How to mend ... Central Radiators Cold

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]

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]

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]

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]

Radiators are cold at the bottom?

I have a problem with some of our central heating radiators on the ground floor only getting hot from halfway ... [Read more]

Central Heating Control?

Every ten days or so the central heating system ignores the programming set into the clpock programme. It rem... [Read more]

Intermittent Fault Vaillant turbomax VUW 242E?

How can I fix my Vaillant Turbomax VUW 242E? My boiler is 8 yrs old. The flame indicator illuminates but th... [Read more]

Central Heating System?

I fitted a new pump to the central heating pump a few weeks ago. Now the radiators are hot but the water is co... [Read more]

Radiator problems?

Hi all, i have a valliant combi boiler no mod number the central heating system running my radiators, the wat... [Read more]

gas central heating, 2 radiators cold, any ideas?

The combi - boiler seems fine, 4 radiators working fine, hot water also fine. 2 radiators stubbornly stone co... [Read more]

Potterton Profile 30E keeps tripping on Central Heating?

My Potterton Profile 30E keeps tripping off and requires the reset button to be pressed to restart. This typic... [Read more]

Fault with Ravenheat Combi boiler (heating goes off)?

I have a Ravenheat Combi boiler which provides hot water ok. However, when the central heating is switched on,... [Read more]

I have a problem with my hot water via a Potteton Puma 80e boiler?

I recently drained and recharged my boiler / radiators to change a TRV and get alot of air out of my rads. But... [Read more]

central heating wont work?

I have a worcester 28cdi the hot water work's but the red light for the heating wont come on and the radiators... [Read more]

Vaillant Turbomax plus combi - CH runs when hot tap turned on?

I have a Vaillant Turbomax plus combi boiler - either the 824E or 828E, I cannot currently see which. I hav... [Read more]

upstairs radiators cold downstairs hot?

i have a glow worm compact central heating system just recently the radiators on the first floor of my home do... [Read more]

How can I fix my central Heating some radiators are cold?

All the radiators upstairs, bar one, are stone cold. The radiators downstairs are working fine.

how do i bleed my central heating combi boiler and radiators?

i drained my system then refilled it ,the radiators upstairs are hot but downstairs they are cold. have i mis... [Read more]

central heating problem old baxi back boiler?

i have a baxi back boiler which is not working properly when i turn on the heating only the upstairs get hot t... [Read more]

Some radiators hot, some are cold?

I have oil fired central heating and some of the radiators upstairs and downstairs are hot and some are cold, ... [Read more]