How to mend ... Boiler Will Sometimes Not Fire Up

Potterton Envoy 40 - lockout?

Could someone please suggest a remedy - I have this Envoy 40 boiler which doesn't seem to be able to fire up p... [Read more]

Why has my potterton profile stopped heating the hot water?

My potterton profile boiler will not fire up to heat the hot water, the overheat thermosat has popped out. Ho... [Read more]

Ravenheat Fanned Combi RSF 82ET - Flame Failure?

My Ravenheat Combi works fine most of the time but occasionally it locks out with the yellow flame faliure lig... [Read more]

Valiant boiler hot water? (boiler name is saunier duval sd623)?

i have just moved into a new property and as you can imagine a little low on funds to call out a heating engin... [Read more]

no spark and pressure defferential switch does not open?

My vaillant turbo max 242E vuw boiler does not spark; the water pressure defferential switch does not open up ... [Read more]

why dose`nt my why water heat up(baxi combi instant 105e)?

my preheat on my baxi combi instant 105e works fine ,but when i turn on the hot water tap the boiler won`t fir... [Read more]

glowworm ultimate?

controls calling for heat, boiler will not fire, fan not working hence nothing else happens, should ther be po... [Read more]

what is wrong with my glow worm fuelsaver mk11 boiler?

The pilot light stays lit, but the boiler doesnt fire into action when the heating or water are turned on. ... [Read more]

Problem with Potterton 80e?

Potterton 80e DHW problem. When I turn on hot tap boiler does not start. If I turn tap off & back on about 1... [Read more]

vokera maxin 24?

the boiler fires on low fire on both heating and hot water, no volts on modu reg coil.

volkera 28 problem?

just replaced the main pcb and the boiler wont fire, 08 flashing, any ideas

i can get hot water but no c.h. baxi condencing boiler?

i can get dhw but the boiler will not fire up when i switch to c/h

how can i fix?

i have a baxi solo 2 50 RS the pilot light is on but the boiler doesn't fire, do you know why this could be ha... [Read more]

How can I fix my boiler?

I've got an Ariston boiler. The green light comes on and off after a few minutes. Then the red "traingle" sig... [Read more]

Whats wrong with my ferroli optima 2000 boiler?

My ferilli optima 2000 will fire up but as the boiler ignites it immediately shuts off and the ignition fail l... [Read more]

whats up falcon ferroli boiler?

my ferroli boiler works on hot water but wont wont fire up on heating i have replaced heating thermistor?

Valiant boiler hot water?

i have just moved into a new property and as you can imagine a little low on funds to call out a heating engin... [Read more]

ravenheat rsf820/2t?

boiler wont fire when asking for hot water.in summer/winter mode or just summer mode.can only get hot water if... [Read more]

My Potterton Performa 24 stopped firing (No Hot water - NoHeating)?

I have potterton performa 24 just above 2 years old combi boiler. It was working fine untill started playing u... [Read more]

No hot water when you turn on the tap(Vaillant 242e combi boiler)?

When I turn on the tap for hot water, the boiler does not fire so to overcome this I turned the CH up full to ... [Read more]