Quote:
Originally Posted by cmikego74
My zone 2 only has elec on thermostat. I think it's already directly wired to basement. I just need to figure out if sensor for tanks is bad. The heat exchanger in basement works
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Maybe the difference in two and three heat pumps. I set mine all to gas heat when running the basement heat and switch when temps are higher to the three heat pumps
Be interesting to see what you find. Maybe just use your multi meter and be sure the thermostats are sending a signal for heat
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