this genuine Johnson Controls part is the standard for commercial HVAC pneumatic controls requiring dual setpoint adjustment visibility

connect the sample line to the "H" (1/4") port

By utilizing genuine OEM Trane parts

High Thermal Resistance: Optimized for heat exchanger environments where maintaining structural integrity under high pressure and temperature is non-negotiable

Honeywell RP418A1065 Relay Els PW 17895 this genuine Johnson Controls partThe Honeywell RP418A1065 is a heavy duty electric pneumatic relay designed to seamlessly bridge high voltage electrical circuits with pneumatic control systems. Operating at 480V 440V (50 60 Hz), this surface mounted solenoid valve is engineered for demanding industrial environments where reliable interlocking is mandatory. It functions as a versatile diverting relay, selector relay, or stop and bleed valve, providing contractors with multiple