How to mend ... Cold Radiators Hello Help

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]

Vokera Maxin 24e Lockout?

I am having problems with the Lockout Reset Button illuminating intermittently on my Vokera Maxin 24e, the con... [Read more]

Pipework Mix Up?

Hi there I recently relocated some pipework so that I could fit more ceiling joists to reinforce our loft conv... [Read more]

why does my boiler heat the radiators but not the water?

my combi boiler is heating the radiators but the water is always cold.it clicks on as if its going to start up... [Read more]

central heating not working?

I have a biasi 24s combi boiler. Dhw working but heating not working, flow pipe from boiler and first radiator... [Read more]

Heating but no hot water?

I have a glowworm 30 Ci combi boiler which has been great since it was installed. but yesterday the hot wate... [Read more]

boiler not working?

my radiators are cold and iv got no hot water.pilot lights lit but no noise coming from boiler as their normal... [Read more]

one of the radiators is cold in the middle and hot round the edges?

One of the radiators is cold in the middle and hot around the edges,I have bled the radiators but still the sa... [Read more]

Extremely low hot water flow rate on Sabre Combi Boiler?

I have a Sabre Combi Boiler in a 3 bedroom flat on the 2nd floor of a low rise block. Cold water flow rate is ... [Read more]

Worcester 24i pressure dropped to zero?

Hi I "bled" my radiators thinking I was doing a good thing. However afterwards I noticed that I was not get... [Read more]

how can i fix my home radiators ??

how can i fix my home radiators, where below the regulator( thermostat), the pipes are hot but the actual radi... [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]

Vokera Excell 80 SP?

When we run our shower at home, it switches between hot and cold water every 15-20 seconds or so, and has been... [Read more]

How do I fix my Baxi boiler 20+ years old?

Have bled the upstairs radiators as they were cold.......little or no air escaped and no water, they sound emp... [Read more]

potterton 16/22 not staying on?

i have recently drained and flushed the system and refilled it with a suitable inhibitor but now the boiler i... [Read more]

Sometimes we have hot water, sometimes we don't! ferroli 80e boiler?

Help! Our boiler sits at about 2 bar of pressure. We have had problems with hot water going cold occassionaly,... [Read more]

ferroli mondena boiler?

when the domestic hot water tap is turned on, the water runs hot for a few seconds then runs cold, but when th... [Read more]

Why are 3 of my radiators not working?

I've recently had my boiler moved and now 3 of my 1st floor radiators remain cold, when all others are ok. i c... [Read more]

Cold radiators Ferroli Optimax 25c?

My newly installed combi gives instant hot water from the tap but I have to turn my room stat up to 30 before ... [Read more]

How can I remove air from my heating system?

I have a gravity feed heating system which has recently had an extra radiator fitted to it. Now I have warm w... [Read more]