McDonnell & Miller 64 Low Water Cut Off R-410A this MARS 34616 replacement includes

this MARS 34616 replacement includes welded terminal bolts to ensure low-resistance electrical connections

the switch automatically resets to restore system functionality

this flare x male pipe x flare tee is a reliable choice for field repairs and custom manifold builds

Why is it necessary to replace the gaskets during burner service

This OEM power module ensures seamless integration with the Danfoss AK-System Manager ecosystem

McDonnell & Miller 64 Low Water Cut Off R-410A this MARS 34616 replacement includesThe McDonnell & Miller 64 (Part Number 143600) is a heavy duty mechanical low water cut off engineered for reliable water level regulation in residential and commercial hot water and steam boilers. Designed for systems with a maximum boiler pressure of 50 PSI, this auto reset control features a 1" NPT threaded connection for seamless integration into equalizing piping. It utilizes a packless bellows construction and double pole, single throw (DPST)