The Trane CNT08175 Defrost Control Board (also known as D161246G01) is a critical component designed to manage the defrost cycle in Trane heat pump systems. It ensures optimal performance by preventing frost buildup on the outdoor coil, thereby maintaining energy efficiency and prolonging equipment life. Key Features Automatic defrost control for heat pump systems Helps maintain maximum heat transfer efficiency Protects system from performance degradation due to frost OEM replacement part for precise compatibility Easy integration into Trane control systems Specifications Part Numbers: CNT08175 / D161246G01 Type: Defrost Control Board Function: Controls and initiates defrost cycles based on system parameters Mounting: Direct-fit replacement in designated Trane models Voltage: Compatible with unit control voltage Compatible Models 4TWR4060G1000AC 4TWR4024G1000AC 4WCC4048E1000AA 4WCC4060A1000AA Why Choose This Item Choose the CNT08175 Defrost Control Board for reliable, OEM-level performance in your Trane heat pump. It ensures proper defrost timing to keep your system running smoothly even in cold conditions, preventing ice accumulation and reducing the risk of compressor strain or damage. Trust Trane parts for long-lasting, efficient system operation.