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We have 1247 questions about mending 'boiler thermostat'

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Mend Heating, Home Heating Systems

Glow-worm betacom 30c combi boiler overheat thermostat light flashing?

Overheat thermostat light flashing and reset will not work. Every time I reset it just goes back to fault. No ... [Read more]
Mend Heating, Home Heating Systems

drayton lp522?

Boiler comes on even when thermostat sais off. Boiler serviced 2 months ago. Boiler in house. Good insulation ... [Read more]
Mend Heating, Convector Heaters

Micron 50ff cutting out before room up to temperature?

Hello all; have an old 50ff although in the last year it has had fitted a new air pressure switch, new fan, ne... [Read more]
Mend Heating, Home Heating Systems

why is my combi boiler not staying fired for central heating. water fine?

my Glow worm combi has been having odd days when the central heating isn't working but then has been ok again ... [Read more]
Mend Heating, Home Heating Systems

How can I fix the timer on my Gledhill Boilermate central heating boiler?

I have a Gledhill BoilerMate system driving my central heating system which has a Grasslin Thermostat timing s... [Read more]
Mend Heating, Home Heating Systems

Baxi Combi 80e - Hot water Inconsistant?

I have a Baxi Combi 80e. I have an issue that the hot water doesn't run constantly when the tap is on and will... [Read more]
Mend Heating, Home Heating Systems

fitting thermostat?

Fitting thermostat to Glow-worm 24cxi boiler
Mend Heating, Home Heating Systems

Remeha Avanta plus boiler hot water is working but not central heating?

Can anyone help please? My boiler is heating hot water fine, but the central heating won't turn on. I've check... [Read more]
Mend Heating, Home Heating Systems

My Boss therm BR1 receiver works erratically?

My new Boss thermostat controls work erratically. Normally the BR1 receiver shows a green light at the top ( I... [Read more]
Mend Heating, Home Heating Systems

Siemens rdj10rf thermostat clock?

I have the Siemens rdj10rf thermostat clock and receiver. I changed the batteries on the thermostat, I pressed... [Read more]
Mend Heating, Home Heating Systems

ideal combi 30 boiler heating not working on timer only override?

The heating only comes on when I override the timeclock if in timer mode the timeclock keeps the correct time ... [Read more]
Mend Heating, Home Heating Systems

RDH10RF, thermostat not turning radiators on?

I've got a Worcester 28CDi boiler & Siemens RDH10RF thermostat. The batteries in thermostat died so i changed ... [Read more]
Mend Heating, Home Heating Systems

red flashing button siemens RCRIO/433?

red button keeps going from green to red on RCRIO/433 Receiver, the boilers temperature often goes a degree a... [Read more]
Mend Heating, Home Heating Systems

Glowworm cx30i gas boiler?

My boiler comes on intermittently when the thermostat is turned down below zero degrees. It is all running fi... [Read more]
Mend Heating, Home Heating Systems

Vokera Compact cutting out?

Boiler is cutting out and very reluctant to reset. In the last 3 hours I've reset 20+ times - it fires up but... [Read more]
Mend Heating, Home Heating Systems

Valiant thermostat , BMU-Err ?

Vaillant thermostat and boiler with the error message on thermostat What do I do?
Mend Heating, Home Heating Systems

I have a ferroli Modena 102 Modena boiler?

My central heating light on control panel keeps flashing and boiler will kick up then go of after 2 minutes bu... [Read more]
Mend Heating, Home Heating Systems

combi oil Worcester greenstar heatslave 12/18 switches off?

I have a internal combi oil Worcester greenstar heatslave 12/18 Its has a built programmer and Hot water t... [Read more]
Mend Heating, Home Heating Systems

home heating systems?

I have an 12 yr old Highflow Electronic system, which is working perfectly for hot water. However the heating ... [Read more]
Mend Heating, Home Heating Systems

digistat rf3 SCR wont talk to boiler?

i am installing a digistat rf3 to replace a previous digistat. the scr and remote digistat programmer/thermost... [Read more]

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