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We have 1627 questions about mending 'boiler hot working'

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Mend Heating, Home Heating Systems

Hot Water Problem?

i Have Ariston Micro Combi Boiler 23MFFI it Do Not Give Hot Water but Centeral Heating Working Fine Bisicaly i... [Read more]
Mend Heating, Home Heating Systems

Glow Worm 30ci - got hot water but no C.heating?

Firstly just like to say thanks to all that help on here. I am fairly competent with this kind of stuff, and ... [Read more]
Mend Heating, Home Heating Systems

biasi garda m90f.28s combi boiler purchased 2003?

the boiler will not fire up today is the 3rd time this as happened today we went out and the heating was wor... [Read more]
Mend Heating, Home Heating Systems

why does the DHW work and not the Central Heating Worcester 24i rsf combi ?

the pressure is fine the boiler fires up when you run the hot water but the CH is not working. Have put it on ... [Read more]
Mend Heating, Home Heating Systems

how can i fix my fan?

my fan has seized on my Optima Ferroli boiler, i have no hot water or central heating... is there a way i coul... [Read more]
Mend Heating, Home Heating Systems

Hot water but no heating?

Hi i have a fully pumped two valve system which until recently has been working reasonably well, I say reasona... [Read more]
Mend Heating, Home Heating Systems

central heating/hot water not working?

how can i fix it my combi boiler is vokera excell 80sp i think pressure switch not working?
Mend Heating, Home Heating Systems

what is wrong with my Vaillant Sonnet 18?

The hot water is working fine but the heating system is not working. Can you tell me why, as it is a very old... [Read more]
Mend Bathroom Appliances, Baths and Showers

Temperature on Mira Excel B running hot and then cold?

Mira Excel B shower working off Combi Boiler, water pressure is good, but temp keeps going up and down. Have f... [Read more]
Mend Heating, Home Heating Systems

Has the Fan Assembly truly failed?

Hello all I have a Glow Worm Ultimate 120FF boiler that serves the central heating in my home. The system ... [Read more]
Mend Heating, Home Heating Systems

Main combi 24HE FLAME ERROR NO HEATING OR HOT WATER, PRESSURE IS AT 0, HELP?

hi can someone please help, our boiler isn't working, there is a flame error and the pressure gauge is at 0, w... [Read more]
Mend Heating, Home Heating Systems

sime 80 combi boiler cutting out?

my boiler fires up for about fifteen seconds then goes off for five mins so the rads get warm but never get ho... [Read more]
Mend Heating, Home Heating Systems

How can i fix my 38cxi ultracom?

Has any one had problems with their cxi ultracom hot water not staying hot when trying to run bath or shower h... [Read more]
Mend Heating, Home Heating Systems

heatline c24 boiler faulty?

how can i fix my boiler,the boiler is working and the hot water is ok but the raditors is not working.
Mend Heating, Home Heating Systems

How can I get my Glow Worm Ultimate 100FF boiler working?

I have a sealed water sytstem with a pressurised Megaflow hot water tank. Occassionally the system pressure j... [Read more]
Mend Heating, Home Heating Systems

What are the symptoms of a faulty boiler stat ?

My boiler seems to be running for very short periods and the central heating hot water is not getting to the f... [Read more]
Mend Heating, Home Heating Systems

Biasi boiler, have hot/warm water but no heating!?

biasi boiler is working for hot water (althouh the hot water doesn't get very hot) but not working for heating... [Read more]
Mend Heating, Home Heating Systems

ferroli domicompact F30 B boiler not working?

I have a ferroli domicompact F30 B boiler but it will not work all I did was turn off the power to kitchen plu... [Read more]
Mend Heating, Home Heating Systems

Boiler switches off water heating when the central heating is due to come o?

When the heating is timed to come on the light flashes but no heat appears and at the same time the water ceas... [Read more]
Mend Heating, Home Heating Systems

Problem with Ferroli boiler?

My Ferroli boiler was working fine but then showed fault F35 which is problem with electrical mains. I reset t... [Read more]

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