How to mend ... Boiler Central Heating Cold

Glow-Worm 30cxi combi boiler. No hot water.CH ok?

Turning on hot tap produces 30 secs.tepid water, then permanent cold. Central heating fine. Pressure 1.5 bars.

Glow-Worm 30cxi combi boiler?

On turning on water runs tepid for 30 secs. then cold thereafter. Pressure indicating steady 1.5 bars. Central... [Read more]

I have a greenstar 25cdi gas condensing boiler. ?

The hot water temperature is'nt always getting hot. Never cold but sometimes lukewarm , sometimes hot? The c... [Read more]

Can anybody advise why Flexicom 35CX goes into state S53 when in DHW mode?

The boiler works fine for central heating and DHW for sink taps and shower, but when bath tap is used the boil... [Read more]

How can I get rid of trapped air in central heating system?

After replacing the small rubber seal on the shaft of the hydraulic actuator in my BIASI 24S Combi boiler, the... [Read more]

How can I fix my Vaillant Ecotec Plus 428 boiler problem?

When the outside temperature is very cold, and the boiler fires up to heat domestic water and/or the central h... [Read more]

how can i correct central heating pressure?

i have one radiator which is half way warm and half cold so i decided to bleed. i switched off the boiler and ... [Read more]

'f19' error report - Saunier Duval 'Thermoclassic' boiler?

Recently my boiler is failing to deliver hot water. - It is hot at first then runs cold. On examination I fin... [Read more]

hot water?

Linea 24 combi,central heating up ok,water is warm then cold when i run the bath and boiler cuts out water is ... [Read more]

british gas wri receiver ?

receiver flashing red for hours.green light constant.hot water coming on fine.no central heating for a week no... [Read more]

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]

leak from cold drain tap?

having a leak from t he cold water tap at the bottom of my remeha avanta plus 28c central heating boiler

How can I turn my Volkera excell 80sp on again?

Hi, I have a Volkera excell 80sp. I shut off accidentally the gas supply while the central heating was worki... [Read more]

Siemens RDJ10RF shows incorrect temperature?

Hi there, can anybody shed any light on this problem- we have siemens rdj10rf wireless remote to operate centr... [Read more]

Radiators not heating?

Hi Can someone help me please, i put my central heating on yesterday and this morning i found my radiators we... [Read more]

halstead ace he 30 dhw problem?

Hi All, I wonder if there is someone out there who can help with a very strange fault on a Halstead Ace HE... [Read more]

alpha boiler - hot water ok but only slight central heating ?????????

boiler is lighting and giving good hot water but the central heating is just lookwarm even after 3 or 4 hours ... [Read more]

copper electric boiler?

i have an old fashioned electric boiler which does the hot water and the central heating! the hot water part i... [Read more]

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

Baxi 105e Combi - Hot then cold water cycle?

Hi, I have a BAXI 105e Combi boiler in the house I have just brought, it was installed in 2006. I have noticed... [Read more]