P E X XP XE Safety Valve 3 Bar & O’Ring 1.021739
Alpha Safety Valve 1.021739
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 XP
with Alpha 240 XE
The pressure relief valve helps to stop pressure build up within a central heating system.
It is set to open proportionally to increasing pressure to prevent pressure causing the system to malfunction or break.
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