McDonnell & Miller 310488 Switch Assembly Els PW 29614 System Protection: Acts as a

System Protection: Acts as a primary refrigerant safety switch to prevent compressor overheating and liquid slugging during low-side pressure drops

Professionals trust this Lennox furnace part for its exact fit and consistent resistance values across extreme thermal cycles

This 5 MFD 250V rectangle capacitor serves as the direct cross for the 1149252

This control is rated for 120/277V AC and is specifically designed for pilot duty applications (50VA)

Always verify the valve stem diameter matches the 13

McDonnell & Miller 310488 Switch Assembly Els PW 29614 System Protection: Acts as aThe McDonnell & Miller 310488 is a field replaceable SWA 42S Snap Switch Assembly engineered specifically for Series 42S low water cut off and pump controllers. This single pole, single throw (SPST) mechanism provides precise automatic reset functionality, ensuring consistent boiler feed pump control and high limit safety across residential, commercial, and industrial steam applications. Built with a robust housing and high quality internal contacts,