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iO HVAC Controls, iO-TWIN-TR, Universal Twinning Kit with 20VA Transformer
iO-TWIN-TR Includes Only:
Features:
The Twinning Kit is designed to allow a single thermostat to control two identical HVAC units. It can also be expanded to control 4 identical HVAC units with one thermostat. The iO-TWIN-TR can be used on common or separate ducted systems with single-stage, multi-stage, or heat pump equipment. Uses standard 18-gauge thermostat wire. Thermostats and HVAC units can be located up to 300' from the twinning kit panel.
Board Diagram:
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