this defrost tube thermostat monitors the temperature of the outdoor evaporator coil to prevent excessive ice accumulation

Universal Compatibility: Direct replacement for several 3ARR3 potential relay configurations used in food service and commercial HVACR

The E9-12-02 is engineered with corrosion-resistant inner and outer cores

6 Amp rating

Integrating this OEM Nordyne part ensures full compatibility with existing wiring harnesses

York S1-031-02995-000 Control Board 30067439-890 this defrost tube thermostat monitorsThe York S1 031 02995 000 Control Board is a genuine OEM replacement engineered for York gas electric HVAC units, specifically those utilizing the Simplicity Lite control platform. As a veteran grade two stage control board, it serves as the central logic hub, managing 2 stage heating and cooling sequences, blower motor timing, and gas valve sequencing. This board is critical for maintaining integrated diagnostics and safety monitoring, effectively