How to mend ... Boiler Getting Off

thelia 23 boiler. No hot water upstairs when heating is on?

I have a Saunier Duval combi boiler, Thelia 23. Hot water works fine upstairs and down when the heating isn't... [Read more]

Sime super 90. No hot water. Won't fire up?

hi, The central heating (radiators) is fine although, for quite a while now the switch clicks on and off a f... [Read more]

my radiators are all working, but cannot get any hot water out of taps?

my boiler make is baxi combi boiler 80E

Worchester 9.24 RSF Combination Boiler not firing up?

Worchester 9.24 RSF Combination Boiler, polit lights but main burner doesn't fire up, will fire up on hot wate... [Read more]

Ferroli optima 701 time clock?

The clock on my 701 keeps tripping out to zero so the boiler will not fire up in auto so i have to keep resett... [Read more]

sime 80 format boiler-no hot water?

Can anybody help my water no longer heats up. The radiators are working fine so i presume this can be fixed. W... [Read more]

ferroli optima 700 water pressure problems?

hi the water pressure on the boiler is reading below 1 bar when its topped up to above that and the heatings o... [Read more]

vokera excel 80e going to lockout will not fire?

boiler ( vokera excell 80e) will not fire, pump running, boiler goes to lockout, boiler instructions says swit... [Read more]

I have a camray 2 oli fired boiler and it is stuck on lock out help!!!!!?

Our Camray 2 boiler ran dry and some of the "crud" from the bottom of the tank has got into it (it's happened ... [Read more]

timer is off, but still the boiler comes on?

I have a Potterton boiler and although the timer is off, the boiler still comes on. I had the same problem yea... [Read more]

How do i turn on the radiators?

i have a sime 80c format boiler and i don't know how to turn the heating for the radiators on. I have tried pr... [Read more]

how do i stop the boiler losing pressure?

the boiler pressure keeps droping ,i have already had the relief valve changed to no effect the pressure fluct... [Read more]

I have a GEM combi Gas boiler ref G C No 4717701?

The heater is not working effectively and the hot water no longer works. I was told the this boiler is very o... [Read more]

Classic Boiler Overheat?

I have a Classic FF 250 that seems to switch off after 75 mins. The LED on the PCB goes out and nothing works ... [Read more]

my potterton suprima central heating/water heating wall mounted boiler?

The red light is flashing. When I press reset the green light flashes & then goes back to red.

No Hot Water?

The hot water on my boiler goes cold if I am running the water continuously for around 5 minutes with the heat... [Read more]

vokera combi linea 28?

when calling for heat or hot water boiler burner comes on for a few seconds then shuts down this continues why... [Read more]

Can you turn the water temperature down?

Is it possible to turn down the central heating water temperature on a glow worm 100p boiler.At the moment my ... [Read more]

How do I remove PCB board?

The 407677 pcb in my potterton profile 40 is faulty ( thanks to this site for finding answers to symptoms). I ... [Read more]

OCEAN COMBI BOILER STYLE FF...pilot not staying on?

Help please Pilot light will not stay on once button released. Have replaced thermocouple (general type from... [Read more]