Pump Controllers

McDonnell & Miller
150s

• 150s model
• Monel bellows provides corrosion resistance
• Snap action switches for high temperature service
• Cut-off and alarm actuation

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McDonnell & Miller
157s

• 157s model
• Monel bellows provides corrosion resistance
• Snap action switches for high temperature service
• Cut-off and alarm actuation

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McDonnell & Miller
194

• 194 model
• Maintains consistent water level regardless of pressure
• For boilers of any steaming capacity
• Magnetic repulsion eliminates need for bellows

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McDonnell & Miller
Head Mechanism

• 150s-HD
• Motorized valve controller
• Low or High Water Cut-off
• Alarm actuator
• Primary or Secondary pump controller for Steam Boilers

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