Trane CNT1859 Defrost Control THPU32HP7Y while the included 5-foot capillary

while the included 5-foot capillary tube provides ample reach for remote bulb placement

What is the purpose of the dual contacts on the OSY2

This model utilizes a standard four-terminal configuration for power and signal

Use a multimeter to verify it stays within +/- 5% of its 12

the 425086 relay offers seamless integration into existing control circuits

Trane CNT1859 Defrost Control THPU32HP7Y while the included 5-foot capillaryThe Trane CNT1859 Defrost Control is an OEM dual compressor control board engineered for precise management of the defrost cycle in high capacity light commercial heat pump systems. This critical component utilizes demand defrost logic to optimize system efficiency by monitoring ambient temperature and coil conditions, preventing unnecessary cycles that lead to mechanical wear. Designed as a direct replacement for various Trane and American Standard