How to mend ... Boiler Works Radiators

Boiler fires up when demand for hot water but doesn't when demand for C/H?

I have a Potterton Netaheat Profile 80e boiler, Honeywell V4073A mid-position valve, Honeywell ST699B programm... [Read more]

central heating valve?

can any one help ,updated heating controls for seperate control of heat/water there is a isolating valve on a ... [Read more]

What is causing my boiler to randomly operate the central heating?

My boiler, a Potterton Puma 80e, works fine on the hot water cycle, but randomly operates the central heating.... [Read more]

Ravenheat CSI 85 no DHW unless CH on?

Hi, I have a problem with a Ravenheat CSI 85 (18 months old) which will only give DHW when the CH is on. ... [Read more]

Vokera Boiler Overflow Trouble?

My Vokera combi boiler when turned on starts to push water out of its over flow (outside) and when it stops it... [Read more]

What is the cause of cold radiators in my top bedrooms?

My central heating works fine and I had a very good make, fully certified combi boiler installed only last yea... [Read more]

Combi BOILER is not worming up hot?

Vokera Excell 80SP CombI Boiler works okay but fire up for about 15 min. then shuts off about 3 min, therfore ... [Read more]

problems with my heating (potterton combi 80)?

when i put the heating on it works for about 15 seconds then goes off. about a week ago it was only heating th... [Read more]

How can I fix my noisy Boiler?

I have a Myson apollo fanfare 30/50 and it works perfectly well but today I have noticed it has become noisy.T... [Read more]

vokera compact 28?

within the last week i have treated my boiler with a limescale remover i inteneded leaving it in the system fo... [Read more]

Ideal Classic Pressure drop...please help!?

I have been trying to fix this problem for nearly a year with no success. The heating works fine till it goes ... [Read more]

What's wrong with our boiler?!?

We have an old-ish Potterton Flamingo boiler that we inherited when we bought our flat 3 1/2 years ago, it isn... [Read more]

how can i fix my central heating?

We have recently switched on our central heating for the winter with little success. Initially, when the boile... [Read more]

baxi solo boiler keeps building pressure and puts water outside?

My baxi solo wall mounted boiler is fitted with an expansion tank(red shaped tank with valve). Recently the ov... [Read more]

How can i fix my baxi combi boiler ?

My boiler is working fine but the water is not getting through all the system ! Most of my radiators work all ... [Read more]

My Central Heating won't work?

I am confused because my boiler works because it heats the water, but it won't heat up the radiators and the s... [Read more]

No CH with Potterton Puma 80?

I have a problem with a Potterton Puma 80 in that the CH does not appear to be working and there is no heat go... [Read more]

Sime friendly format 80E?

Myboiler when in central heating mode will heat the radiators until the set temp is reached then trip out as i... [Read more]

Baxi Bahama 100 - Pressure rising only when heating on!?

Hi, to anyone who can help me :-) I have a Baxi Bahama 100 combi boiler. Just recently, it has developed a ... [Read more]

Combi Boiler only heating water when the heating is on?

Our Fonderie Sime Combi Boiler will only heat the water when the heating is on. If it is off the boiler will ... [Read more]