MCDONNELL 150S-MD-HD Low Water Cut-Off
The MCDONNELL & MILLER Level Control Head Mechanism is a Low Water Cut-Off replacement part for HVACR pumps, valves, and tubing. It features a 150S-MD-HD snap switch and carries the manufacturer part number 150S-MD-HD.
SKU 3G-OTH-77605
Also listed as: 150SMDHD · 150S MD HD
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The MCDONNELL & MILLER Level Control Head Mechanism is a Low Water Cut-Off replacement part for HVACR pumps, valves, and tubing. It features a 150S-MD-HD snap switch and carries the manufacturer part number 150S-MD-HD.
Frequently Asked Questions
What is the MCDONNELL & MILLER 150S-MD-HD low water cut-off used for?
The MCDONNELL & MILLER 150S-MD-HD is a low water cut-off used in steam and hot water boilers to protect against low-water conditions. It automatically shuts down the burner when water level drops, preventing boiler damage. This snap-switch mechanism is a replacement part for HVACR pumps, valves, and tubing systems.
What are the specifications of the MCDONNELL & MILLER 150S-MD-HD?
The MCDONNELL & MILLER 150S-MD-HD is a low water cut-off with a snap switch mechanism. Its manufacturer part number is 150S-MD-HD. It is designed as a replacement component for HVACR pumps, valves, and tubing. The product type is a level control head mechanism for boiler safety applications.
Where to buy the MCDONNELL & MILLER 150S-MD-HD worldwide?
You can source the MCDONNELL & MILLER 150S-MD-HD low water cut-off through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this replacement snap-switch mechanism.
How to install the MCDONNELL & MILLER 150S-MD-HD low water cut-off?
Install the MCDONNELL & MILLER 150S-MD-HD by first isolating power and draining the boiler to below the cut-off level. Mount the mechanism per manufacturer guidelines, ensuring proper float alignment. Wire the snap switch according to the boiler control circuit. Always follow local codes and consult a qualified technician.
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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.
