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It will close the circuit automatically once the sensor detects the temperature has dropped to approximately 95°F
ensuring the control board can accurately modulate the firing rate and maintain the correct delta T across the heat exchanger
though technicians should still use appropriate PPE when operating high-temperature valves
Built to handle a 40 amp inductive load and a 50 amp resistive load
Common Questions: Is the Williams P200200 a normally open or normally closed switch
McDonnell & Miller FS4-3J Flow Switch Els PW 17895 It will close the circuitThe 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
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