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We have 668 questions about mending 'boiler not firing'

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Mend D.I.Y, General D.I.Y

How can I repair my vokera 20/80rs flowmatic boiler ?

My boiler suppies hot water for about 2 seconds and then runs cold have plenty of pressure built up but thermo... [Read more]
Mend Heating, Home Heating Systems

drayton digistat RF2 not heating?

I have a drayton digistat RF2 which has been working fine until today, I have the flame symbol visable but no ... [Read more]
Mend Heating, Home Heating Systems

worcester24i rsf-l combi not working?

heating did not come on when set and no hot water boiler not firing up
Mend Heating, Home Heating Systems

how can i fix my compact 29he?

The green light is flashing but boiler is not firing up there is no heating or hot water. the light flashing f... [Read more]
Mend Heating, Home Heating Systems

Why is my Vaillant ecoMAX828 so noisy?

The boiler works fine when firing up for central heating, and also for medium demand hot water. However, when ... [Read more]
Mend Heating, Home Heating Systems

how do i stop ideal isar he30 firing overnight?

i have moved into house with ideal isar boiler installed in bedroom cupboard. over night it fires for a couple... [Read more]
Mend Heating, Convector Heaters

Combi Boiler?

I have just had a Ferroli DOM Condense F24 combi boiler fitted and It is firing up for 20 seconds every 2 hour... [Read more]
Mend Heating, Home Heating Systems

constant firing up?

I have just had a Ferroli DOM/condense F24 combi boiler fitted and it keeps firing up for about 20 seconds eve... [Read more]
Mend Heating, Home Heating Systems

Ideal Stadard Isar?

On my ideal standard Isar boiler, I'm getting a fault reading "F" and "L" flashing and it's not firing. Can y... [Read more]
Mend Heating, Home Heating Systems

ideal isar boiler makes a bang upon firing?

hi my boiler makes a bang upon firing up .it is as if the timing is out . what i mean is that the gas build... [Read more]
Mend Heating, Home Heating Systems

Boiler not firing?

Our central heating boiler is not firing. The electrics are working. Any ideas what the problem would be?
Mend Heating, Home Heating Systems

Glow.worm Ultimate 120ff somtimes not firing up?

My Ultimate 120ff will sometimes not fire up. it hapens sometimes once a day sometimes it will run perfectly f... [Read more]
Mend Heating, Home Heating Systems

Biassi combi boiler won'r fire up?

My Biassi combi boiler suddenly stopped firing up. When heating or water is turned on, it sparks (until cutout... [Read more]
Mend Heating, Home Heating Systems

Baxi Boiler Only Firing up sometimes?

Hi all, Wonder if someone can help me ASAP. I have a old Baxi Boiler FS 601 which has a tank in the bedroo... [Read more]
Mend Heating, Home Heating Systems

problem with vokera 24 combi?

boiler cutting out when trying to switch heating on firing up then making gurgling noises for 10 secs then cut... [Read more]
Mend Heating, Convector Heaters

How can I reduce the pressure of an Alpha CB24 Boiler??

I have an Alpha boiler and the pressure is constantly over 2.5bars. The problem began after it was not fir... [Read more]
Mend Heating, Home Heating Systems

is there a problem with betacom 24?

have had betacom 24 fitted it seems to work fine but when heating onseems to be very noisy even when boiler st... [Read more]
Mend Heating, Home Heating Systems

Boiler still flashing red and green after repressurising system to 1.5 bar?

Hello.... I have an Alpha SY24 boiler...this evening i put the hot water on. Boiler fired up ok. However at s... [Read more]
Mend Heating, Home Heating Systems

Towerstat Receiver and Transmitter both look fine but boiler not firing up?

Hi I have a Towerstat RF fitted on a Heatline Boiler. Boiler appears fine, firing up for hot water etc wh... [Read more]
Mend Heating, Home Heating Systems

Radiators not working?

Gas supply on, themostat works, pump seems to be working, boiler firing up no heat at all from radiators what ... [Read more]

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