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McDonnell & Miller General Catalogue Industrial Controls

McDonnell & Miller Series 69 Low Water Cut-Offs Mechanical Built in For Steam Boilers

•For residential and commercial low pressure steam boiler applications
•For boilersofanysteaming capacity
•For mounting in 21⁄2″NPT boilersidetappings
•Insertion Length available in 13⁄16-41⁄8″(30-105mm)
•Packless Bellows
•Adjustable BX outlet for easy installation
•Dual precision switches for dependable operation the low water cut-off and an alarm or electric water feeder
•Optional low voltage switches for self-generating millivolt circuits
•Maximum Steam Pressure 20psi (1.4kg/cm2)

The McDonnell & Miller Series 767 provides continuous protection against a low water condition. Furthermore it satisfies pump control needs for commercial and industrial steam boilers.

If you need a different model other than those listed, please contact us at

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