McDonnell & Miller 310488 Switch Assembly Els PW 29614 this FNPT check valve provides

this FNPT check valve provides consistent performance in demanding fluid control layouts

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

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

Designed for reliable pressure monitoring and system safety

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

McDonnell & Miller 310488 Switch Assembly Els PW 29614 this FNPT check valve providesThe 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,