How to mend ... Change 3 Valve Boiler

Potterton Promax 24HE - No Central Heating?

Since the weather turned colder a couple of weeks ago we have been unable to have heating without the hot wate... [Read more]

system pressure?

my vailent combi looses pressure every day but i cannot find a leak anywhere. none from the relief valve and n... [Read more]

sqeeking/sqeeling noise when boiler is running, 3way diversion valve????

When the boiler is on full burner (using hot water) a loud sqeeking/alarming sound is coming from the boiler..... [Read more]

ravenheat rsf100et no hot water or heat?

i came to fault find on this boiler, pump runs, fan runs, pressure switch ok boiler lights on pilot light and ... [Read more]

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]

how do you change a diverter valve?

i have a Chaffoteux combi boiler and the hot water comes out tepid when it is just the hot water working. When... [Read more]

no hot water on worcester 240?

I changed the diaphram on a worcester 240 and the pin now rises and turns on the boiler but instead of the tap... [Read more]

ravenheat csi primary boiler dripping?

i have a ravenheat cst primary condensing boiler and it starting dripping from the auto bleed valve a few mont... [Read more]

How can i change the prv on my boiler?

I have a bosch worcester 28i combi. the pressure relief valve is leaking. I bought the new part, but how hard ... [Read more]

Potterton 16/22 - won't light?

Hi there, Yes it's an old boiler, but there's not money to change it or even call anyone out. I'm on the ve... [Read more]

can any one identify this fault?

i have a worcester boiler cdi there is no hot water but the heating works it there a change over valve on this... [Read more]

How do you fix a ravenheat csi primary boiler?

I have a ravenheat csi primary boiler which will start the fan, ignite the pilot light then ignite the main bu... [Read more]

how do i change divertor valve on combi boiler?

how do i change divertor valve on vailent combi boiler

problem with glowworm 50bf (balanced flue)?

pilot lights fine. when calling for both heating and hot water pump runs but burner will not ignite or should ... [Read more]

Vaillant Combi VC242EH switch for hot water not clicking in?

I have a Vaillant Combi boiler 242EH but cannot get ant hot water through, without removing fron lower panel o... [Read more]

tepid water from worcester bosch 24cdi?

i am only getting tepid hot water from my combi boiler. central heating working fine. i have change the heat e... [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 9.24 no hot water?

please help, i'm pulling my hair out. it first began with the boiler only giving hot water when the central he... [Read more]

Potterton Puma 80 heating problem?

Hi there i wonder if anyone can help i have two probs. Firstly heating switches off every 30 secs even on con... [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]