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We have 225 questions about mending 'main boiler hot'

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Mend Heating, Convector Heaters

problem with Sime 105 Super Mk 2?

Hi, I have a problem (again) with my Sime combi boiler. When the burner flame switches off on either heating o... [Read more]
Mend Heating, Home Heating Systems

No power to boiler?

Help! I have an Ideal Icos HE24 boiler and last night it decided to stop working. When I checked it this morn... [Read more]
Mend Heating, Home Heating Systems

Potterton Prima 50 F main burner will not remain on?

I've got a twelve or thirteen year old Prima F which has run reliably until the last year or so. I fixed the u... [Read more]
Mend Heating, Home Heating Systems

no hot water upstairs?

when i turn on the shower or bathroom tap, the water is cold for a minute, then quite hot for a minute, then r... [Read more]
Mend Heating, Home Heating Systems

Boiler problem - Myson Apollo 50s?

My boiler has stopped heating and my engineer is stumped. I have a small baby and need the heating on asap (t... [Read more]
Mend Heating, Home Heating Systems

Potterton Kingfisher MFL lockout?

boiler is locking out occasionally (once a day). Prior to lockout all radiators get VERY hot and there seems ... [Read more]
Mend Heating, Home Heating Systems

main combi 24 he?

main combi 24 he? We have an erratic problem with the red flashing burner fail light. Heating fails and we ha... [Read more]
Mend Heating, Home Heating Systems

Main HE 24 Combi Smells of egg when hot water is run?

My friend has a Main HE 24 Combi and it really smells like rotten eggs, but not gas, when the hot water is run... [Read more]
Mend Heating, Home Heating Systems

how can i fix my 16/22 potterton ?

16/22 boiler does not work properly after half an hour of switching on, comes on okay heats up the radiators b... [Read more]
Mend Heating, Home Heating Systems

Potterton puma 100 trips electric?

My 10 year old potterton puma 100 combi boiler will not work, no hot water, no heating (its b????? cold), repl... [Read more]
Mend Heating, Home Heating Systems

cold/luke warm water?

I have a main medway multipoint boiler.I turn on the hot water tap, warm water to start with then goes cold ev... [Read more]
Mend Heating, Home Heating Systems

NO PILOT LIGHT ON GLOW WORM ELITE 21 PLUS BOILER?

THE BOILER IS BY GLOW WORM , THE MODEL IS ELITE 21 PLUS (SERIAL NUMBER (01013677) I CHANGED PILOT INJECTOR AND... [Read more]
Mend Heating, Home Heating Systems

main combi 24 he?

We have an erratic problem with the red flashing burner fail light. Heating fails and we have no hot water. Bo... [Read more]
Mend Heating, Home Heating Systems

Vaillant GB2 EH - Got DHW but no CH and its freezin!?

Hi Guys - am in desperate need for tips on how to fix our Vaillant VCW-GB-282 EH Combi. Installed about Apr 19... [Read more]
Mend Heating, Home Heating Systems

Vaillant 828 / 2e Boiler hot water issue?

Hi I need help, I have a vaillant 828/2e turbomax boiler and I'm having problems with getting constant hot wa... [Read more]
Mend Heating, Home Heating Systems

ariston sx20 mffice not working?

when turning on heating or hot water i can hear fan running but no flame. if i remove main front cover with li... [Read more]
Mend D.I.Y, Plumbing

loss of hot water?

I recently had a radiator replaced,which necessatated the draining down of the whole system. after refilling t... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI 85AT Boiler. Central Heating not working?

After switching the setting on my Ravenheat CSI 85AT Boiler to Central Heating and Hot Water (its been set to ... [Read more]
Mend Heating, Home Heating Systems

Potterton profile 50e pilot light on but no main burner?

it had been on a twice daily hot water cycle during hte summer, when the wife complained the water wasn't very... [Read more]
Mend Heating, Home Heating Systems

My Potterton Profile 60e LPG will not fire up?

When the heating or hot water triggers, the fan starts, the lighter clicks and the pilot lights up, but the ma... [Read more]
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