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a Neoprene (9JNS) or Hytrel insert should be utilized
the Uni-Match technology is specifically designed to interface with both modern probe-style and traditional float-style mechanical controls
capable of handling the high inrush currents typical of 3-phase compressors
The differential pressure value is clearly visible on the internal scale located inside the housing
Optimized Ignition: Features a 24V gas control assembly designed to sync perfectly with Lennox furnace control boards
McDonnell & Miller 157S Controller 30067439-890 a Neoprene (9JNS) or HytrelThe McDonnell & Miller 157S is a heavy duty combination low water cut off and pump controller engineered for commercial and industrial steam and hot water boilers. This specific OEM part #173502 features the 157S series head mechanism (part #173003) equipped with a snap acting SPDT switch. Designed for high pressure applications up to 150 psi (10. 5 kg cm), this controller ensures precise liquid level management, acting as a critical failsafe by
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