How to mend ... Heating Valve Boiler

Baxi Solo 70/4 failure?

On Xmas eve boiler main or pilot solenoid started loud clicking/knocking with main burner flashing on/off voil... [Read more]

Ariston SX20 mffice hot water ok but no CH?

My eurocombi operates in hot water mode ok. When you switch on the heating the fan runs but the boiler does n... [Read more]

Glow worm betacom 24c, hot water not working?

My betacom 24, is working perfectly on heating, but when I open a hot tap, the burners fully light for about 1... [Read more]

How do i fix my worcester 24i combi boiler?

my worcester 24i boiler has no flame - no hot water or heating - I've tried to re-pressurise by opening the wa... [Read more]

water boiling into expansion tank?

Hi, when the radiators have been heating up for about half an hour, we hear water boiling which then discharge... [Read more]

boiler problem?

hi i have a potterton suprima boiler - i have had a new gas valve put on and also new circuit board put on - t... [Read more]

Loss of heating water?

When I top up the system to 1.5 bar the water is thrown back out the pressure valve when the boiler runs up to... [Read more]

boiler pressure?

Main Combi 24 HE the pressure went above 3 and the relief valve went off. I released the pressure by letting ... [Read more]

halstead ace ?

boiler on light keeps flashing brand new diverter valve fitted only happens now and again also cleaned out pip... [Read more]

New replacement Netaheat profile pcb not working?

What is the problem my new replacement pcb will now not work without me banging or jolting it then it sparks u... [Read more]

Potterton powermax HE. Hot water but no heating?

I have a potterton HE boiler. I have no heating. The actuator is moving on the diverter valve and the pump is ... [Read more]

potteron pipe connection diagramme?

hi i have a potterton floor standing boiler about 20 years old. i am upgrading to one of the new boilers what... [Read more]

ravenheat rsf820/20 combi overheating?

the boiler is supplying hot water ok however as soon as the heating is on the heat exchanger boils up & cuts o... [Read more]

Alpha 240p boiler problem. ?

Hot tap turned on, diverted valve functions and presses microswitch but gas does not ignite. Pilot light is on... [Read more]

ravenheat boiler?

got to run tap for long time to get any hot water,,if i put heating on i can the get hot water ..could this be... [Read more]

icon 23t boiler help?

can anyone tell me why when i turn the hot tap on, the central heating turns on as well. have had the diverter... [Read more]

ikon 23t boiler help?

can anyone tell me why when i turn the hot tap on the central heating turns on as well. have had the diverter ... [Read more]

i have glow-worm flexicom cx 30 no hot water?

heating works fine but boiler doesnt even try to fire with hot tap on and i can see the pin on the diverter mo... [Read more]

how can i fix GREENSTAR 24i junior / 28i junior combi boiler?

just bled radiators for first time. Now all radiators have gone cold but heating is still on. Dont know what t... [Read more]

ariston microgenus 23 mffi ?

My boiler's hot water goes hot & cold when running.It also heats the radiators when hot water is running.It al... [Read more]