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The IO HVAC CONTROLS T-OTS is an outdoor temperature sensor designed to work with compatible programmable thermostats in residential and light commercial HVAC systems. The sensor monitors outside air temperature and transmits that data to the thermostat, enabling outdoor temperature-based control logic. Measuring 3 inches wide, 1 inch high, and 4.75 inches deep, the T-OTS is a compact unit suited for exterior wall mounting. Weighing 0.15 pounds, it is a lightweight accessory component that HVAC technicians install as part of a thermostat commissioning or upgrade project.
The T-OTS is intended for use with the IO HVAC CONTROLS T-32-P and UT32 thermostat models. It is typically installed in residential split systems and light commercial applications where outdoor temperature sensing is required for occupancy-based or temperature-differential control strategies. The sensor is mounted on an exterior wall or enclosure and wired back to the thermostat low-voltage terminal block.
Designed for use with IO HVAC CONTROLS T-32-P and UT32 thermostats as a dedicated outdoor temperature sensor accessory.
Installation is typically performed by a licensed HVAC technician. Power down the thermostat and HVAC system at the breaker before making any low-voltage wiring connections. Mount the sensor on an exterior wall in a location shielded from direct sunlight and precipitation to ensure accurate ambient readings. Follow the thermostat manufacturer wiring diagram for proper terminal assignment and sensor configuration.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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