How to mend ... Cold Works Hot Not

Loud clanging/Glow-worm Boiler?

I have a Glow-worm Mark2 (oldish) boiler and the pilot light works, but when it fires up, it (and the pipes) m... [Read more]

no domestic hot water?

baxi 105he central heating works ok, but when taps are turned on all red lights go out and water goes cold i h... [Read more]

No HW but HW+CH works fine?

Hi Just bought a new house but got problems with the hot water. When I switch both HW+CH everything's ok. I... [Read more]

No cold water from upstairs basin mixer tap?

I have a problem the mixer tap in the upstairs bathroom has not cold water coming out of it .Yesterday i turne... [Read more]

Gainsborough 9.5 shower temperature control ?

Gainsborough shower 9.5 heating element works but temperature controller is erratic - either too hot or too co... [Read more]

triton t80z shower is tripping an ideas?

my Triton T80z shower is tripping every time I turn on hot water. there's power but every time i turn on goes ... [Read more]

Vokera boiler problem?

Central heating works fine but the hot water is a nightmare, can start hot but then runs cold I may be mistake... [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]

my heating will not come on ?

my heating will not come on when i select on i also noticed that ther is no light on bout the hot water works ... [Read more]

Hot water tap only works when cold tap is on?

The hot water will only come when the cold tap is on. This happens in both the Kitchen and wash basin. The sho... [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]

zanussi aquasave DWS 939, has stopped providing hot water?

hi my dishwasher seems to of stopped providing hot water, it works fine in all other aspects apart from its wa... [Read more]

Vizo 24 heating but no hot water?

Hi, my heating works perfect but the boiler no firing for the hot water just runs cold, tried to turn theromst... [Read more]

hot water diverting to heating?

heating works fine but water is hot and goes cold after a minute or so you can see the piston on the heating h... [Read more]

Water goes hot then cold when running tap?

My water (halstead ace he 30) runs hot then cold not very hot at that. Central hearing works fine. If we have ... [Read more]

sabre combi water keeps going cold?

have a sabre combi.heating works fine but hot water gets hot then goes cold any ideas thanks

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]

Troubleshooting a Bosch ZWB28-3 combi boiler?

Currently it heats our hot water well but when cold is mixed in like in the shower the temperature of the wate... [Read more]

Turn hot tap on radiator get hot?

Hi when I turn on the hot water tap the radiators get hot also, heating works fine nice and hot also hot water... [Read more]

WB 42 cdi hot water?

I seem to have air in the hot water system, the heating is bled and works fine, the boiler was working fine ti... [Read more]