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McDonnell Miller
Series 64
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 Low Water Cut-Off
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.
Packless bellows
Optional manual reset.
1" NPT equalizing pipes required.
Maximum boiler pressure 50 psi.
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McDonnell Miller
Series 764
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 Low Water Cut-Off
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.
Packless bellows.
2 1/2" NPT side tapping provided for installation with close nipple.
Maximum boiler pressure 50 psi. |
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McDonnell Miller
Series 61
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 Low Water Cut-Off
For residential, commercial, and industrial applications.
For boilers of any steam capacity.
Adjustable BX outlet for easy installation.
Dual precision switches for dependable operation of the low water cut-off and alarm or electric water feeder.
Packless bellows.
1" NPT equalizing pipes and blow down valve required.
Maximum steam pressure 20 psi.
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McDonnell Miller
Series 67
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 Low Water Cut-Off
For residential, commercial, and industrial applications. For boilers of any steam capacity.
Quick hook-up fittings provided.
Lever-operated, full port ball valve for easy blow down .
Optional features - low voltage switches for self generating millivolt circuits & manual reset switch.
Maximum steam pressure 20 psi. |
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McDonnell Miller
Series 69
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 Low Water Cut-Off
For residential, commercial, and industrial applications. For boilers of any steam capacity.
Optional low voltage switches for self-generating millivolt circuits.
Maximum steam pressure 20 psi. |
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McDonnell Miller
Series 150
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 Low Water Cut-Off
For residential, commercial, and industrial applications. For boilers of any steam capacity. Monel bellows provides corrosion resistance.
Mercury switches for high temperature service.
Maximum pressure 150 psi. |
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McDonnell Miller
Series 157
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 Low Water Cut-Off
For residential, commercial, and industrial applications. For boilers of any steam capacity. Monel bellows provides corrosion resistance.
Float chamber with integral water column provided
Mercury switches for high temperature service.
Maximum pressure 150 psi. |
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McDonnell Miller
Series 157S
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 Low Water Cut-Off
For residential, commercial, and industrial applications. For boilers of any steam capacity.
Monel bellows provides corrosion resistance.
Float chamber with integral water column provided
Snap action switches for high temperature service.
Maximum pressure 150 psi. |
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McDonnell Miller
Series 767
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 Low Water Cut-Off
For residential, commercial, and industrial applications.
For boilers of any steaming capacity.
2 1/2" NPT body tapping for side mounting on boilers.
Lever operated, full port ball valve for easy blow down.
Adjustable BX outlet for easy installation.
Large float chamber. |
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McDonnell Miller
Series 42
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 Low Water Cut-Off
/Pump Controllers
For residential, commercial, and industrial low and medium pressure steam boiler with a separate water column.
Monel bellows provides corrosion resistance.
Single pole, single throw mercury switches.
Optional features - quick hook-up fittings, gauge glass connector, & BSPT threads.
Maximum pressure 50 psi. |
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McDonnell Miller
Series 193
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 Low Water Cut-Off
/Pump Controllers
For commercial and industrial low or high pressure steam boilers.
Maintains consistent water level regardless of pressure.
Water column with integral tappings for gauge glass and tri-cock installations.
No. 5 switch.
Magnetic repulsion eliminates needs for bellows.
1" NPT connections.
Maximum pressure 150 psi. |
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McDonnell Miller
Series 194
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 Low Water Cut-Off
/Pump Controllers
For commercial and industrial low or high pressure steam boilers.
Maintains consistent water level regardless of pressure.
Water column with integral tappings for gauge glass and tri-cock installations.
No. 5 switch.
Magnetic repulsion eliminates needs for bellows.
1 1/4" NPT connections.
Maximum pressure 250 psi. |
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Low Water Cut-Off
Low
Water Cut-Off/Pump Controllers
Low Water Cut-Off
Low Water Cut-Off
