Trane CNT1170 Defrost Control 30067439-890 Direct-Fit Connector: Features factory-crimped terminals

Direct-Fit Connector: Features factory-crimped terminals designed to mate perfectly with the Ign Control Upper pins

the system gauge scales can be adjusted if the safety relief valve is matched to the specific requirements of the downstream pneumatic equipment

Durable OEM Construction: Industrial-grade materials resist corrosion and withstand the high temperature environments typical of unit heater applications

High Voltage Threshold: The 330V AC rating offers robust electrical headroom to prevent dielectric breakdown during voltage spikes

Trane CNT1170 Defrost Control 30067439-890 Direct-Fit Connector: Features factory-crimped terminalsThe Trane CNT1170 Defrost Control is a critical OEM replacement part designed for precision management of the defrost cycle in high efficiency heat pump systems. This SPST (Single Pole Single Throw) control utilizes a 70Op 37Cl calibration, specifically engineered to open at 70F and close at 37F. By accurately monitoring the evaporator coil temperature, the CNT1170 prevents excessive ice accumulation that can lead to reduced airflow and potential