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MCDONNELL 63-M-HD Head Mechanism - Replacement HVACR Pumps, Valves & Tubing
MCDONNELLReplacement HVACR Pumps, Valves & Tubing

MCDONNELL 63-M-HD Head Mechanism

The MCDONNELL & MILLER 63-M-HD is a head mechanism, a replacement component for HVACR pumps, valves, and tubing. It is compatible with manufacturer part number 63-B-M. This product is designed as a direct replacement…

SKU 3G-OTH-84168

Also listed as: 63MHD · 63 M HD

Brand
MCDONNELL
Item
63-M-HD Head Mechanism
Part Number
63-M-HD
Category
Replacement HVACR Pumps, Valves & Tubing
Available to Order
Also known as:63-M-HDMCDONNELL
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MCDONNELL
Manufacturer Part Number
63-M-HD
Product Type
Head Mechanism
Compatible Manufacturer Part Number
63-B-M

Technical Documents

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MCDONNELL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MCDONNELL & MILLER 63-M-HD is a head mechanism, a replacement component for HVACR pumps, valves, and tubing. It is compatible with manufacturer part number 63-B-M. This product is designed as a direct replacement part for compatible MCDONNELL & MILLER equipment.

Frequently Asked Questions

What is the MCDONNELL & MILLER 63-M-HD head mechanism used for?

The 63-M-HD is a replacement head mechanism for HVACR pumps, valves, and tubing. It is designed as a direct replacement part for compatible MCDONNELL & MILLER equipment, specifically for systems using the 63-B-M compatible part number.

What are the specifications of the MCDONNELL & MILLER 63-M-HD?

The 63-M-HD is a head mechanism with manufacturer part number 63-M-HD. It is compatible with manufacturer part number 63-B-M. This MCDONNELL & MILLER component is designed as a direct replacement for compatible equipment in HVACR systems.

Where to buy the MCDONNELL & MILLER 63-M-HD worldwide?

3G Electric supplies the MCDONNELL & MILLER 63-M-HD head mechanism worldwide. 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 63-M-HD head mechanism?

Installation should follow standard HVACR component replacement practices. Ensure power is disconnected, remove the old head mechanism, and install the 63-M-HD as a direct replacement for the 63-B-M compatible part. Always consult the equipment manual for specific torque and alignment requirements.

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
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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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