How to mend ... Diverter Valve Boiler Central Heating Working Hot Water

C&M Britony 100 hot water goes hot to cold?

Hello, My boiler has been getting progressively worse and worse and I'm literally getting just cold water o... [Read more]

Sime Halstead Trio Combi Boiler - No DHW flow at all?

There is no water flow at all from Hot water Taps. Plenty of pressure on cold water supply. Central Heating is... [Read more]

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]

Halstead ace high boiler, ch not working?

my central heating is not working but the hot water is fine, think it may be the diverter valve but not sure

ace high boiler problem?

replaced diaphram and diverter valve service kit , ch working ok , in dhw only mode both central he... [Read more]

Vaillant TurboMax Problem - Help please?

Hi, I have a Vaillant Boiler Turbo Max around 11 years old. Now the boiler has stopped working as it s... [Read more]

Central Heating problem with Worcester Bosch RSF 240?

I have recently changed my leaking diverter valve on my Worcester Bosch RSF240 combi boiler. The hot water op... [Read more]

Sime super 90 plus problems?

Hi, We have a super Sime 90 plus boiler and about a year ago we had to change the dreaded diaphram in the dive... [Read more]

Glow Worm 30ci - got hot water but no C.heating?

Firstly just like to say thanks to all that help on here. I am fairly competent with this kind of stuff, and ... [Read more]

Central Heating Not Firing Up?

My Ravenheat Combi Boiler is not firing up on the CH - the hot water works fine. I have checked the room stat ... [Read more]

vaillant turbomax F23 error keeps coming up when I turn on the central heat?

Th heat exchanger and the diverter valve were changed on my boiler as the hot water and the central heating ke... [Read more]

How can I repair my Worcester Bosch central heating Combi boiler HF 400?

My Worcester bosch HF400 Combi boiler works with Domestic hot water but when central heating is selected there... [Read more]

worcester greenstar 28i?

when the boiler is turned on there is a blue light flashing fast, I havent got any hot water or central heatin... [Read more]

why does my combi boiler run a full pelt?

I have an alpha 240 eco combi boiler. On Monday i came home to find the heating had stopped working. On inspec... [Read more]

Halstead Boiler - CH working but no hot water?

Hi, I've got a Halstead Quattro Gold combi boiler, the other day the hot water stopped working but the cent... [Read more]

Gem boiler -Central heating is working but no hot water makes groaning nois?

Central heating working fine but when hot water taps turned on you hear a loud groaning noise and only hotwate... [Read more]

Vaillant Turbomax 242E problem?

Would be very grateful for your help here, I have a Vaillant Turbomax 242E combi boiler that in the last Two d... [Read more]

no hot water from my halstead combi either! How can I fix it?

I had Halstead combi quatro boiler central heating instaled in 1996. central heating rads fully working but My... [Read more]

puma 80 diverter valve?

hi I have got a puma potterton 80 which is turning into a nightmare 8 months ago the heating wasnt coming on... [Read more]

How to replace a diverter valve on a potterton boiler ?

My central heating is working but the hot water isn't, I realise that the diverter valve needs replacing. Can ... [Read more]