How to mend ... Water Not Heating Up Central Heating System

How can i fix my Potterton Performa 24 combi. boiler?

My Potterton Performa 24 combi. boiler will switch on and fire up, but will not switch off. For example: If i ... [Read more]

Worcester Bosch Oil Heatslave 20/25 two years old?

Can not get the central heating to work; the water pump does not seem to be running. Hot water fine. Had a lon... [Read more]

Worcester 24i?

Hi drained down the system to repair a couple of weeping radiators, refilled the system to 1.5 bar vented all ... [Read more]

Fault on Pump/Low Pressure - Potterton Performa 30 HE?

Our heating system (Potteron Performa 30 HE) is giving a fault saying 'fault on pump low pressure', which basi... [Read more]

ariston combi boiler?

My Ariston microgenus 27 mffi.is losing pressure through the safety valve(3 bar). when the central heating is ... [Read more]

I have a Ravensheat condensing boiler 85T (I think), ?

It was installed in August last year and works fine apart from when you put the central heating on, it ignites... [Read more]

heatflow boiler oil leak engineer cannot repair?

we bought a house with a"home fitted central heating system!" rads rusted and leaking water etc, my main worry... [Read more]

Operating Instructions?

Does anyone know where i can get operating instrucions for a Landis & Gyr central heating/hot water system? I ... [Read more]

Air in the central heating?

My central heating system is prone to air in the radiators. They require bleeding at last weekly to keep them ... [Read more]

Jaguar 23Kw - FO fault?

When the Central heating is on there is warm water coming out of an expansion pipe , therfore the system loses... [Read more]

Boiler not working on the heating system ?

My daughter has a ferroli combi 77 ff boiler and the water heating side works fine but for the central heating... [Read more]

tank of hot water but no central heating?

the hot water switch starts everything working and heats a tank of water, plus one radiator! however, the cent... [Read more]

Worcester combi 440 boiler?

I got an 18 month boiler which was working ok till few month ago. I noticed that the pressure is dropping and ... [Read more]

kingfisher mf gravity hot water/pumped central heating system?

how to control hot water in domestic water

How can i fix low water in my boiler/air in my central heating system. ?

I've had plumpers to fix a leaky pipe but since then cannot get the radiators to work even though i still have... [Read more]

My combi boiler is heating the radiators when the central heating isn't on?

British Gas have told me I need to Powerflush my combi boiler as the radiators are turning on when the system ... [Read more]

how to fix potterton performa 24?

boiler continues to burn,bypassing all instruction to do otherwise.ive tried resetting but again the boiler ju... [Read more]

no water pressure on vaillant hot water unit?

have had to remove central heating units to lay new floor .When put back there was no water pressure shown on ... [Read more]

How can I diagnose my Glow worm Fuelsaver F100 boiler problem?

My ageing, but until now perfectly reliable, Glow worm wall mounted central heating boiler appears to have dev... [Read more]

heating and water?

just drained our central heating system on a baxi 552 now cant seem to get the heating or water to work any su... [Read more]