Robertshaw 2374-500 Pressure Switch 318518-761 Corrosion Resistance: Heavy-duty aluminized steel

Corrosion Resistance: Heavy-duty aluminized steel construction resists oxidation and scaling during high-demand heating cycles

Top Guided Design: Provides precise alignment of the disc and seat to ensure consistent popping pressure and reseating

ensuring protection for internal components while facilitating quick mounting to standard electrical boxes via the 1/2-inch NPT nipple

Designed for direct mechanical compatibility with existing furnace draft inducer assemblies

Robertshaw 2374-500 Pressure Switch 318518-761 Corrosion Resistance: Heavy-duty aluminized steelThe Robertshaw 2374 500 Pressure Switch is a high performance, field adjustable air sensing switch designed for critical monitoring in residential and light commercial HVAC systems. This SPDT (Single Pole Double Throw) control is engineered to sense positive, negative, or differential air pressure, making it a versatile replacement for a broad range of furnace pressure switches, electronic air cleaners, and humidifiers. Operating reliably in extreme