How to mend Central Heating Boiler Room Stat

1

Room stat query regarding a relay?

Need to fit a ferroli combi for a customer, the only thing is the combi also goes through two zone valves to g... [Read more]

3

Hot water ok but what's wrong with central heating?

That time of year to turn on central heating. Hot water been working fine all summer, tried CH today but no jo... [Read more]

1

Glow Worm Micron no central heating but hot water?

I have a Glow Worm Micron Boiler approx 4 years old, we have hot water but no central heating. Have replaced ... [Read more]

Central Heating Not Firing Up?

My Ravenheat Combi Boiler is not firing up on the CH - the hot water works fine. I have checked the room stat ... [Read more]

1

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]

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]

2

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]

1

Radio link between transmitter and boiler?

My Worcester bosch combi is just over 2 years old and keeps losing link between transmitter/room stat and boil... [Read more]

4

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]

2

worcester heatslave 20/25 hot water but no central heating?

the central heating has just been turned back on on my oil fired heatslave 20/25 only to find it does not work... [Read more]

8

saunier duval thelia 23?

new house - dead boiler. I have replaced the diverter valve & piece which it mounts to, now the micro switches... [Read more]

2

Which thremostate has gone?

I have a Sterlinig PP combi boiler (Chaffoteaux et Maury) and it sipply will not switch off when on the centra... [Read more]

2

glow worm 50?

i have glowworm micron 50works ok when it calls for hot water but will not always fire up for central heating ... [Read more]

9

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]

2

Ravenheat CSI-85 Combi, erratic operation, any ideas?

Boiler now 2 years old. Works fine generally, however it has now started to operate even when the settings sa... [Read more]

4

How to fix a biasi 24s combination boiler?

Biasi 24 s combi boiler. The problem is the central heating comes on randomly even though the thermostat for h... [Read more]

1

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]

2

I get hot water, but no central heating?

i get hot water, but no central heating,is it my drayton mid positon actuator valve, it is a Y plan system and... [Read more]

1

how can i fix my glow worm fuelsaver 60f?

it runs ok starts up and fires gets water in central heating warm and hot water warm but not hot checked room ... [Read more]

1

how can I fix my glow-worm fuelsaver?

it runs ok starts up and fires gets water in central heating warm and hot water warm but not hot checked room ... [Read more]