How to mend ... Hot Water Heating Cold Problem

Worcester boiler 35CDi?

What can be wrong with my boiler? I first noticed a problem when my shower began running hot then cold, hot th... [Read more]

ferroli optima 901 c/heating problem?

heating will not come on but hot water ok. pump runs. boiler fires up when stone cold for c/h eventually but w... [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]

Have a vaillant ecotec plus 824. The water gets hot then goes cold?

Have a vaillant ecotec plus 824. Real problems!!The water gets hot for about a minute then goes cold and stays... [Read more]

Glow worm 100E small burner flame, now hot water?

Hi, i hope you can help me with a problem that is just baffling me. I have a Glow worm 100E that has heating ... [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]

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]

what is wrong?,sabre 25 he, hot water and heating doesn't stay on long?

Hi, i have a sabre 25 he boiler,one minute i have hot water and heating then next minute nothing, Hot water o... [Read more]

Glow worm 38cxi not lighting?

Have had the boiler for 8 years now and its been nothing but hassel ,about 6 months ago when I used the hot wa... [Read more]

water going hot then cold?

vaillant combi boiler 824/2e ,,heating is fine,hot water red hot then goes cold had new heat exchanger,plus ne... [Read more]

How can my Worcester condensing combi boiler be fixed?

We have a Worcester Greenstar condensing combi boiler and after 6 trouble free years, water keeps going cold. ... [Read more]

halstead ace high boiler?

Hi after reading some of the posts on this website which were having the same problem as me (boiler playing up... [Read more]

Digistat SCR fault?

Hi I have a similar problem with the Drayton Digistat - hot water is ok - but no lights at all on the SCR reci... [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]

ferroli domina 80E boiler shutting down?

Hi I have an on going and worsening problem, my hot water runs cold and pilot light goes out after 1-10 min... [Read more]

vaillant 824/e ecomax pump working, but no hot water leaving boiler?

My vaillant 824/2e ecomax on start up has fast rise in temperature up to between 80-104 c and pump stops. cent... [Read more]

How can I fix my hot water problem on Potterton Flowsure plus?

I cannot get continuous hot water at the taps. The boiler fires up ok and I can get heating but I cannot get h... [Read more]

Baxi boiler over pressure problem?

I've got a baxi duo-tec he33. It's only 30 months old and has developed a problem of going over pressure. If ... [Read more]

Combi boiler turns off and on during hot water supply. How do I stop this?

I have a hot water and central heating boiler which for the hot water only fires up when I turn on the hot wat... [Read more]