Powermax 155x

Joined
3 Nov 2009
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Location
London
Country
United Kingdom
My boiler is 7 years old; both in the bath and the shower I have expereienced periods when the water runs cold. It recovers after a minute or so but has been known to repeat the cold spell a couple of times during a shower. B. Gas engineers seem to be at a loss. Has anyone experienced similar?
 
Mixing valve and/or thermistor on the dhw side.......or a mixer tap letting by....do you have any??
 
Tell BG to check/change the BLENDER VALVE part No.P757
 
and then be prepared to go through an argument about wheather or not mixer valves are covered!
 

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