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I've gone thru 3 thermostats in the last 6 months, and the temperature on them goes wacky. I've tried everything except call someone. is there a trick or solution. this is the third honeywell thermostat I've gone through

  • What make and model is your furnace/air handler, and what model thermostats are you putting in? – ThreePhaseEel Dec 22 '18 at 20:52
  • it is the same system when i moved in-condo. the thermostats are honeywell with the switch for heat and a/c – user94591 Dec 22 '18 at 20:54
  • I need some model numbers here... – ThreePhaseEel Dec 22 '18 at 20:55
  • rth 2300b and rth645od – user94591 Dec 22 '18 at 21:01
  • Are you turning off the breaker for the furnace/air-handler when you put the new thermostats on? – ThreePhaseEel Dec 22 '18 at 21:07

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