How to mend ... Combi Boiler Heating Fires

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]

Troubleshooting a Bosch ZWB28-3 combi boiler?

Currently it heats our hot water well but when cold is mixed in like in the shower the temperature of the wate... [Read more]

woresterboch 24i greenstar combi boiler?

when i put on boiler control for constant heating it will not fire up but it fires up for hotwater

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]

Worcester 28i Junior Combi... Hot water but NO Heating ???

Hi everyone, We have a Worcester 28i Junior Combi which developed a fault this week. We have hot water fine b... [Read more]

intermittant fault on ravenheat csi85at?

on this combi when switched to hot water only boiler does not fire at all.on winter /summer boiler fires on ho... [Read more]

how can i fix biasi combi riva compact he 24s?

the boiler fires up on heating but will not fire up on hot water av cleaned secondary heat exchange out which ... [Read more]

How Do I Trace the Cause of my Central Heating Boiler Fusing My House Elect?

I have A Grant Combi 90 MKII Oil Burning Boiler. When it fires up to heat the water or for the heating to com... [Read more]

Hot Water gets teppid but not warm heating ok?

I have a Ravenheat RSF100 ET Combi Boiler. had to strip down to repair water leak. Put back together, Fan work... [Read more]

Ravenheat White Star LS80T - LS100T - No Hot Water?

Hi, I have the above combi boiler and until recently its been working just fine but recently Ive not manage... [Read more]

Combi boiler turns off and on during hot water supply. How do I stop this?

I have a hot water and central heating boiler which for the hot water only fires up when I turn on the hot wat... [Read more]

worcester cdi 24 combi ?

have changed the diverter valve diagphram, have hot water but no central heating ,it fires up pipe from boiler... [Read more]

ravenheat csi85t combi boiler ?

when i turn the tap onthe boiler comes on then the ignition fires once the burner lights & instantly shuts dow... [Read more]

worcester 240 combi heating no hot water?

boiler fires for heating but no hot water unlesws heating on

water not hot instantly?

hope someone can help, when i turn the hot water tap on on my combi nf80 bolier, the boiler does not fire up, ... [Read more]

ravenheat combi boiler ?

I`ve carried out numerous repairs to my combi over 12 years , but struggling with this one ... C / Heating see... [Read more]

Hot water problem in my combi boiler?

My combi boiler works fine in central heating mode. When in hot water mode, however, it fires intermitently so... [Read more]

combi 80eco boiler faults?

when dhw selected only , heating fires up , new pcb board fitted , i suspect either on , off , reset switch fa... [Read more]

How can i fix my Halstead Ace High combi boiler?

I have power to the boiler, the green power light is on, when i turn the heating, hot water or both on, the bo... [Read more]

Halstead Finest Combi Boiler Locking Out?

When a hot tap is turned on and the central heating is not on or on demand, the hot water flows whenever a dem... [Read more]