How to mend ... Heating Only Comes Hot Water

Isar HE 35 again problem?

Hi Last winter (thankd to this forum) I did replace diverter valve, temp gauge and water pump and spring come... [Read more]

Boiler sometimes doesn't fire up have to flick reset switch main 30he?

Have to set stat to call for heating to get hot water to fire up burner

lhow to fix Vaillant ect tec pro f75 fault?

My vaillant ecotec pro 28 He combo Ng has come up with a F75 fault.I can reset it and everything's fine until... [Read more]

no hot warer?

My bosch 2460 is not heating thd water

I have a vokera boiler I can only get hot water when heating is on ?

Any ideas what it could be I have been told it may be a problem with the pressure control valve ?

Vokera Combi Boiler?

We have hot water, but no heating. The boiler has 3 green lights. It says purge cycle, we phoned Vokera and ... [Read more]

potterton performa 24?

Having hot water issues! Heating works fine, but when hot water circuit operates the heat is applied to the he... [Read more]

how can i fix my optimax HE 31c?

Got ferroli boiler optimax he 31c no heating or hot water but got a flashing F on front panel ! Any ideas ?

can only get heating on when hot water is on?

can only get heating on when hot water is on

potterton prima 30F problem?

The boiler is igniting when I put on the hot water. But the boiler doesn't ignite when I put on the heating. S... [Read more]

Ariston microgenus 23 sounds like a jumbo jet!?

Ariston microgenus 23 sounds like a jumbo jet when the hot water is on, Ok when heating is on. The noise star... [Read more]

how can I fix my Halstead Ace High gas boiler?

My boiler seems to be turning to central heating on it's own without being programmed. I have checked the hot ... [Read more]

When using hot water heating comes on as well?

I have a mains 24he combo boiler, when using hot water heating comes on as well but it wasn't set for heating ... [Read more]

ferroli f30 boiler?

My ferroli f30 boiler i cant get no hot water or central heating to come on, the boiler wont ignite, any ideas... [Read more]

halstead ace high boiler?

My hot water is working fine, but when I turn the heating on it goes off within seconds

ariston euro combi boiler?

I have a Ariston Euro Combi Boiler, it is over 10 years old. It still working fine but with a few issues. I... [Read more]

Worcester 24i Junior Boiler - Hot Water Fine - NO HEATING?

Hi i recently moved into a house which has a Worcester 24i Junior boiler. Hot water is fine but the heating... [Read more]

boiler issue?

my viessman vitotrol 100 only 3 months old with remote control will not ignite to give me heating or hot water... [Read more]

i have Halstead Ace Gas combinatiion Boiler?

the Hot water Light & boiler are running all the time, evening with the timer off. if put the heating on, the... [Read more]

heating only comes on if hot water on?

we had a new worcester greenstar boiler and system installed by british gas a few years ago. we have a control... [Read more]