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  • Guys, I have an unbelievably embarrassing question which no amount of googling can help.

    I moved into a place about 6 weeks ago, it has a pretty new Worcester boiler and thermostat. All seems in good working order, the hot water and radiators all work.

    However the thermostat doesn’t actually do anything. At my old place I’d just leave the radiators open, have the temperature set on the thermostat, and the radiators would heat/you’d hear the boiler flicking on and off to keep it at that temperature. But here the temperature I set on the thermostat doesn’t affect the radiators in any way - it doesn’t matter whether I have the thermostat off or set to 25°, or doesn’t control the radiator output in any way.

    The only thing which affects it is controlling the individual radiators. So I have the radiators on now and it’s fine, but when I go out/go to bed I turn them off, but then obviously it’s freezing later and when I come home/get up in the morning I have to run around and turn them all on again.

    I’ve read the boiler/thermostat instructions and they’re all very standard, it just doesn’t correlate to what I’m actually finding. Does anyone have any ideas or references I can check? I don’t need to do anything complicated, just want to be able to set the thermostat to keep the main rooms at a nice temp throughout.

  • Is the thermostat one of the old dial types? Can you hear it click as you adjust it?

    Post photos of the controller and the thermostat

  • & @Airhead thank you both, appreciate that my woeful explanation/knowledge on this probably makes it hard to help.

    I’ve added photos of the controller and of the boiler itself. For the sake of this photo I’ve switched the heating on the controller to “on” but I’ve had it off for the last week because it makes no difference. When on it doesn’t actually control the radiator output to get the current temperature to the target temperature.

    On the boiler, the radiator symbol is currently blinking every couple of seconds which indicates that it’s active and working as expected (according to the manual) which does make sense. That works as expected in line with whether the radiators are on or off, but doesn’t correlate with the thermostat settings. That’s the bit at the end of Airhead’s post which is throwing me off completely - surely if I have the heating turned off at the thermostat the radiators shouldn’t do anything regardless of whether they’re individually open or not?

    The set up in the old place was about 20 years old and far easier!

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