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H9 and L9 errors?
Hot water but no central heating?
Remote timer bps242rf how does it work ??? ?
renewing batteries?
Replace a wireless termostat with a hard wired one?
is there a way to just simply turn the temperature up?
Mid position valve?
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Honeywell921?
How to remove the front cover of my Digistat 2RF receiver?
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channel plus xl model h37 timer showing 14.76 and none of the buttons are w?
do i need a new dt20rf programmer?
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digistat not working properly?
24i fan keeps stopping poss bearing ?
The light on the heating is fading in and out on my lp112 control panel?
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