Sporlan 100939-202940 Valve Refrigerant The unique thermo-bonded coating on

The unique thermo-bonded coating on the thermostat prevents mineral buildup

Negative Pressure Compatibility: Engineered specifically for direct-fired negative pressure burners often found in industrial makeup air systems

this air pressure differential switch ensures that the inducer fan is generating sufficient draft before allowing the ignition sequence to proceed

This 1-1/4 inch NPT relief valve is designed to manage thermal expansion and protect against over-pressurization with a factory set point of 40 PSI

Simplified Field Calibration: Features external setpoint adjustment to reduce downtime during system balancing

Sporlan 100939-202940 Valve Refrigerant The unique thermo-bonded coating onThe Sporlan 100939 202940 is a high performance A9SE solenoid operated regulator designed for precise hot gas bypass and suction pressure control in commercial refrigeration and HVAC systems. Featuring an externally equalized design and an integrated 120V electric shut off, this valve ensures stable evaporator pressures while preventing compressor short cycling during low load conditions. Built with a rugged ductile iron body and 5 8" ODF copper