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Mend 25 Central Heating

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We have 44 questions about mending '25 central heating'

How to mend ... 25 Central Heating

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Mend Heating, Home Heating Systems

Siemens RDJ10RF shows incorrect temperature?

Hi there, can anybody shed any light on this problem- we have siemens rdj10rf wireless remote to operate centr... [Read more]
Mend D.I.Y, Plumbing

Keston 25 Celsius?

The pilot light flashes on and off all the time The central heating is not working. And the water is not ... [Read more]
Mend Heating, Home Heating Systems

No hot water or heating on every morning . why I am forced to reset?

R 25 He combi giving low temperature hot water, but central heating working.And during morning no hot water o... [Read more]
Mend Heating, Home Heating Systems

hot water but no central heating on heatslave 18/25?

we had a pressure problem now we have ridiculously hot water but no radiator heat
Mend Heating, Home Heating Systems

Turning stop cock off when ch programme is on on holiday?

I have a Worcester Heatslave combi oil boiler 20/25 When I go away on holiday and leave just the programmed ce... [Read more]
Mend Heating, Home Heating Systems

no domestic hot water?

Same as John we only get warm water for a short time but central heating is fine. My boiler is a Ferroli Sun S... [Read more]
Mend Heating, Home Heating Systems

Worcester Heatslave 20/25 Combi-boiler?

Our Worcester heatslave 20/25 combi-boiler seems to have a mind of its own. The hot-water sometimes takes age... [Read more]
Mend Heating, Home Heating Systems

i have a worcestor 25 cdi?

central heating is ok. just no hot water .
Mend Heating, Home Heating Systems

how to fix valance 835 boiler ecomax?

Error code f.25 and f28 are coming up. When power is switched on the temp rises to max 100degrees and then go... [Read more]
Mend Heating, Home Heating Systems

Worcester Heatslave 20/25 problem?

Worcester heatslave 20/25 oil combi boiler 8 years old problem as follows, with hot water only selected o... [Read more]
Mend Heating, Convector Heaters

Locating replacement timer for Thorn M56/76B central heating boiler ?

I know our central heating boiler is old - say 25 yrs+ - but does anyone know where I might look for a replacm... [Read more]
Mend Heating, Home Heating Systems

worcester heatslave 20/25 central heating but no hot water?

Hi, my central heating works fine, but no hot water. I had to turn the hot water dial to off, because when the... [Read more]
Mend Heating, Oil Filled Radiators

worcester heatslave 20/25 central heating but no hot water?

Hi, my central heating works fine, but no hot water. I had to turn the hot water dial to off, because when the... [Read more]
Mend Heating, Home Heating Systems

Worcester Oil Boiler?

I have a Worcester Danesmoor SLPJ 20-25 oil fired boiler which is fitted with a twin channel programmer and Ho... [Read more]
Mend Heating, Home Heating Systems

Worcester heatslave 20/25 fault with fan?

Hi, my boiler fan is running all the time, even when hot water / central heating is off. Everything else seem... [Read more]
Mend Heating, Home Heating Systems

How can I make the central heating start?

What does the code d2 mean on the ferroli optimax HE31C combi boiler? The hot water works well. We have put ... [Read more]
Mend Heating, Home Heating Systems

no hot water in combi?

i have a vailant combi boiler roughly 25 years old, everytime i turn the hot water on the central heating come... [Read more]
Mend D.I.Y, Plumbing

No central heating?

i have a worcester cd28i and it is that time of year to turn the heating on . i have had some rads changed and... [Read more]
Mend Heating, Oil Filled Radiators

the radiators are hot, but the heating is off??

My Heatslave 20/25 is showing that its heating the hot water but the central heating is switched off. However ... [Read more]
Mend Heating, Home Heating Systems

re Worcester Boiler 9.24 Electronic. RSF?

The boiler is running in CH and Hot water mode. The boiler temp is set at just 2 or 3 on the main control. A... [Read more]
Pages 321

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