How to mend ... Heating Going Hot

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]

ravenheat boiler problem?

I have a Ravenheat LS 100T combi boiler around 8 years old. Never had a problem with it but the system pressur... [Read more]

Ravenheat CSI 85 (T) not working properly ? Whats wrong?

Hot water works ok but put the heating on and it fires up and runs for a little while then the burn gos off th... [Read more]

Central heating but no hot water?

Ravenheat CSI 85 A T Central heating works but when I turn the hot water on it works for a minute and then red... [Read more]

whats wrong?

my baxi combo 105 is playing up the pilot light is not kicking in when I turn the hot water on but it is when ... [Read more]