McDonnell & Miller 310488 Switch Assembly Els PW 29614 This control is rated for

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

Always verify the valve stem diameter matches the 13

System Longevity: Helps prevent compressor failure by ensuring only vaporized refrigerant returns through the suction line

System Stability: Engineered to reduce hammering effects with flash steam through precise pressure differential management

McDonnell & Miller 310488 Switch Assembly Els PW 29614 This control is rated forThe 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,