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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

glowworm spacesaver 38?

I have a glowworm spacesaver 38,the central heating works fine but no hot water through any tap
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

i need help to get hot water without central heating on?

i can only get hot water when i put the central heating on otherwise no hot water...can someone please advise ... [Read more]
Mend Heating, Home Heating Systems

Ferroli Modena 80e 9925l80478?

The central heating and hot water is not working as the red warning light comes up stating insufficent central... [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

vaillant heater?

why does my water only run hot when central heating on, won't come on otherwise
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

central heating wont work?

I have a worcester 28cdi the hot water work's but the red light for the heating wont come on and the radiators... [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]
Mend Heating, Home Heating Systems

How can I fix my Glow-worm Fuelsaver 40B MkII?

Over the last few days the pilot light has been going out without warning, and has been very difficult to reli... [Read more]
Mend Heating, Home Heating Systems

Boiler works but doesn't get CH to required temp?

My Alpha 240E boiler will produce hot water and some heat for central heating but it goes on for a bit then st... [Read more]
Mend Heating, Home Heating Systems

how can I fix my baxi bahama 100 combi boiler??

It will ignite and run on both hot water and central heating but only for 15 seconds then shuts down,PLEASE HE... [Read more]
Mend Heating, Home Heating Systems

Why does the hot water on my Ravenheat boiler sometimes come out cool?

A Ravenheat 820/20 combi boiler, had diverter valve diaphragm replaced last year as it had perished, now occas... [Read more]
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