How to mend ... Hot Working Central Heating Boiler

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]

halston ace boiler central heating problem?

Heating comes on and off even when switched off and just set for hot water only! tried resetting. Any suggesti... [Read more]

Remeha Avanta plus - No heating but hot water is flowing?

I have a problem with my Rehema Avanta plus boiler. It was working perfectly well but on Monday 29th October, ... [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]

How can I turn my Volkera excell 80sp on again?

Hi, I have a Volkera excell 80sp. I shut off accidentally the gas supply while the central heating was worki... [Read more]

Vaillant Ecotec plus 824 with no central heating?

Please help!! We've been in this house for almost a year - so I'm not sure when the boiler was installed bu... [Read more]

How can i fix my halstead ace 24 boiler?

My boiler keeps flashing fault code 3, when this happens we have no hot water or central heating working. Howe... [Read more]

Problem with Ideal ISAR HE24 ?

I have just fitted replacement PCB to my daughter's HE24 boiler as there was no LED display & no hot water or ... [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]

What is wrong with my central heating?

Hi My central heating and hot water will not turn on when requested. The electronic time is set to 24 hrs and... [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]

No Hot Water But CH is normal???

My Vokera Linea 735 boiler isn't heating up the hot water but the central heating is working perfectly. There... [Read more]

ravenheat csi85 combi read this it will help many!?

I have a ravenheat csi85 boiler, the hot water works fine. The central heating started switching on /off, it w... [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]

Boiler fired but cuts off (Glowworm Micron 60FF)?

My boiler has suddenly stopped working. When it is reset, it starts the fan, and begins to spark presumably (a... [Read more]

vaillant 824/e ecomax pump working, but no hot water leaving boiler?

My vaillant 824/2e ecomax on start up has fast rise in temperature up to between 80-104 c and pump stops. cent... [Read more]

Knocking boiler?

I have a Ideal isar HE30 boiler have been woken up with continue boiler knocking noise , both domestic hot and... [Read more]

how can i fix my cb24 boiler?

i cant get hot water without my central heating being fired up is it possible could be the flow switch. i am a... [Read more]

worcester 532/i boiler?

hot water is working but central heating is not, was working during the day but stopped when temperature dropp... [Read more]

baxi 80 he combi boiler hot water fualt?

hi. my boiler hot water only works partially. the central heating is fine. i have partially traced the problem... [Read more]