How to mend ... Boiler Fires Up Hot Water Not Heating

Heating? Ariston micro genus 27 mffi?

hot water fine but when I put heating on the boiler fires up but the motorised valve just fitted on boiler doe... [Read more]

Boiler fires up for hot water but not heating why?

Boiler fires up for hot water but not heating even though the thermostat is turned up high

boiler fires up/fires off cycle?

my water boiler fires up and fires off every 2-3 minutes on a cycle when heating up water. why does this happ... [Read more]

ferroli optima 901 c/heating problem?

heating will not come on but hot water ok. pump runs. boiler fires up when stone cold for c/h eventually but w... [Read more]

Valliant code 28? Boiler ?

The boiler valliant turbo max plus thermo compact turns on fires up then switches off and code 28 appears. N... [Read more]

how can i fix Ariston micro Genus 23MFFI?

I have an Ariston micriGenus 23MFFI boiler.When i want hot water or heating the boiler fires up and runs for a... [Read more]

Does my boiler need it's gas pressure adjusting ?

My Sabre 35 Combi boiler fires up ok when i turn on the hot water tap, but the water has to run for ages befor... [Read more]

Worcester combi greenstar intermittently not starting up/EA error code?

We have a 3yr old Worcester Greenstar combi boiler that is playing up. It has been intermittently not firing ... [Read more]

Why does the boiler firer up for 1 miniute then gurgle and then cut out?

My worcester 28cdi Boiler is 9 years old, and has been serviced most years. But since this cold weather it ha... [Read more]

How do I get the central heating on? potterton prima F80 boiler fires up, ?

potterton prima F80 boiler fires up, runs for 2 to 3 minutes then shuts down. Cycle repeats after say 5 minute... [Read more]

Procombi 85 HE hot water ok, but central heating not working?

The boiler is working when I run hot water, it fires up when the central heating is turned on, the pump get's ... [Read more]

f1 fault on 23 kw jaguar boiler?

boiler fires up on heating and hot water then goes into f1 fault change flame probe and pcb board replaced,fan... [Read more]

The pilot light on my boiler keeps going out?

I have always had a problem with my ferroli boiler. when I turn my heating off and come to turn it back on aga... [Read more]

vokera boiler?

boiler fires up,have hot water but no heating

my ravenheat rsf 84 et boiler?

can someone help me my reavenheat rsf 84 et boiler when you turn on the hot water the boiler fires up ok then ... [Read more]

Boiler fault ?

Calydra 80 heating working ok ,but hot water ,boiler fires after a few minutes the boiler stops fireing ,from ... [Read more]

no hot water or heating even though boiler fires up?

When I turn on my hot tap the boiler fires up but the water does not get hot, when I turn on thermostat the bo... [Read more]

have a boiler no hot water 28cdi?

worcester boiler 28cdi have central heating working ok hot water will not turn on downstairs bathroom turn wat... [Read more]

No c/h working saunier duval f23e combi boiler?

hot water working fine but when turning the central heating on it fires up for a few seconds and then switches... [Read more]

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]