utilizing the monitored conductor to drive the N

Optimized Coil Voltage: Features a standard 120 Volt coil

When troubleshooting furnace diagnostic codes related to open limits

this is a high gas pressure switch designed to open the circuit on a pressure rise

75 to 50 A

McDonnell & Miller FS4-3J Flow Switch 30067439-890 utilizing the monitored conductor toThe McDonnell & Miller FS4 3J Flow Switch (Part Number 114610) is a heavy duty, general purpose liquid flow switch designed for HVAC and industrial hydronic systems. This model features a 1" BSPT connection, making it a critical component for international piping standards or specific domestic applications requiring British Standard Pipe Threads. Equipped with a Single Pole, Double Throw (SPDT) switch, the FS4 3J provides versatile signaling for