How to mend ... Boiler Closed Heating

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]

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]

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]

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]

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]

Pressure rising in central heating system?

I have a Ferroli combi boiler which has worked fine for the last 8 years. However it has recently begun to giv... [Read more]

how can i fix my vaillant turbo max 282?

i have a vailant vuw282 turbo max the heating system works fine, but the running water isnt getting up to temp... [Read more]

Heatslave 15/19 boiler - keeps kicking in?

i All, We have a heatslave 15/19 which was fine until a couple of days ago. A guy came round from the water... [Read more]

potterton 50el - heating but no hot water (cont.) - bump?

Hi Hi-spec, Hi Ray, Thanks again for your advice.... but i still have this problem. I have been away for... [Read more]

Vaillant ECOTEC COMBI headache?

Ive had fitted a brand ne Vaillant Ecotec combi, hot water works fine heating doesnt, it cycles on and off for... [Read more]

105e over pressure?

my baxi 105e goes to about 3 bar when central heating is on this causes the pressure relief valve to operate a... [Read more]

My boiler clanks!?

I have a Potterton Puma 80e and some time ago I accidently closed a (air?) valve to my boiler which caused the... [Read more]

what could be wrong with my boiler?

I have a glow worm compact electronic 100.The central heating works fine but but hot water is a hit and miss. ... [Read more]

Vaillant VCW GB 242 EH - burner keeps burning with Heating off and DHW Off?

DHW works fine, Boiler on with tap opened, off with tap closed, but reignites after a few seconds on low flame... [Read more]