How to mend ... Exactly Closed Boiler

vaillant vcw gb 242 eh boiler?

Can you please advise fault on dhw when hot water tap is opened boiler ignites runs for 10 secs then cuts out ... [Read more]

cant start ravenheat condensing primary boiler?

The boiler is under 2 years old,green light comes on when heat is called for and thats it.Fan spins for about ... [Read more]

boiler dumps water worcester bosch 240?

my boiler dumps water when the filler loop is compleatly closed ,then there is no pressure i then have to open... [Read more]

Boiler Greenstart 24i System falshing blue light ?

I have recently had an electrician change the Main fuse box and he has been turning on and off main electricit... [Read more]

loss of pressure in closed central heating system no leaks?

worcrster oil heatslave closed heating system loseing water pressure no leaks from pipework or radiators must ... [Read more]

my ferrolli 25 boiler is not working = the error code is 20 ?

my ferrolli 24 boiler isnt working - the error code is either 20 or 21 but the troubleshoot section of the man... [Read more]

ferroli modema 102?

there is no hot water or heating when these are asked for the boiler lock out red light comes on suspect saf... [Read more]

my new boiler is doing what my old boiler did-cutting out?

what could be the problem when you replace your boiler but get the exact same problems. we replaced our boile... [Read more]

Glow Worm Ultimate control unit fails to switch off pump?

I have a Glow Worm Ultimate Boiler which has a control unit with the following code ULT 100F(its about 10 year... [Read more]

Baxi Combi 105 HE Pressure Gauge Fault?

Hi, can anyone advise ... i can't seem to get my boiler to maintain a 'normal operating pressure' - i noticed ... [Read more]

Ferolli Optimax HE31C - Error code d1?

Hmmmm Newly installed boiler working fine for heating but when hot tap is run, after tap is closed boiler g... [Read more]

Glowworm 50FF cycles when system not calling for heat/water?

I have a Glowworm 50FF boiler. When the system is not calling for heat or hot water, ie. timer off and both mo... [Read more]

Hot water works but no central heating?

I have a potterton profile 80e boiler which heats the water but does not heat up the radiators. The problem oc... [Read more]

Worcester 240 delay in firing up main burner?

I have a worcester 240 RSF closed system. I have just taken the bolier off the wall for plastering work and r... [Read more]

How to repair my baxi solo wm40/4pf boiler?

I recently replaced the room thermostat for a new digital stat. thinking there was only 2 wires and a earth wi... [Read more]

Potterton Profile 60e not firing?

My profile 60e is not firing - not clicking either. Its a fully pumped system and the fan and (external) pump... [Read more]

My valiant turbo max combi boiler water pressure keeps going up to the max?

I have bled the system of water so that the pressure has gone below 1bar.on each occassion the system seems to... [Read more]

baxi 80 eco combi boiler?

The gas burner stays on all the time even when the hot water tap is closed.

Worchester Bosch 280 RSF will not supply DHW?

My boiler works OK when used on CH, but will not supply DHW when the boiler is cold, if the boiler has been he... [Read more]

How can I fix my Modena 102?

Domestic hot water is OK but when all hot water taps are closed - CHW standby flashes as normal but after 2min... [Read more]