SO1 Thermostat


The S01 is compatible with most GeoStar system including single/dual capacity with ECM or PSC blower motor. This robust thermostat utilizes Comfort Talk, text based display and wireless communication with accessories.

*Optional RF Module shown on thermostat

S01 Thermostat


Auto Changeover

Provides the option to automatically switch from heating to cooling with no effort.

Comfort Talk

Thermostat automatically translates Fault Flash codes to on-screen text for easy diagnosis.


Ability to regulate different temperatures for different days or times of day.

Fault Flash

Faults are communicated via light flash.

Text Based

Current conditions and status messages are rendered on-screen in text.


Ability to gather additional data on indoor/outdoor temperature.


4.43” H x 5.33” W x 1.0” D
Download Owners Manual
Download Thermostat Product Line Brochure

Accessories available

TSS01 – Indoor/outdoor wireless temperature sensor
CCMS01 – Comfort call module
RFMS01 – 900 MHZ wireless transceiver module utilizes a frequency hopper to avoid interference so that sensors, accessories, and thermostat can operate at top performance without ugly connecting wires.

Suitable For

Single or dual capacity geothermal units with ECM or PSC blower motors.

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