Robertshaw 2374-500 Pressure Switch 320819-301 preventing common issues like humming

preventing common issues like humming

and function remain the same

Simplified Commissioning: Automatic self-stroking feature adapts the actuator to the specific valve stroke for precise hydronic balancing

What is the exact diameter and length for compatibility

press the manual reset button located between the terminals until it clicks to restore the circuit

Robertshaw 2374-500 Pressure Switch 320819-301 preventing common issues like hummingThe 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