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We have 612 questions about mending 'water not hot boiler fires up'

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Mend Heating, Home Heating Systems

my ravenheat rsf 84 et boiler?

can someone help me my reavenheat rsf 84 et boiler when you turn on the hot water the boiler fires up ok then ... [Read more]
Mend Heating, Home Heating Systems

Boiler fault ?

Calydra 80 heating working ok ,but hot water ,boiler fires after a few minutes the boiler stops fireing ,from ... [Read more]
Mend Heating, Home Heating Systems

no hot water or heating even though boiler fires up?

When I turn on my hot tap the boiler fires up but the water does not get hot, when I turn on thermostat the bo... [Read more]
Mend Heating, Home Heating Systems

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]
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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]
Mend Heating, Home Heating Systems

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]
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Worcester 28 i?

I have hot water but when heating comes on the boiler fires up for 2-5 minutes then the fan goes in overdrive ... [Read more]
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drayton wireless room stat?

I have a drayton wireless room stat controlling the heating. the boiler is an ideal icos. The trouble i hav... [Read more]
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Worcester 28i Junior Combi... Hot water but NO Heating ???

Hi everyone, We have a Worcester 28i Junior Combi which developed a fault this week. We have hot water fine b... [Read more]
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biasi boiler?

help,i have a BIASI RIVA M90E 24S and it has a problem..a short while ago i had central heating but no hot wat... [Read more]
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Intermittent hot water on Baxi 105e?

Hi,my boiler has developed a fault on DHW supply,when asked for hot water, system fires up runs for 30 seconds... [Read more]
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cant get boiler to stay on?

it fires up and then a little symbole in the middle comes on cant get hot water either
Mend Heating, Home Heating Systems

Potterton profile boiler fault?

My potterton boiler fires up and then shuts down after 10 minutes.Should i replace the gravity hot water/pump ... [Read more]
Mend Heating, Home Heating Systems

Ravenheat combi fires up Ok but keeps stop / starting?

My Ravenheat combi boiler fires up Ok for Hot water , shower or sink taps , gives proper hot water for approx ... [Read more]
Mend Heating, Home Heating Systems

Boiler performa 24 has no pressure?

I normally now and again have to feed some pressure to get the hot water correctly. So the other day I had go... [Read more]
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Ignition Problem with Halstead Quattro Boiler ?

I have a problem with a Halstead Quattro Boiler, When switching on the hot water and/or the heating, the ignit... [Read more]
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baxi 80 eco?

when on hot water and no taps running the boiler fires up for 10 seconds and shuts off and does this constantl... [Read more]
Mend Heating, Home Heating Systems

worster 350 boiler?

boiler works ok hot water heating fires for 3mins then goes out switch off for 5mins switch on switch on fires... [Read more]
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i have a linea 24 and when the hot tap is turned on the boiler fires up and?

instead of the water getting hot the heating gets hot. any ideas??? cheers
Mend Heating, Home Heating Systems

1980's Potterton boiler fires up, but radiators not heating?

My old boiler, regularly serviced, fires up, but the radiators don't get hot and I don't think the water is ci... [Read more]

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