honeywell smartfit controller

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    Honeywell Smartfit Room Unit Blank LCD

    Hi, We have a problem with our Honeywell Smartfit room unit, T8677B1006. It has suddenly developed a blank display on the LCD on the old unit. We have checked the following; Power to the Base Unit - 230v to the base unit, Power at the room unit connection on the base unit - Yes 12v Power supply...
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    Honeywell Smartfit to Nest installation

    Hi, Just looking for a little help and guidance on installation of a nest heating system. I currently have a conventional boiler system with hot water tank. I have a Honeywell Smartfit thermostat system; the wiring is basically specialised so not able to “plug and play” the nest system as it...
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    Honeywell Smartfit issue......

    Good Evening, I'm not a plumber and I have little knowledge but I would be grateful of any advice. I have a Potterton Suprima combi boiler mated to a Honeywell Smartfit Y plan set up. We have had a problem with the room thermostat (a T8677A1008 7 day programmer) whereby it goes blank and we...
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