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We have 358 questions about mending 'firing boiler water'

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Mend Heating, Convector Heaters

Alpha cb24 boiler not firing?

My Alpha CB24 has stopped firing, (red constant light), after resetting, and switching the hot water, i hear t... [Read more]
Mend Heating, Home Heating Systems

How do I know that my pcb board is not working ?

I tried switching on my potterton performa 24 boiler for hot water and all I get is a sound and the boiler is ... [Read more]
Mend Heating, Home Heating Systems

My ferroli boiler is not firing up & we cannot get any hot water. ?

It has been reset but still no joy, the diagram seems to show that it is calling for water but there are no ta... [Read more]
Mend Heating, Home Heating Systems

my ariston boiler fires up then locks out ?

my ariston boiler fires up for hot water then after 5minutes locks out, on firing up the ignition is constantl... [Read more]
Mend Heating, Home Heating Systems

medway super boiler?

i have a main medway super boiler it is about 6 years old, when i turn the tap on it is firing up but no hot w... [Read more]
Mend Heating, Home Heating Systems

How can we get our Potterton firing up for hot water?

Our Potteron Kingfisher II boiler's pilot light is on but it won't fire up to give us hot water. Any ideas on ... [Read more]
Mend Heating, Home Heating Systems

honeywellST6300A?

just moved to new property have set the timer, put thermostat to 24 degrees but heating is not working. The bo... [Read more]
Mend Heating, Home Heating Systems

Urgent advice needed as my Gas boiler has a mind of its own!?

Iv moved into a huge Georgian town house apartment which houses an old; Potterton Kingfisher MF CF60 Boiler... [Read more]
Mend Heating, Home Heating Systems

how can i fix my boiler?

i have got vokera excell80e it is not firing up . pressure is reducing very quickly. as soon as i top up press... [Read more]
Mend Heating, Home Heating Systems

boiler not firing?

my worcester bosch greenstar 30cdi gas boiler (normal--NOT coombi) has digits 25(sometimes changes, like 20 or... [Read more]
Mend Heating, Home Heating Systems

How to stop hot water over run? Source spare parts? Eliminate air ingress?

Boiler is Myson Apollo 15/30. All its components check out to be working OK but the system pumps over when ho... [Read more]
Mend Heating, Home Heating Systems

noisey worcester 28 cdi?

Just after firing up the boiler gets noisey and the pressure shoots up. Found water coming out of air vent, is... [Read more]
Mend Heating, Home Heating Systems

boiler keeps turning off and on?

ravenheatcsi85 boiler heating keeps firing up and then turning off but hot water is ok
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

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

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]
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