Dwyer Instruments 1996-20 Pressure Switch 320074-702 low-speed airflow necessary to keep

low-speed airflow necessary to keep head pressures stable without excessive noise

For technicians managing Schneider Electric valve replacement or retrofitting

while 240V setups utilize a 3 MFD/370 VAC capacitor (sold separately)

Optimized Drainage Slope: Features a factory-tapered design to facilitate immediate moisture runoff toward the primary drain port

single-stage 24V natural gas valve designed specifically for precision fuel regulation in light commercial and residential HVAC systems

Dwyer Instruments 1996-20 Pressure Switch 320074-702 low-speed airflow necessary to keepThe Dwyer Instruments 1996 20 Pressure Switch is a high performance, compact solution engineered for precise pressure monitoring in gas fired furnaces and industrial combustion equipment. This gas pressure switch utilizes a sensitive silicone diaphragm to detect pressure changes in the 4 to 20" w. c. range with high repeatability. Designed for versatile integration, the 1996 20 features a dual threaded bottom connection that provides both 1 8" female