hot water pressure

nsr

Joined
4 Dec 2005
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can anyone help me out
have a ravenheat rsf 82e combi boiler 2 years old
and for some reason ive lost pressure from the hot water upstairs and downstairs taps
cold water is fine
any advice on the problem thanx
 
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Could be failed diaphragm in diverter valve. Check the manual (download from Ravenheat site).
 
Just a few thoughts and ideas to go with the one already given

There could be a blocked filter, theres often one on the inlet pipe.
The cold supply valve could have been partly closed off by mistake.
Theres a black screw on top of the diverter valve that you could play with to help ascertain the problem. This is the flow control screw.
Has anyone turned the water off lately and not re-opened a stopcock fully?
Have the water board been working nearby lately and disturbed debris from the mains?

Was the onset of the problem sudden or gradual?
 

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