How to mend ... Central Heating Valve

hot water only working when heating is on?

replaced diverter valve and everything was fine for a week.now the hot water will only work when the central h... [Read more]

Ravenheat white star?

boiler operates central heating and hot water when the micro switch is removed from the valve block but is doe... [Read more]

Pilot light keeps going out with my Potterton Puma 80 boiler?

Hi, We have a Potterton Puma 80 boiler that lives in an outdoor shed attached to our house. Our problem is th... [Read more]

Possible problem with diverter valve?

I have a Vaillant TurboMax 824e. When running hot water it initially runs warm water then cold then warm then ... [Read more]

Highflow 400?

I have highflow 400 BF boiler running my central heating system. It is mounted at floor level, and due to rece... [Read more]

problem with protherm 80e?

i have a protherm 80e combi boiler. the hot water is fine but the central heating is not working properly. whe... [Read more]

Ravenheat RSF 100ET dhw ?

domestic hot water goes hot then cold, central heating works ok, 3 way valve appears to be working ok. where w... [Read more]

No hot water [Valliant boiler, Turbomax VUW 242]?

Just recently my boiler won't heat the water in the bathroom taps or shower, the boiler fires up but the water... [Read more]

Glow worm Energy saver?

Hi, My Glow worm Energysaver boiler starts to resonate when Full hot water is demanded, it sounds like a noi... [Read more]

how do I replace a pressure reducing valve in a worcester 24i boiler ?

My boiler is running out of pressure, there is no leak anywhere, as soon as I refill the boiler, the pressure ... [Read more]

how can i get radiators hotter?

I have a 480k rayburn with 11radators, 8 which we use all the time which when turned up are only warm.tried ev... [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]

How can we get the water pressure to rise on the guage?

We turned all the radiators off upstairs and drained a small amount of water of in the bathroom before extendi... [Read more]

How to pressurise expansion vessel?

Vaillant Combi boiler VCW 282 central heating expansion vessel needs to be re pressurised as it is causing hig... [Read more]

Worcester Oil Boiler?

I have a Worcester Danesmoor SLPJ 20-25 oil fired boiler which is fitted with a twin channel programmer and Ho... [Read more]

Rattle! Help required?

I have a GAs Combination Central Heating system. The Radiator Valve in one of the rooms rattles now and then. ... [Read more]

how can i fix my ferroli spa boiler?

my ferrolli combi boiler will not keep central heating pressure and every time i fill it via the fill tap it d... [Read more]

What are the symptoms of a faulty boiler stat ?

My boiler seems to be running for very short periods and the central heating hot water is not getting to the f... [Read more]

Vailant VCW 242EH, Sticking diverter valve?

Hi, the movement on the diverter valve on my Vailant VCW-242EH is not sufficient to allow the microswitch to ... [Read more]

vailant 242e turbomax and the temp keeps fluctuating?

My central heating is working fine. But everytime we use the shower or the bath tub the water temperature keep... [Read more]