The Trane ARM0058 Crank Arm is a critical OEM component designed for high-precision HVAC damper linkage systems

Field technicians rely on the RHGP-G for its rugged construction and repeatable setpoints

What components are included in this repair kit

and Janitrol residential gas furnaces and RTUs

Carrier HK06MB021 Pressure Switch 340793-762 The Trane ARM0058 Crank ArmThe Carrier HK06MB021 Dual Pressure Switch is the primary OEM replacement part for the now obsolete HK06NB021. Engineered for Carrier, Bryant, and Payne HVAC units, this factory authorized component manages critical safety parameters by monitoring induced draft blower performance and refrigerant line pressures. Calibrated to a specific 0. 78 W. C. pressure setting, this differential pressure switch prevents the heating or cooling cycle from continuing