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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Designed with a 1/2-inch crank arm
making it a versatile pneumatic receiver controller for maintaining stable temperature and humidity levels
21-27 bracket gasket
S1-THPU32HP7Y
6 Amp draw remains within the unit's nameplate specifications
McDonnell & Miller 157S Controller R-410A Designed with a 1/2-inch crankThe 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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