and Allied Air units

facilitating accurate differential pressure sensing across the heat exchanger or vent system

including the RN series

Using a lower-rated contactor can lead to contact welding and potential motor failure

Precise Thermal Calibration: The L180-20F rating ensures accurate circuit interruption to prevent heat exchanger damage

Johnson Controls A-4210-6001 Drain Trap Freon and Allied Air unitsThe Johnson Controls A 4210 6001 is a professional grade automatic drain assembly designed for high performance moisture removal in compressed air systems and pneumatic control circuits. As the direct replacement for the legacy A 4210 601, this unit features updated internal components for improved reliability and faster cycling. Precision engineered for HVAC pneumatic systems, the assembly includes a replacement drain trap, a durable polycarbonate