Trane CNT5482 Defrost Control R-407A This 200F manual reset limit

This 200F manual reset limit switch serves as a high-limit thermal safeguard

this valve eliminates the risk of both ports being open simultaneously

Can this dual control replace a single-function pressure switch

Low pressure drop design maintains system capacity and compressor efficiency

Can I use this to replace older mechanical thermostats

Trane CNT5482 Defrost Control R-407A This 200F manual reset limitThe Trane CNT5482 Defrost Control is a critical OEM replacement component engineered for Trane and American Standard heat pump systems. This microprocessor based defrost control board actively manages the transition between heating and defrost modes by monitoring both ambient temperature and coil temperature sensors. Designed to replace legacy part numbers like CNT05482 and D341122P01, this board is the primary logic center responsible for preventing