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Mend Boiler 25 Water

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We have 132 questions about mending 'boiler 25 water'

How to mend ... Boiler 25 Water

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Mend Heating, Home Heating Systems

Can I put a room thermostat on an old Elite 50 boiler!?

I have an old elite 50 boiler which does not have a room thermostat. This means that when the boiler is on the... [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 Heating, Home Heating Systems

hot water for vokera he 25 compact combi boiler?

Hi The hot water stays on for approx 3 mins then cold for approx same time any advice please
Mend Heating, Home Heating Systems

what is wrong?

i have a johnson&starley boiler j 25-32 mk3 modairflow hot water not switching of automatically only manual... [Read more]
Mend Heating, Home Heating Systems

How can i fix an air lock in my heating system?

We had a new oil boiler fitted (Worcester greenstar heatslave 18/25)in jan this year (2009), occasionaly their... [Read more]
Mend Heating, Home Heating Systems

Help with SABRE HE25 COMBI BOILER- RED LIGHT OF DEATH?

Hi, Im after some advise and hoping someone can maybe help me (please!) I have a Sabre HE25 Combi Boiler (sa... [Read more]
Mend Heating, Home Heating Systems

how can i fix vaillant ecomax combination boiler?

i have no hot water or heating the fault shows numbers f21 34 25 50 48
Mend Heating, Home Heating Systems

How can I fireup my Ferroli 102 (0208L83093)?

Hi all desperately need your help! My Ferroli boiler system was working absolutely fine, in th morning couldn... [Read more]
Mend Heating, Oil Filled Radiators

how do I change the diverter valve on my worcester 20 / 25 combi boiler?

The diverter valve on my worcester heatslave 20/25 combi boiler is stuck in the hot water position. how do I r... [Read more]
Mend Heating, Home Heating Systems

no flames for hot water?

I have a pilot light, but the burners will not light when turning the water (hot tap) on. I cleaned out the ... [Read more]
Mend Heating, Home Heating Systems

how to ruduce the boiler pressure?

My pilot light goes out when i run hot water tap,it appears the pressure should seven bar, but now its jumping... [Read more]
Mend Heating, Home Heating Systems

why is lockout light on my boiler?

i have a worcester heatslave 20/25 oil boiler and the lockout light has come on and now the water will not hea... [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]
Mend Heating, Home Heating Systems

bosch worcester 20/25 hot water stop cock?

hi all. got a leaky tap in an old house, nothing unusual there, unfortunatly a couple of problems arose on the... [Read more]
Mend Heating, Home Heating Systems

boiler not firing?

my worcester bosch greenstar 30cdi gas boiler (normal--NOT coombi) has digits 25(sometimes changes, like 20 or... [Read more]
Mend Heating, Home Heating Systems

No water in hot water tank?

Hi there, I have a problem... lol I'm afraid I'm going to err on the side of giving too much information... [Read more]
Mend Heating, Home Heating Systems

sabre he 25 fault?

my sabre he 25 boiler once reset from the mains will initially fire up and give hot water for a limited time t... [Read more]
Mend Heating, Home Heating Systems

boiler worcester 400 vessel bar pressure fluctuates?

hi my computer been down anyway now fixed bolier not pressure seems to go up and down bar between 1 and 4 and ... [Read more]
Mend Heating, Home Heating Systems

halstead ace high over pressurising?

I have a 5 year old Halstead Ace High boiler recently when the central heating is running the pressure has bee... [Read more]
Mend Heating, Home Heating Systems

Worcester Heatslave 20/25 Oil Combi Boiler?

Help, Our Worcester Heatslave 20/25 boiler has been playing up again recently. Over the past 14 months we hav... [Read more]
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