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Integrated Control Relay: Combines sensing and switching functionality into a single device to save enclosure space and installation time
the NEMA 1 housing includes a physical Override Switch
Is the Lennox 16U86 compatible with R-410A systems
the pressure differential forces the balls against their seats
Lochinvar & A.O. Smith 100277758 Impeller 320819-301 Integrated Control Relay: Combines sensingThe Lochinvar & A. O. Smith 100277758 Impeller is a precision engineered 4. 75 inch plastic component designed for high efficiency hydraulic systems. As the 100277758 direct replacement for 100133559, this part ensures seamless compatibility with Lochinvar boiler pump systems and A. O. Smith water heaters. For technicians servicing high efficiency fire tube boilers or commercial water heaters, maintaining proper fluid velocity is critical for heat