Optimized for Carrier RTUs: Validated for use in popular models like the 48HCEA071A and 48TC series to maintain factory safety certifications

technicians must verify the pressure setpoints and differential requirements before swapping

Designed with a CCW (Counter-Clockwise) rotation and a NEMA 42Y frame

or erratic lockout codes that cannot be cleared by a standard reset

Featuring a rugged die-cast aluminum housing and a beaded molded neoprene rolling diaphragm

Trane BUS1909 Bushing 320074-702 Optimized for Carrier RTUs: ValidatedThe Trane BUS1909 is a 1 inch Type H Split Taper Bushing designed for precision mounting of sheaves, pulleys, and sprockets in commercial HVACR drive systems. This split taper bushing features a high strength design that provides 360 degree clamping force, ensuring a secure, concentric fit on the shaft to minimize vibration and run out. As a genuine OEM Trane replacement part (also referenced as BUS01909), it is engineered to handle high torque