369MV LOW WATER CUT-OFF W/ MILLIVOLT SWITCH Vendor_McDonnell & Miller • Test button to confirm

• Test button to confirm proper operation

To prevent steam vents from sputtering water or damage from water hammer

1 bar) modulated air output

• Optional gauge ports available to monitor output signal

• For low pressure steam and hot water boilers larger than 5

369MV LOW WATER CUT-OFF W/ MILLIVOLT SWITCH Vendor_McDonnell & Miller • Test button to confirmLow Water Cut Offs Mechanical For Steam Boilers Series 69 Built in Low Water Cut Offs For residential and commercial low pressure steam boiler applications For boilers of any steaming capacity For mounting in 212" NPT boiler side tappings Insertion lengths available in 1316 418" (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