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HELP! Boiler- hot water only if i put heating on

(6 Posts)
Wheneverwhatever Thu 05-Nov-15 14:49:51

The title explaines everything.

I can get hot water from the tap only if i put the heating on. It is a combi boiler and i dont know who i should call.
Will i have to replace the boiler?

chrome100 Fri 06-Nov-15 11:01:07

No advice but we have this. We just turn the heating on every time we want a shower or to do the washing up and turn it off again after.

It's been like this for years and the boiler's not broken yet!

mintbiscuit Fri 06-Nov-15 11:11:16

We get this. Before it was the heat exchanger which had got all blocked up. This was replaced and sorted it.

Could also be a diverter valve. That's the extent of my gas engineering knowledge I'm afraid.

Unlikely you will need to replace boiler. You may need to actually get engineer from the boiler company to fix though. We ended up having to do that as the first one we used couldn't fix the problem.

SomedayMyPrinceWillCome Fri 06-Nov-15 11:16:17

Can you just turn the radiators off?

PigletJohn Fri 06-Nov-15 14:42:25

probably the diverter valve and your gas-safe boiler mender can mend it

No need to buy a new boiler

HelenF35 Fri 06-Nov-15 14:48:33

I had a similar problem and it was the diaphragm. I had to tell British Gas that after they failed to fix the problem after 7 visits!

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