5-ton air handlers and heat pumps

Using a genuine Johnson Controls York 025-47116-005 ensures seamless integration with the existing system controller over the refrigerant flow control circuit

Common Contractor Questions: Is this the correct replacement for the older S1-022-06852-001

this replacement regulator spring offers long-term setpoint stability and resistance to fatigue

Professional-grade Johnson Controls T-4000-3140 plastic covers are engineered for high-performance pneumatic room thermostat applications

Trane CNT08177 Defrost Board 319852-301 5-ton air handlers and heatWhen resolving ice accumulation issues on outdoor heat pump coils, the Trane CNT08177 Defrost Board is the precise field replacement required for residential and light commercial units. This OEM Trane control board (superseding CNT07932 and D161244G01) manages the critical transition between heating and defrost modes. By monitoring the outdoor ambient temperature and liquid line thermistors, the Trane CNT08177 ensures the reversing valve and outdoor