the Johnson Controls D-9502-604 Arm Assembly is the essential component for maintaining operating span calibration on pneumatic systems

Highly compatible HVAC service part that replaces legacy pressure switch models like AP16577

maintaining the specific pressure drop and mass flow rates required for OEM performance

including 18M26 and 18M2601

Direct OEM Compatibility: Engineered as the manufacturer-specified reversing valve with 24V coil for exact electrical and mechanical alignment

Trane CTR2613 Contactor 340793-762 the Johnson Controls D-9502-604 ArmThe Trane CTR2613 Contactor is a heavy duty 3 pole definite purpose contactor engineered for high demand HVACR applications. Specifically built with a 24V coil and rated for 40 FLA (Full Load Amps), this component provides reliable switching for compressors and motors. It features a unique 2 pole configuration on a 3 pole frame, offering the small footprint required for tight control panels while maintaining the robust electrical clearance of a