How to mend ... Combi Heat Off Itself

Worcester 28 cdi switches on when cold tap turned on?

When I turn on a cold tap or flush the toilet the boiler switches on.It doesn't heat the water but surely this... [Read more]

Baxi Combi 105e - flame-out problem?

My boiler runs oK on CH & hot water. However if I shut the CH off from the Controller ,the Boiler keeps runnin... [Read more]

Heat line c24/c28 condensing wall mounted combi boiler?

Heating is working, hot water is not there is plenty of pressure when hot water is called for ALL red led's li... [Read more]

Would my combi boiler heat water if I drained heating system?

I have a Vaillant Turbo Max Combi Boiler and a sealed heating system. I want to add a radiator and renew a cou... [Read more]

Worcester 350 Combi High Temp?

The water temp. has become very hot occasionally leading to a (overtemp.) shutdown. I suspect the factory set ... [Read more]

How do I clear a heat exchanger in a worcester bosch 240 combi ?

How do I clear a heat exchanger in a worcester bosch 240 combi and what does it look like?

how can i fix my ideal isar he24 condencing combi boiler?

the boiler fires up every 5 minutes to preheat the water in the domestic hot water heat exchanger.The manual s... [Read more]

Protherm 80e - Heating cuts out before radiators warm?

Hi Hope somebody can help I have a Protherm 80e combi boiler. In the last two day's the central heatin... [Read more]

Boiler pilot system Ferroli Combi 77 FF?

boiler not firing up after proper ignition sequence is followed, pilot extinguishing itself after ignition but... [Read more]

How can i fix my valient combi boiler?

my valient boiler does not heat water, and comes up F28, how do I fix it?

Water pressure on a Sime 100e combi-boiler?

... after replacing the diverter valve diaphragm, dhw heat exchanger and cleaning the inline filter I'm still ... [Read more]

Advice desperately needed: no hot water or heating?

I am a new house owner and are having issues with the central heating and hot water. As of sunday, it went off... [Read more]

ravenheat rsf 820/20t hot water combi?

hi, i have a ravenheat rsf 820/20t, but doesn`t heat the water properly, can any one help.

vokera 80 sp combi boiler?

when heating is switched off ,on the boiler and the stat is off no hot water taps are open,boiler fires up by ... [Read more]

Potterton Combi 80 without power?

My combi 80 does not seem to be receiving power from the electricity socket. I changed the fuse in the socket ... [Read more]

how to fix britony combi se c&m chaffoteaux & maury?

friend of mine has a problem with her boiler.It is leaking water about a mug full a week.It keeps trying to fi... [Read more]

tepid water from worcester bosch 24cdi?

i am only getting tepid hot water from my combi boiler. central heating working fine. i have change the heat e... [Read more]

how can i fix my boiler ?

my "Halstead Finest" combi boiler is working fine on the heating side but keeps cutting out on the domestic ho... [Read more]

Combi Boilers?

I have a 2 year old combi boiler which seems to have 2 faults. Firstly when you turn on the hot taps the rads... [Read more]

Chaffoteaux Britany Combi Boiler?

The gas will not stay on to heat the radiators, however is fine with the hot water. When we switch the heatin... [Read more]