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HONEYWELL CT2700: 2 messages

screen stopped displaying ".5" degrees in Celsius We've been using this thermostat for several years now in an older home with radiators and a natural gas boiler. Living in Canada we prefer Celsius to Fahrenheit and the thermostat used to show 21.5 or 17.5 on the screen.... Forum: diplofix.com - From: J.S. - Date: 2009-01-15 18:32:49

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t8700 my thermostats screen just turns blank after it is on and then it stops everything. when i turn the switch on to cool it resets or something and then stays on. but when i switch is to off or heat... Forum: diplofix.com - From: johnny cash - Date: 2008-12-13 20:56:32