It is natively compatible with unit heaters

installing this genuine Rheem Protech part restores proper system drainage and protects internal electronics from moisture damage

Where is the set screw located

Rugged Build: Engineered to withstand the extreme thermal cycling and vibration inherent in outdoor condenser environments

preventing the common performance drift associated with generic universal alternatives

Trane CNT4960 Control 321894-706 It is natively compatible withThe Trane CNT4960 (also identified as CNT04960) is a high performance OEM high pressure control switch engineered for critical system protection in commercial and residential HVAC units. This SPST normally closed safety switch is designed to monitor discharge line pressure, effectively preventing compressor damage by opening the circuit when pressures reach 650 PSI. The control automatically resets and closes once the system pressure stabilizes at 550