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MCDONNELL & MILLER Low Water Cut-Off Control: 63 Mfr Part # - Replacement HVACR Pumps, Valves & Tubing
MCDONNELLReplacement HVACR Pumps, Valves & Tubing

MCDONNELL & MILLER Low Water Cut-Off Control: 63 Mfr Part #

SKU 3G-OTH-77673

Brand
MCDONNELL
Item
& MILLER Low Water Cut-Off Control: 63 Mfr Part #
Category
Replacement HVACR Pumps, Valves & Tubing
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Technical Specifications

MCDONNELL
Manufacturer Part Number
63
Product Type
Low Water Cut-Off
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MCDONNELL Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the MCDONNELL & MILLER Low Water Cut-Off Control 63 used for?

The MCDONNELL & MILLER Low Water Cut-Off Control 63 is used in steam and hot water boilers to automatically shut off the burner if the water level drops below a safe point, preventing dry-fire damage. It is a critical safety device for commercial and industrial heating systems.

What are the specifications of the MCDONNELL & MILLER Low Water Cut-Off Control 63?

The MCDONNELL & MILLER Low Water Cut-Off Control 63 is a low water cut-off control with manufacturer part number 63. It is designed for boiler safety applications. For detailed technical specifications, consult the product datasheet or contact 3G Electric.

Where to buy the MCDONNELL & MILLER Low Water Cut-Off Control 63 worldwide?

You can source the MCDONNELL & MILLER Low Water Cut-Off Control 63 worldwide through 3G Electric. As 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 63?

Install the MCDONNELL & MILLER Low Water Cut-Off Control 63 according to the manufacturer's instructions and local codes. Typically, mount it on the boiler water line, connect electrical wiring per the diagram, and test the cut-off function. Always consult a qualified technician for safety.

Used in

Common applications for MCDONNELL
Steam boiler low-water cutoff — McDonnell & Miller 61 level control
Condensate receiver level monitoring — McDonnell & Miller RS-4-BR-1 4-level sensor
HVACR pump suction filtration — McDonnell & Miller 340700 strainer basket assembly
Flow switch head replacement — McDonnell & Miller 63-HD head mechanism
Boiler control circuit safety — McDonnell & Miller 7-BM electrical switch with manual reset
Field servicing of flow switches — McDonnell & Miller 310452 cartridge kit

MCDONNELL Products

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.

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