Fix Fault Boiler Thermostat

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We have 1247 questions about fixing 'boiler thermostat'

Kingfisher MF RSL60 Boiler?

When the room thermostat switches of the pump stops straight away but the boiler stays lit for approximately 2mins causing lockout this does not happen every time.


I can't get the heating to work on my Ferroli F24B?

Can anyone help. My Ferroli F24B boiler is suppling hot water but no central heating. I have checked the batteries in the remote thermostat, checked the timer and followed the fault finding in the man ... more


Boss wireless thermostat?

I followed the instructions given on the forum and reset the system, the heating comes on for a short while then the Boss system goes off again. I have reset it four times and the same thing keeps hap ... more


Faulty thermostat?

Has anyone had an issue where the thermostat of a Siemens RDJ10RF/SET-GB is 'wrong' and display indicates room temperature of 40C? Over-ride on the receiver unit switches the boiler on, but that's not ... more


Firebird popular 82?

hi can anyone help. My boiler stop.d working. I press,d reset button it fired up but won't turn off until the timer on clock cuts out, then it won't fire up again until I turn thermostat on top of boi ... more


How do I reprogram my ideal bolier rf thermostat receiver?

bought a new Honeywell rf thermostat cm927 same as the old one. How do I get the ideal boiler receiver module to connect with it. The receiver has only 1 red led and 1 button


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Central heating not working boss therm BP524RF?

Hi common problem, boiler central heating not coming on after winter. Tried the instructions given in other postings(thank you), but no central heating, water ok. green light on receiver all the time ... more


Vokera 29a compact?

Boiler fires up for hot water no problem but also fires up for heating for around an hour or until boiler reaches temp but won't come back on again for hours, is this a thermostat problem??


resetting thermostatat?

How do you reset a sunvic 222-6001 RFPV thermostat after replacing batteries? our boiler is a eco TEC pro vuw vaillant?


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Siemens RDH10RF thermostat - hot water but no heating ?

for some reason my digital thermostat isn't telling the boiler to get the heating on! I have reset but nothing happens. Can anyone help? Probably just being an idiot (!)


How can I fix Remeha Avanta Plus 28c over heating?

Boiler is showing no error codes is set at factory setting of 75c but is over heating getting to 95+before shutting down rads red hot pressure building to 4 bar. Changed flow stats and control panel ... more


Overheat Light stays on Baxi 30/80?

The overheat light will not go out even when I wait + 10 secs after turning the thermostat anti clockwise. The fuse had blown on the power feed to the boiler. Significant ?


Siemens RDJ10 and new boiler?

I have a siemens RDJ10 I have just had a new Worcester Bosch boiler fitted and have been told I need a new thermostat/control. Can I use my existing Siemens Thermostat with new boiler?


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Ideal Classic no heating but have hot water?

HI all, i have just found this fabulous site, I wonder if anyone could help as right now things are just miserable. I have had on going issues, the latest is no heating for the past month despite p ... more


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not turn off?

my danfos fp715si will not turn the boiler off. I have to use the thermostat to turn the boiler off. Tried the reset button with no success.


My boiler is a Thorn EMI Boiler F ?

I have a Thorn EMI Boiler F. The heating was working yesterday- but the radiators were boiling hot and when I tried turning the wall thermostat down they remained boiling so I turned everything off. I ... more


How do I solve it any clues?

My boiler switches on at the preset temperature but when it reaches the cut off temperature the red led light on the receiver comes on and the boiler will not switch off when ever it feels like it I ... more


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how can i fix my thermostat?

I have I ferroli he plus boiler. my thermostat is a siemans rdj 1 orf which has stopped working. can anyone help me to fix it.?


How can I fix my Glowworm 70FF boiler?

Hi. My boiler does not always start running when the programmer and thermostat are both "ON". The programmer light is on and the thermostat is calling for heat, but the boiler just sits there, and the ... more


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BG 532 boiler and RS1 thermostat. CH not working?

When I turn the thermostat dial, there's no clicking sound and it doesn't start the CH. I haven't a clue how to troubleshoot this or fix it. Can someone please make some suggestions. Thanks


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