The Trane CNT4365 Defrost Control is a critical OEM replacement board designed to manage the initiation and termination of defrost cycles in residential heat pump systems

making it suitable for pumps

utilizing high-grade contact points for a reliable electrical connection

5") and your specific coil model number prior to installation

making it an essential component for maintaining HVAC system reliability and energy optimization

MARS 44514 Transformer 326010-701 The Trane CNT4365 Defrost ControlFor industrial grade power distribution and control circuits, the MARS 44514 Transformer provides a high reliability solution for modern HVACR systems. This 75 VA control transformer features multi tap primary connections for 120V and 277V, making it highly versatile for rooftop units and commercial equipment. Engineered with NEMA Class II construction, this open frame unit includes wire lead terminals for both primary and secondary connections,