How to mend ... Water Hot Heating Cold

Potterton powermax HE. Hot water but no heating?

I have a potterton HE boiler. I have no heating. The actuator is moving on the diverter valve and the pump is ... [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 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]

Main combi boiler ?

Why is my boiler sending hot water to my radiators when I only want hot water to my taps. The heating is turne... [Read more]

why have i no hot water?

When i turn the hot water tap on the water is constantly cold. But when i put the central heating on the valve... [Read more]

How can I fix my Sabre HE Boiler?

Hello I have a Sabre HE combi boiler, about 2 years old. We rarely use the heating (probably last put on in... [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]

ariston microgenus 23 mffi ?

My boiler's hot water goes hot & cold when running.It also heats the radiators when hot water is running.It al... [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]

Ferroli HE31C - Hot water but no heating?

There is an error code D2 on the boiler and no matter what I try I can't make it go away. I've tried turning i... [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]

Why are the downstairs radiators cold when my heating is on?

I have just moved into a three storey house with a Vaillant boiler and a Telford Tornado water tank. When I h... [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 ferroli medina 80e?

every time there's a bit of wind the heating & hot water tries to fire up but fails to ignite and also the hot... [Read more]

My Glow Worm Micron 30FF wont light. How can I check whats wrong&fix it?

I have a Glow worm Micron 30FF which was installed new 4 years ago. Since then it has been serviced and a new... [Read more]