Mcdonnell & Miller 169MV, Float Type Low Water Cut-Off, 3-1/8" Insertion Length with Millivolt Switch (Steam)

" For residential and commercial low pressure steam boiler applications Specifications For boilers of any steaming capacity For mounting in 21/2"" NPT boiler side tappings Insertion lengths available in 13/16 - 41/8"" (30-105mm) Packless bellows Adjustable BX outlet for easy installation Dual precision switches for dependable operation of the low water cut-off and an alarm or electric water feeder Maximum steam pressure 20 psi (1.4 kg/cm2) "