I am having problems getting constant heat through my shower. I have a worcester 24cdi combi boiler which feeds the taps fine but will not with the shower. It starts off ok but soon turns cold, I have made sure the boiler pressure is above 1 bar and that the temperature is not too high ( to prevent it cutting out). Apart from that i am running out of ideas. I have only been in the house a week and i am still finding my way around!
is your shower mixer compatable with a combi boiler?If your boiler was connected to an old mixer unit where there was no compensation for large variation between hot and cold inlet pressures then you wont get steady temp at the outlet.If this is the case you could try two things-fit a new mixer valve or fit a pressure reducing valve on the cold feed which would be the cheaper option.I have come across an old NEW TEAM mixer valve displaying similar symptoms and in this case a pressure balancing valve connected to both hot and cold feeds was at fault.Hope this isn`t too much info.
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