 24
and Alpha CB 24X
with Alpha CB 28
plus Alpha CB 28X
fits Alpha SY 24
and Alpha CB 50
with Alpha C23
plus Alpha C27
fits Alpha HE CB25
and Alpha HE CB33
with Alpha HE SY25
plus Alpha CD 18 S
fits Alpha CD 24 S
and Alpha CD 30 S
with Alpha CD 50
The automatic air vent is a pressure safety mechanism in the central heating unit.
They work by using a float to release an accumulation of 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.
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