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My biasi combi boiler will only supply hot water when the heating is on.
Anonymous user 03/03/2024 - 2.34 PM
When I try to switch the boiler to hot water only I am unable to, it just wont come on. The only way I get hot water is to switch the heating on. Does it need replacing or is a replacement switch all that is needed?
Are you a tradesperson and able to answer this question?
5 Answers
Anonymous user
sounds like a divertor valve problem
Answered10 May 2011
11
Anonymous user
It could be one of many problems.
Could be the diverter valve, a faulty thermistor making the boiler cut out before it can get to temperature, blocked (or partially blocked) heat exchanger, a fault on the PCB... The best way to get to the bottom of it will be to have a GSR engineer come out and have a look at it for you.
Answered10 May 2011
6
Anonymous user
diverter valve
Answered10 May 2011
6
Anonymous user
Def diverted valve
Answered30 October 2014
4
Anonymous user
Sounds like a diverter valve. When they fail it normally only allows hot water only. If there is no diverter valve in that model then it will be a split diaphragm that does the same job. A replacement can be sourced and then fitted by your local plumber.
Answered10 May 2011
3