How to mend ... Heating Not Coming

How can I fix my 3way diverter f valve on my Ravenheat combi boiler?

Since taking the 3way valve off my combi boiler to change the diaphragm the domestic hotwater is not switching... [Read more]

Potterton netaheat 16-22 pilot light gone?

Hi, my boiler Potterton netaheat 16-22 (MK II) has no pilot light. I can not see an ignition button or anywher... [Read more]

Potterton netaheat 10-16?

I got home from work to find that the central heating has not come on, when I turned it on nothing happened. T... [Read more]

hot water coming out cold?

Glow-worm Swiftflow 75/80 Combi Boiler - can you please help. the hot water runs for a bit and then goes cold... [Read more]

Why does the hot water on my Ravenheat boiler sometimes come out cool?

A Ravenheat 820/20 combi boiler, had diverter valve diaphragm replaced last year as it had perished, now occas... [Read more]

Potterton Puma 80e - Hot Water but not heating?

There is hot water coming from the boiler; this has led me to believe that the pump is working and able to pum... [Read more]

Fan noise from Potterton Puma 80 - 100?

There is a constant fan noise coming from my Potterton Puma boiler (either 80 or 100 series). It goes away wh... [Read more]

ariston a/23 mffi no heating or hot water "help"?

the ignition reset button/safety reset overheating light on the boiler is continually coming on which shuts of... [Read more]

do i need another diverter valve for my alpha 280e combi boiler?

My alpha 280e combi boiler has a problem with the hot water temperature, it fires up ok starts to heat the wat... [Read more]

radiators coming on when not needed?

my cental haeting ia playing up , i think th esyncro motor is perhaps sticking ie not fully shuting off heatin... [Read more]

Glow worm Swiftflow 120 Low system pressure?

When heating goes off, system pressure drops to point where low pressure light starts to flash. When heating ... [Read more]

Sime 100E boiler:How to replace the knob /spindle on the potentiometer?

Hi I have pulled the knob off the central heating potentiometer on the boiler and instead of just the knob ... [Read more]

CH OK no HOT WATER on Vaillant Turbomax VUW 242 E ?

Central heating works fine, but not hot water on any taps. When I turn the taps warm water coming for few SECO... [Read more]

CH OK no HOT WATER on Vaillant Turbomax Plus 824E ?

Central heating works fine, but not hot water on any taps. When I turn the taps warm water coming for few SECO... [Read more]

how can i fix fer falcon combi that is not firing?

when i turn off and on gas valve, the combi is not firing central heating system water is coming out hot but n... [Read more]

Potterton combi 80 lockout light?

the red lockout light keeps coming on on my combi 80,Both when using the hot water and the central heating.I ... [Read more]

how can i fix my leaking central heating radiator pipe?

I have a slow leak on a central heating radiator pipe coming from just under the regulator/ join pipe. I've tr... [Read more]

How can I repressurise my Vokera Combi Boiler?

I have a Vokera excell 80sp combi boiler and the water pressure gauge has dropped into the red. Because of thi... [Read more]

How can I repressurise my Volkera combi boiler?

I have a Vokera excell 80sp combi boiler and the water pressure gauge has dropped into the red. Because of thi... [Read more]

How can I fix my Potterton Electronic Boiler ?

I have recently moved home and my boiler is not working correctly. The Central Heating comes on when the Hot ... [Read more]