Marvair 70646 Temp Sensor mario this exterior vent hood minimizes

this exterior vent hood minimizes installation time and maintains a professional finish

Check your existing part number or system manual to confirm a 24V two-stage configuration

While it functions as a standard DPST or SPDT relay depending on the circuit

it features an automatic reset function that restores operation once temperatures return to a safe range

Key Benefits: OEM Compatibility: Precision-engineered for exact fit in Trane and American Standard units

Marvair 70646 Temp Sensor mario this exterior vent hood minimizesProfessional grade climate control requires precise component calibration, and the Marvair 70646 is the critical inside low ambient temperature sensor for maintaining system integrity. Engineered to function as a specialized low ambient switch, this OEM component monitors internal air temperatures to prevent evaporator freeze ups and compressor damage during cold weather operation. It features a 1 4" connection for standard fitment and is rated for