MCDONNELL & MILLER Low Water Cut-Off Control: 64 Mfr Part #
SKU 3G-OTH-84964
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Frequently Asked Questions
What is the MCDONNELL & MILLER Low Water Cut-Off Control 64 used for?
The MCDONNELL & MILLER Low Water Cut-Off Control 64 is used to automatically shut off a boiler or heating system when water level drops below safe limits, preventing dry-fire damage. It is commonly installed on steam or hot water boilers in commercial and industrial HVAC applications.
What are the specifications of the MCDONNELL & MILLER Low Water Cut-Off Control 64?
The MCDONNELL & MILLER Low Water Cut-Off Control 64 is a low water cut-off device with manufacturer part number 64. It is designed for replacement in HVACR pumps, valves, and tubing systems. For detailed electrical ratings and pressure limits, consult the manufacturer's datasheet.
Where to buy the MCDONNELL & MILLER Low Water Cut-Off Control 64 worldwide?
You can source the MCDONNELL & MILLER Low Water Cut-Off Control 64 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to install the MCDONNELL & MILLER Low Water Cut-Off Control 64?
Install the MCDONNELL & MILLER Low Water Cut-Off Control 64 by mounting it on the boiler's water level sight glass or tapping into the boiler shell. Follow standard wiring practices for line-voltage controls and verify proper float operation. Always consult the manufacturer's installation manual for specific torque and clearance requirements.
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3G Electric supplies MCDONNELL replacement hvacr pumps, valves & tubing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














