McDonnell & Miller 64 Low Water Cut-Off

This McDonnell product is used for residential, commercial, and industrial applications. It is made to be heavy duty and includes No. 2 switch. There is a optional manual reset available and has a maximum boiler pressure 50 psi (3.5 kg/cm2). 1" (25mm) NPT equalizing pipes required with dual precision switches for dependable operation of the low water cut-off and alarm or electric water feeder.

Please see technical tab for literature

McDonnell & Miller Technical Literature