Trane ARM0058 Crank Arm Heavy-duty SPST switch construction designed

Heavy-duty SPST switch construction designed to withstand the high-temperature environment of the furnace blower compartment

reducing unnecessary service callbacks for manual resets

Replacing a brittle or leaking tube with this genuine Honeywell tube-spring assembly restores the integrity of the pneumatic loop

Leak Prevention: Includes a factory-spec faucet seat cup to eliminate drips and maintain system hygiene

By swapping out the TEV orifice with this genuine Sporlan 168082

Trane ARM0058 Crank Arm Heavy-duty SPST switch construction designedThe Trane ARM0058 Crank Arm is a critical OEM component designed for high precision HVAC damper linkage systems. Featuring a specific . 38" diameter bore, this crank arm is engineered to integrate seamlessly with Trane actuator assemblies and linkage rods, ensuring reliable torque transfer in variable air volume (VAV) and rooftop unit (RTU) applications. As a direct OEM replacement part, the ARM0058 eliminates the alignment issues common with