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The FS251 features a NEMA 1 enclosure
Common culprits include moisture buildup in the silicone tubing
the HU-225-2-MA supports a wide 12-40Vdc supply voltage and includes an unpluggable terminal block for simplified wiring
It is fully compatible with a wide range of refrigerants
Key Benefits Compatible with Honeywell PP901A and B Series pressure regulators and pressure controllers
Johnson Controls P74BA-1 Pressure Control 30067439-890 The FS251 features a NEMAThe Johnson Controls P74BA 1 is a robust differential pressure control designed for demanding commercial HVACR applications, including chiller proof of flow and refrigeration compressor lube oil monitoring. Engineered with stainless steel bellows, this SPST pressure switch effectively measures the variance between two sensing points, opening the circuit on a decrease in pressure difference. This action is critical for protecting equipment from low
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