How to mend ... New Heat Only Boiler

Heating boiler through the programmer is on hot water ok no heating to rad?

Boiler operates in the hotwater mode, put the switch over to the heating,no heating,room stat on max, 3 port v... [Read more]

Radiators overheating?

My hot water and central heating heat up to boiling point. I have turned the thermostat down in the boiler bu... [Read more]

how can I fix a cold radiator?

How can I fix a radiator upstairs that won't heat up? I've checked for trapped air but none. The thermostat... [Read more]

Potterton CH System will not work!?

I have Potterton Suprima Boiler which is heating water only. The CH system is intermittent and only occasional... [Read more]

repair of ravenheat 820/20 fan assisted combi-boiler?

central heating is working but no dhw.lot of banging and popping recently before failure.replaced diverter val... [Read more]

COMBI BOILER?

HI THE BOILER FIRES UP IF YOU OPEN A TAP AFTER 3 SECONDS IT SHUTS DOWN IF YOU LEAVE THE HOT T... [Read more]

Ferroli Optimax HE 31 C?

How do i get my heating to work? It fires up and the temperature starts to rise on the display, then the digit... [Read more]

Biasi Combi Boiler M90E.245 problem!?

My radiators and hot water keep going cold whilst the Combi is still running in the background. I keep having ... [Read more]

worcester highflow combi boiler not working?

the boiler lights are on and the pressure is ok but although it sounds like it is coming on there is no heat i... [Read more]

Radiators Are Cold?

Hi all, Just wondering if anyone can help... I have 2 radiators out of 8 which refuse to heat up at the bottom... [Read more]

Sime Friendly 80E Boiler. C2000 No Flame, no heat! Help!?

Recently paid £170 to get the diverter valve replaced and pcb as had no running hot water but radiators worke... [Read more]

High pressure on a Baxi 105E?

My boiler has a high pressure fault not caused by the filling loop. I have been told that it might be the DWH ... [Read more]

How can I fix Potterton Combo100?

Hi All, the above boiler in my flat has started to play up. It is about 5 years old and has been fine up to no... [Read more]

how can i fix?

when i turn hot water on the boiler is not igniting to heat the water when i turn the heating on the gas igni... [Read more]

Pressure loss in pressurized heating system?

I have a gas boiler which feeds a pressurized heating system and pressurized hot water tank with no header tan... [Read more]

Britany Combi - how do you add water to increase the pressure?

Our pressure guage is showing just over 0, does anyone know which is the inlet to add water and increase the p... [Read more]

heating ?

I have just had a new heat line capriz 28 boiler fitted 2 weeks ago it has already had a new circuit board fit... [Read more]

No hot water but central heating works fine ?

We have a 70's fitted gas boiler which heats hot water only or hot water and central heatibn together. I bled ... [Read more]

I require help with my central heating boiler?

The boiler is a Glow-worm 55F whiich starts normally but after a few seconds cuts off. After 3 or 4 minutes it... [Read more]

Any ideas what my problem is???

I have a 10 year old Ravenheat combi boiler (not sure of model, but will add when i get home later). It will o... [Read more]