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We have 339 questions about mending 'hot water not firing'

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Mend Heating, Home Heating Systems

boiler not firing ?

hi my regular conventional halstead hero 40 boiler wont fire up there is sometimes a dim light as if it is re... [Read more]
Mend Heating, Home Heating Systems

hot water ?

i have a medway super but when i turn on the hot water tap we dont get any hot or warm water ,but the boiler i... [Read more]
Mend Heating, Home Heating Systems

domi compact f 24 b firing up at random?

I have the above combi-boiler; it fires up at odd hours outside of the times for the central heating and no ho... [Read more]
Mend Heating, Home Heating Systems

ferroli optimax he 31 c d1 comes on display boiler not firing up correctly?

the boiler was fitted to existing system. central heating was working fine until bath tap turned on then water... [Read more]
Mend Heating, Home Heating Systems

brittony combi?

i have brittony combi that is firing up on hot water and intermittantly firing on and off on heating
Mend Heating, Home Heating Systems

How can I Fix?

How can I get my Vaillant Turbomax VUW 242/1E, 282/1E Boiler to fire up. Ignition light is on but its not firi... [Read more]
Mend Heating, Home Heating Systems

Phantom Boiler Operation at Night!?

I have a Potterton Profile 80E Boiler servicing my hot water and central heating. My timer system is Honeywel... [Read more]
Mend Heating, Home Heating Systems

Baxi Eco80 Combi Boiler?

Hi... I have a Baxi eco80 combi boiler which has been working fine until a couple of months ago. What is happe... [Read more]
Mend Heating, Home Heating Systems

my potterton performa 24 ?

my potterton performa 24 is having trouble firing up for hot water. its fine for heating. i found b4 if i ran... [Read more]
Mend Heating, Home Heating Systems

Advice on possible reasons for Combi Boiler problem?

I have a Worcester Bosch 28si Junior Combi Boiler, (3 years old). No problems until very recently when having ... [Read more]
Mend Heating, Home Heating Systems

problem with classic LXFF&FF fanned flue gas boiler?

We have hot water and the boiler is firing up but only staying on for 30 >60 seconds.. the radiators upstairs ... [Read more]
Mend Heating, Home Heating Systems

hot water not firing when required?

dhw not working when required on third dhw thermistor so this time checked the micro switch on three way valv... [Read more]
Mend Heating, Home Heating Systems

how to get boiler off of lockout mode?

when i put my heating or hot water on the boiler goes straight to lockout. also sounds like its not firing up ... [Read more]
Mend Heating, Home Heating Systems

I have no hot water?

I have a vokera compact boiler which is providing heating perfectly fine but i have no hot water, the boiler s... [Read more]
Mend Heating, Home Heating Systems

My Potterton EP2002 controller lights are on but not firing hw or ch?

My Potterton EP2002 controller lights are on but not firing hot water boiler or central heating. I only had it... [Read more]
Mend Heating, Home Heating Systems

Heatline C24 not firing up!?

Can anyone help please... I have a Heatline C24 boiler which is now just over 3years old. It has started pl... [Read more]
Mend Heating, Home Heating Systems

Healine C24 not firing-up?

Hi, Can anyone help please... I have a Healine C24 boiler which is now just over 3years old. It has sta... [Read more]
Mend Heating, Home Heating Systems

Sabre 25HE DHW Problem?

My son's Sabre 25HE has a DHW problem in that the water runs hot and then the boiler stops firing and runs col... [Read more]
Mend Heating, Home Heating Systems

Why does my Prima F sometimes run all night when timer has clicked off?

When the timer switch on my control panel clicks off at night, sometimes my Prima F keeps on running and firin... [Read more]
Mend Heating, Home Heating Systems

halstead ace30 HE no hot water?

had a leak from the hydroblock and it needed replacing, the parts cost me £160. i got hot water at first and ... [Read more]
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