How to mend ... Diverter Valve Running Hot

How do I fix hot water on the vaillant combi boiler?

the central heating is running well but the hot water has stopped. I was told to change the diverter valve. Wo... [Read more]

Sime super 90 overtemp trip?

My boiler is working fine for the CH side of things. When I run hot water the overtemperture trip goes after a... [Read more]

Worcester oil heatslave 20/25 about 4years old. ?

When i ask for hot water I get the pre-heated hot water but when this is exhausted it runs cold. The boiler st... [Read more]

24 CDI Water Problem?

I have a 24 CDI. The hot water is only running luke warm. I have taken off the microswitch on the diverter val... [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]

FERROLI OPTIMAX 25C OVERHEATING?

When I turn on the hot tap the boiler fires up then a few seconds later it overheats and I get F3 fault code, ... [Read more]

vokera linea 28 - intermittent hot water?

when running the hot taps - after a minute or so the boiler shuts down (ie no flames). If left the water runs ... [Read more]

Hot water prob - Vaillant Turbomax Plus?

For about the last 6 weeks or so our hot water temp has been very unstable. The boiler fires and heats wat... [Read more]

trouble with worcester boiler d.h.w?

hi,iv'e got a worcester 24cdi boiler and the central heating water's ok but the domestic water doesn't get ver... [Read more]

Ariston Eurocombi?

I have to have the central heating on to get hot water!? I had the diverter valve changed and this hasn't help... [Read more]

Sime Friendly 80E Boiler. C2000 No Flame, no heat! Help!?

Recently paid £170 to get the diverter valve replaced and pcb as had no running hot water but radiators worke... [Read more]

HELP!!!! Biasi Combi M90 24S No Pressure?

I have been in my house for a year. During that time I have had no problems with the boiler which is a combi f... [Read more]

Glowworm 30ci leaking?

A couple of days ago, I noticed that the heating was off. I used the internal control to fire it up, but there... [Read more]

Worcester Bosch 240 - reset switch problem?

Hi, I am in need of some help, I have a problem with my Worcester Bosch 240 boiler. I have already replaced th... [Read more]

problems with worcester 350 hot water supply?

Can anyone help me fix a problem with my worcester 350 boiler? It runs ok on heating mode but when a demand fo... [Read more]

Vokera XL 80 SP Water running hot then cold?

Already changed thermo sensor and diverter valve diaphram not worked what else could it be

Overheat cut out worcester 9.24 electronic boiler?

Had no central heating but hot water ok, boiler shuts down after 2 mins, found (eventualy) that the thermocoup... [Read more]

I have a alpha 240e combi boiler about eight years old?

I have noticed recently that radiator is getting hot when running hot water with boiler set on water only.also... [Read more]

Ravenheat CSI 85 no DHW unless CH on?

Hi, I have a problem with a Ravenheat CSI 85 (18 months old) which will only give DHW when the CH is on. ... [Read more]

Potterton Puma 80E Combi overheats and trips out on hotwater cycle?

When the hot water is adjusted or moved from its minimum setting the boiler trips out. Why? Almost every part... [Read more]