this Trane component provides the electrical integrity necessary for professional-grade installations

the MK4-3121 utilizes an internal spring-return mechanism that automatically retracts the actuator shaft upon loss of supply air

minimizing shaft runout and extending the life of your motor bearings

or cracked porcelain insulators leading to a secondary short circuit

The System Sensor 5602 utilizes terminal screws with Easy-to-Wire SEMS plates to maintain secure 14–22 AWG wire connections

Browning H 1 3/8 5/16 Bushing 320788-702 this Trane component provides theThe Browning H 1 3 8 5 16 Bushing is a precision engineered split taper bushing designed for high torque mechanical power transmission in HVACR and industrial drive systems. Featuring a 1 3 8" bore diameter and a standard 5 16" x 5 32" keyseat, this component ensures a secure, concentric fit on the shaft, effectively eliminating the vibration and slippage common with straight bore pulleys. The Browning H series bushing utilizes a double split barrel