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We have 339 questions about mending 'hot water firing'

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Mend Heating, Home Heating Systems

Problem with firing up potterton puma 80 boiler?

Hi, I wonder if anyone can help me fix this: THe pilot light is on and strong, the pressure is fine, but the b... [Read more]
Mend Heating, Home Heating Systems

Problems with firing up potterton puma 80?

Hi, I wonder if anyone can help me fix this: THe pilot light is on and strong, the pressure is fine, but the b... [Read more]
Mend Heating, Home Heating Systems

pro combi 100 HE boiler?

green light is flashing as if on, makes a noise however sounds like pump not working as not 'firing up'. less... [Read more]
Mend Heating, Home Heating Systems

Ravenheat Combi Boiler problems?

I have a Ravenheat CSI 120(T) low nox boiler installed 29 October 2010. Since then I have had four visits fro... [Read more]
Mend Heating, Home Heating Systems

netaheat 10-16 combi not firing up?

ignition working but fails to light leaving me with no hot water or heating, any help appreciated
Mend Heating, Home Heating Systems

how can i fix my worcester 240 combi?

my worcester bosch deos not stay firing up it keep coming on & switshing off at all time it is turned on ... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI85A Condensing Boiler?

My Ravenheat CSI85A boiler fires up for a few seconds then shuts off and goes through the process of firing up... [Read more]
Mend Heating, Home Heating Systems

Ravenheat combi?

Hi Peeps need a bit of advice. no hot water or heating this morning. The boiler keeps firing up and you see th... [Read more]
Mend Heating, Home Heating Systems

Fluctuating Pressure on Baxi 105E?

I recently had the expansion vessel replaced in my baxi 105e. (due to high pressure when heating on) . Now the... [Read more]
Mend Heating, Home Heating Systems

Baxi berm 401 pilot light on but not firing up? HELP PLEASE !!?

heating and hot water calling for boiler, the pilot is on but its not firing up?? any help would be apprec... [Read more]
Mend Heating, Home Heating Systems

Hot water but no heating?

The hot water is working fine but the boiler is not firing for the central heating, any ideas? We have a ac... [Read more]
Mend Heating, Home Heating Systems

Ravenheat Little Star LS100 problem?

I have had a few problems with this boiler for the last year in that the DHW is only hot when it feels like it... [Read more]
Mend Heating, Home Heating Systems

what could be the problem!!?

I have been servicing a vokera maxin 28e boiler,all the work is complete and all the pressures are correct to ... [Read more]
Mend Heating, Home Heating Systems

how to fix my biasi riva compact he model m98 24sm/c2?

Biasi Riva compact HE, Model M98 24SM/C2. Not firing red and green CH indicator lights flashes continuasly, no... [Read more]
Mend Heating, Home Heating Systems

Vaillant ecotec heating water but not radiators?

I have a Vaillant ecotec boiler. I'm getting hot water from it, and it's evidently receiving instructions fr... [Read more]
Mend Heating, Home Heating Systems

lost manual F22 and F25 codes?

Hi, can anyone help? New boiler working fine on the hot water side ..now have tried to put on CH..fine for x2... [Read more]
Mend Heating, Home Heating Systems

how to fix my ravenheat csi85at boiler?

will not fire either dom hot water or central heating , spark firing , fan running no main fire
Mend Heating, Home Heating Systems

how can i fix my boiler?

My baxi combi 105he started playing up the other day not firing up for heating and hot water. The warning ligh... [Read more]
Mend Heating, Home Heating Systems

help help help?

Please someone help we have had about 4 heating techs out all safe gas registered and no one can help its cost... [Read more]
Mend Heating, Home Heating Systems

how to fix my vokera mynute 14e?

i have recently moved house and now have a 14e boiler that is not working. I can hear the fan, but its not fir... [Read more]

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