How to mend ... Radiators Room Stat

NO HOT WATER BUT CENTRAL HEATING ON MY SUPREMA 60L MODEL?

I CANNOT GET THE BOILER TO FIRE WHEN CALLING FOR HOT WATER,IT WORKS FINE FOR CENTRAL HEATING WHEN THE ROOM STA... [Read more]

Bocsh 280 Combi Boiler will not heat radiators?

I have a Bosch 280 Combi Boiler, when asking for hot water i have no problems. When switching to heat the rad... [Read more]

Potterton / Profile Prima 40e boiler not fire up?

Allo: My old conventional Potterton / Profile Prima 40e boiler does not always come on. It sounds like it h... [Read more]

Circulator pump. Can water pass through it when the pump is switched off?

Does a central heating water pump itself prevent water flowing through to the radiators by gravity? This may ... [Read more]

how to fix my vaillant turbomax plus 282/2e combi?

re: vaillant turbomax plus 282/2e combi boiler. Problem with c.h coming on when internal timer in 'off' and ro... [Read more]

Heatslave 20/25?

Quite often the pump on the boiler cuts out and so the central heating goes off. Click the room stat to off an... [Read more]

Back boiler change to oil boiler?

I currently have radiators in all rooms & hot water run from a back boiler behind my coal fire. The system has... [Read more]

no heat to the radiators?

my boiler works triggered by either the room stat or presumably the cylinder stat for the hot water; but no he... [Read more]

Micron 40ff heating up then cooling right down before starting up again. ?

Please help I have a Micron 40ff with radiators with TRV's & a room stat, I replaced the old style PCB about 3... [Read more]

Over heating of central heating system?

I have a frost stat in the garage (where my boiler is) and a normal room stat (set to 20degrees). When the fro... [Read more]

minimal heat from radiators and hot water system?

Since turning the heating back on our hot water has cooled down to minimal heat and the radiators do not get h... [Read more]

problem with potterton kingfisher II CF40?

Hi all, Hope someone can help, I have a pott kingfisher II CF40, floor standing, gravity fed i believe, as i c... [Read more]

Hot rads?

The c/heating boiler has just had it's annual inspection by British Gas and the engineer checked all rads and ... [Read more]

Why do my TRV's rattle?

The bi-directional TRV's on my radiators rattle loudly when they reach the set temperature for operating (clos... [Read more]

Glow worm ultimate 40ff ultrahot water!!!!!?

Hi, I have the above boiler with potterton ep3002 timer and potterton room stst with hot water cylinder stat ... [Read more]

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]

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]

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]

radiators heating up when only hot water is selected Ideal Classic FF 250?

With my room stat turned right down and the controller selected for hot water only my radiators are heating up... [Read more]

how to fix my potterton netaheat profile boiler?

boiler fires up ok but does not stay on to a reasonable temp hot water seems fine . radiators only get warmish... [Read more]