How to mend ... Valve Open Hot

Hot water cutting out?

Hi, I have a vaillant 837E turbomax and from time to time the water will not heat on opening of a tap. Wh... [Read more]

Worcester 25Si ...Hot water not firing up at low pressure?

I've got a Worcester 25si around 7 years old combi, recently it decided to have a problem with the hot water. ... [Read more]

How can i fix my combi boiler, Vokera excell, 80 SP?

The boilers pilot light works but the motorised valve allowing the main gas in does not open for heating or ho... [Read more]

Fitted 2 Rads one heats up quickly the other does not?

I have fitted 2 rads one upstairs and one down, the one upstairs is a ladder rad 1785 X 585 the one downstairs... [Read more]

IDEAL CLASSIC BOILER ONLY STAYS ON FOR 2 MINUTES?

My Ideal Classic FF280 will only stay on for 2 minutes then cuts out. I have recently been having problems ... [Read more]

ravenheat rsf 820/20?

I have a ravenheat 820/20 C/boiler,The c/heating works fine , but the dom/water is just about warm, I had a ne... [Read more]

thelia 23, won't fire up (pilot lit, just won't heat water)?

When I try to turn the heating or hot water on, the fan keeps clicking between fast and slow, approx every sec... [Read more]

How can I fix my Turbomax 824?

I have a Vaillant Turbomax 824 combi boiler. Recently, when I open the hot water tap without CH on, the water ... [Read more]

MY TURBOMAX BOILER IS NOT DELIVERING HOT WATER?

THE LED PANEL SAYS FLUE FAN NOT RUNNING,ALTHOUGH YOU CAN HEAR THAT IT IS,THE LED ABOVE SAYS GAS VALVE OPEN BUT... [Read more]

heatline s24 hot water problem?

just moved into house,shower goes warm for a minute then cold then back to warm continuously.sink in bathroom ... [Read more]

Worcester 24cdi no hot water - is DIY job safe?

Hi after reading some articles on here about no hot water through my worcester 24cdi boiler and reading worces... [Read more]

Worcester 240 - WAter coming out too hot - causing overheat saftefy cutoff?

Worcester 240 Combi RSF. The Tempereature knob in the front doesnt seem to make any difference, as the wate... [Read more]

potterton 50el - heating but no hot water (cont.) - bump?

Hi Hi-spec, Hi Ray, Thanks again for your advice.... but i still have this problem. I have been away for... [Read more]

central heating valve?

can any one help ,updated heating controls for seperate control of heat/water there is a isolating valve on a ... [Read more]

Worcester Bosch RSF combi boiler. How do i keep the pressure up?

I have a wor/bosch combi it had a leak from a valve. Behind the electrics on the boiler. The valve had an oran... [Read more]

Vaillant turbomax 824e not supplying hot water?

hi have a trubomax boiler which when running direct hot water on full setting and tap fully open seems to ... [Read more]

I have a vokera maxin 24e combi boiler?

the diverter valve does not operate when i open the hot water system. is it possible to replace the parts in t... [Read more]

How can I Fix My Ravenheat 820/20 boiler?

My ravenheat 820/20 boiler is supplying hot water but no CH. After a basic fault finding mission I discovered ... [Read more]

DHW problem Vaillant Turbomax Plus 828E?

If I open the cold water supply valve to the boiler fully, when drawing hot water the temp. rises to approx 83... [Read more]

Sime 80?

My Sime Format 80 was not giving any hot water but the heating was OK. I checked the diaphragm and it was dam... [Read more]