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Thermostat not satisfying

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briandonahue1800
briandonahue1800 Member Posts: 6
in Thermostats and Controls

I have a gas fired furnace system in a customers house, 2 of them and only one of them does cooling. The one that only does heating has a thermostat connected to a honeywell HZ311 zone board on zone 1 and it calls for heat and does not stop.


i switchd out the thermostat and it didnt work, ruled out a short in the wiring, and confirmed it has to be a thermostat issue. I have R W and G connected which i believe is for an electric furnace system. Is that why it isnt satisfying? If so, how should it be wired?


it was a battery operated honeywell and i switched it to a Nest. Should i try a different thermostat?

Comments

  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 12,132

    You have a smart thermostat the requires R W and C Correct?

    Did it operate properly when you had the previous Honeywell thermostat?

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?

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