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The differential pressure value is clearly visible on the internal scale located inside the housing
the Rheem-Ruud SP10963E Gas Valve provides the precision fluid control necessary for high-performance heating
a Neoprene (9JNS) or Hytrel insert should be utilized
Common Questions Can the RIBH2C be used to switch 277V lighting loads
McDonnell & Miller 157S Controller 30067439-890 The differential pressure value isThe 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