How to mend ... Boiler Not Firing Up

Thermostat not triggering my boiler?

The boiler is firing up as normal to heat the water tank, but its as though the thermostat is telling the boil... [Read more]

Worcester Bosch 240 RSF not firing?

Worcester Bosch 240RSF combi boiler. Soft water, high mains pressure. Here's the problem: I had replaced th... [Read more]

What causes my Baxi Back Boiler to knock (bang) when Hot?

Boiler knocks when first firing up and then when hot without hot water being used. Could it be scaling in boi... [Read more]

How can i fix my ideal classic ff250 boiler?

I have a IDEAL CLASSIC FF250 central heating boiler that has stopped working - when the ignition switch is put... [Read more]

plumber said there is water in tank?

hi we are having problems with are warm flow boiler are plumber said we had water in are tank he drained it a... [Read more]

heatslave 20/25 boiler not working and the reset button is not lit up. ?

I have a heatslave 20/25 boiler. I have no hot water and the heating is not working. It sounds as though the b... [Read more]

glow worm energy saver 40 no hot water or heating?

my boiler has been working fine today its not firing up for some reason, the orange light is on but neither of... [Read more]

Vokera 80SP question?

The boiler works fine both HW and CH, but the operation sequence seems not quite right. When CH is selected, i... [Read more]

WHY'S MY VAILLANT BOILER NOT FIRING UP?

My Vaillant boiler isn't firing up when heating is turned on or when hot water taps are turned on. All the se... [Read more]

Boiler firing up when not on cycle?

I have what looks like a fairly old-fashioned heating system. There is a gas back boiler behind the fire in th... [Read more]

Ferrole Sigma60-100 on/off?

Had a fault on a sigma today, and replaced air pressure switch. The boiler then worked ok.....untill tonight w... [Read more]

boiler not firing going to lock out?

no flame detection, misfiring safety feature

none firing kerosene boiler?

my boiler on fire's for a short time and can not burn for the time it's ment to heat the house and hot water

vaillant turbo max VUW 242 E not firing for hotwater/heating?

The Combi boiler is 1 year old and is giving problem with hot water and heating. Any suggestion? Would it be c... [Read more]

Worcester bosch 24i not going ON automatically?

Hello, I want to share how i fixed my boiler - worcester 24i. Issue: the boiler would not go on when... [Read more]

vailant turbomax 242 overheating?

I have a 10 year old Vailant Turbomax 242 boiler which works fine in all respects except that if I leave the ... [Read more]

modulating gas valve?

on firing up the boiler it modulates after about 6-7 seconds then cuts out flashing up f4. ive increased the i... [Read more]

Big bang on ignition?

Hiya, I have got Ferrolie Optima condensing boiler installed less than 2 years ago, now it is making banging n... [Read more]

no dhw or ch?

havent got any of the above but boiler is firing and pump is running on my worcester 24si11

How can I reignite my Ideal Classic FF280 boiler?

My Ideal Classic FF280 boiler is not igniting/firing up. Was told it was probably the pressure and given inst... [Read more]