Ravenheat Combi. No shower without c/heating on?

Question

I know nothing about combi boilers, and am trying to help with a problem for a relative unfortunately over the phone atm. The situation is:-

Ravenheat Combi boiler, 20/20E4. Serviced by BG every November.

Everything was working ok, c/heating, hot water, shower upstairs.

A bathroom shop has come in, replaced the sink and retiled the shower in the upstairs bathroom.

They apparently did turn off the gas supply to the boiler whilst working, but say that was all.

Now, the shower will not run hot unless the central heating is also on. If it is not on it's a cold shower.

Could the bathroom fitter have done something to the Combi, or is it a coincidental separate fault (that requires BG to be called in)?

Thanks,

gasman pete · Accepted Answer

do you still have hoy water to the taps?does the hot water fire up and work ok on any other tap?or is it just the shower?please re postpete

Tony Williams · Answer

I'll ask, tomorrow now unfortunately. Trouble is she is getting into the habit of turning the c/heating on to get what is needed and this then ruins any experiments. Thanks,

Tony Williams · Answer

Just asked.... No, there is now no hot water to any tap (or the shower) unless the c/heating is also turned on.

I don't know whether it could be the work in the bathroom or whether it is just a coincidence, with the weather getting warmer and c/heating now being off.

Ravenheat Combi. No shower without c/heating on?

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