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We have 1497 questions about mending 'boiler not running'

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Mend Heating, Home Heating Systems

Vaillant Ecotech Plus 831 F22 fault?

I've been having problems for 3 weeks now, and on the 3rd plumber, and still not fixed. First had F75 fault a... [Read more]
Mend Heating, Home Heating Systems

Worcester green star Ri blue light flashing?

Hi, had someone look when the boiler would not come on at all, they said main Pcb and transformer. I have repl... [Read more]
Mend Heating, Home Heating Systems

how to regulate gas?

hi thanks for all the replies the boiler was actually having a high burning flame then a low burner so it was ... [Read more]
Mend Heating, Home Heating Systems

Fan is running constantly when boiler is not in use?

Ferroli Optimax HE 31C boiler. No fault code showing
Mend Heating, Home Heating Systems

Rattling/knocking from Baxi Combi Instant 80 HE ?

My 93 year old mother-in-law's boiler gets a very loud knocking/rattling from the central heating system when ... [Read more]
Mend Heating, Home Heating Systems

Hot water supply?

Vaillant 828 Eco Max. Boiler. When running hot water for a bath or to fill the sink the water goes from hot to... [Read more]
Mend Heating, Home Heating Systems

Glow worm 30sxi reaches 3.5 bar ?

I've changed the PRV and pressurised the system back up it fires up and runs but when the timer stops the over... [Read more]
Mend Kitchen Appliances, Gas Cookers

diplomat gas cooker no gas?

Just had new combined boiler fitted.cooker no gas running to cooker.all other gas alliances working fine.think... [Read more]
Mend Heating, Home Heating Systems

pressure relief valve?

i have a chaffoteaux britony combi se80 boiler. i have water running out of the overflow pipe pressure drops a... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Glowworm 70FF boiler?

Hi. My boiler does not always start running when the programmer and thermostat are both "ON". The programmer l... [Read more]
Mend Heating, Home Heating Systems

pump running but boiler not lighting ?

Green light on boiler panel flashing very fast pump appears to be running but boiler won't light switch power ... [Read more]
Mend Heating, Home Heating Systems

New Vokera Compact 29a making squealing noise?

My vokera compact 29a boiler is only 3 months old. Recently it has started making loud squealing type noises w... [Read more]
Mend Heating, Home Heating Systems

Can I use heating without transmitter?

I have a Worcester Greenstar CDi combi boiler and the transmitter is broken. I wanted to know whether I should... [Read more]
Mend Heating, Home Heating Systems

i have Halstead Ace Gas combinatiion Boiler?

the Hot water Light & boiler are running all the time, evening with the timer off. if put the heating on, the... [Read more]
Mend Heating, Home Heating Systems

Ferroli Modena 80E constantly running?

Hi Guys Bit of an odd one - my Ferroli Modena 80E boiler just started running last week of its own accord. ... [Read more]
Mend Heating, Home Heating Systems

Ferroli Modena 80E cycling on and off?

Hi Guys Bit of an odd one - my Ferroli Modena 80E boiler just started running last week of its own accord. ... [Read more]
Mend Heating, Home Heating Systems

halstead he30 boiler?

just recently when the hot tap is turned on initially hot water comes out for approx30 seconds and then starts... [Read more]
Mend Heating, Home Heating Systems

whats wrong with my ferroli modena 102 combi boiler?

Boiler not running _no heating or hot water. Fan not working, willnot lite .water at 1.5bars . Showing lockou... [Read more]
Mend Heating, Home Heating Systems

biasi riva plus he combi boiler?

biasi riva boiler, no hot water or central heating, no ignition. heard a popping sound when hot was running th... [Read more]
Mend Heating, Home Heating Systems

Pressure rising to high ?

Hi. I have a Worcester 24i junior combi boiler and the pressure is rising all the time and the water is runnin... [Read more]

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