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For residential, commercial, and industrial boiler applications of any steaming capacity. Heavy Duty. Adjustable BX outlet for easy installation. Dual precision switches for dependable operation of the low water cut-off and alarm or electric water feeder. Pack less bellows. Optional manual reset available. 1" (25mm) NPT equalizing pipes required. Maximum boiler pressure 50 psi (3. 5 kg/cm2). Use with TC-4 on hot water systems. Made in the USA.

McDonnell & Miller Series 64 Low Water Cut-off,  Mechanical

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