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We have 1845 questions about mending 'boiler central heating hot'

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Mend Heating, Home Heating Systems

how can i fix my worcester 24cdi boiler?

the digistat which is less than twelve months old has stopped working and recently the shower which runs throu... [Read more]
Mend Heating, Home Heating Systems

Controller EP 2002 brand new. Boiler is an ideal classic FF260P?

The boiler is not responding to the controller instructions. When the hot water and central heating time perio... [Read more]
Mend Heating, Home Heating Systems

what could be wrong with my boiler?

I have a glow worm compact electronic 100.The central heating works fine but but hot water is a hit and miss. ... [Read more]
Mend Heating, Home Heating Systems

How to cure F1 Fault on Protherm 80e Boiler?

Central heating and hot water both are not working. The display code F1 is Seen. As per manual following fault... [Read more]
Mend Heating, Home Heating Systems

Protherm 100EC - Hot water problem?

Central heating works fine - but no hot water - any ideas. Two plumbers round already who don't know anything... [Read more]
Mend Heating, Home Heating Systems

Worcester 24 cdi no hot water?

When the central heating is on hot water is ok. When heating off the boiler fires up when a hot tap turned on,... [Read more]
Mend Heating, Home Heating Systems

How can i fix my Lexicon e.l.m leblanc Combi Boiler?

I'm getting central heating ok, but no hot water! Help! ;)
Mend Heating, Home Heating Systems

Central Heating won't heat radiaters but do have hot tap water?

I have an Optima 700 boiler/central heating system. When I turn up the room thermostat it clicks but the boile... [Read more]
Mend Heating, Home Heating Systems

what wrong with combi boiler?

I have breath all cenral heating in my house so heating can be flow fully inside the rediator, after that the ... [Read more]
Mend Heating, Home Heating Systems

has the pump gone?

i've just been doing a bathroom. and i switched the hot water off and re-routed the pipe. now the central heat... [Read more]
Mend Heating, Home Heating Systems

hi i have a ravenheat boiler rsf 84et not firing up?

when i turn on the hot water or the central heating,the fan starts up and the pilot egnition fires and lights ... [Read more]
Mend Heating, Home Heating Systems

ravenheat 820/20 combi boiler ?

When I run the hot water tap, the water is cold, the pilot light doesn't start up, but when I put the central ... [Read more]
Mend Heating, Home Heating Systems

How do I correct my Vaillant Boiler?

It's a Vaillant Turbo boiler, functioning fine as regards the central heating, but no longer supplying hot wat... [Read more]
Mend Heating, Home Heating Systems

can i fit a 2 port valve to a gravity feed heating system?

Hot water is gravity fed through the boiler and through the coil in the hot water tank to heat the water. The ... [Read more]
Mend Heating, Home Heating Systems

low water temp from combi boiler?

Could anyone let me know what may be the problem. My combi boiler works perfectly on the central heating side... [Read more]
Mend Heating, Home Heating Systems

ferroli boiler cutting out?

My ferroli central heating boiler works fine for the hot water but keeps switching off on the central heating ... [Read more]
Mend Heating, Home Heating Systems

Hot water problems with Ariston Eurocombi boiler?

In short, my boiler will only provide hot water whilst the heating is on, the rest of the time it is either lu... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Potterton Puma 80?

My combi boiler has broken down, After lighting the pilot the system fires up and hot water is produced for ab... [Read more]
Mend Heating, Home Heating Systems

how can i change water filter on saunier duval?

My central heating works but i have no hot water, this is a combi boiler and have been told that i need to ch... [Read more]
Mend Heating, Home Heating Systems

POtterton Puma 80 Boiler Problem?

I have a potterton 80 boiler and the low pressure light is on even though there is plenty of pressure in the s... [Read more]
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