MCDONNELL & MILLER Water Feeder: 101A Mfr Part #
SKU 3G-OTH-79533
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Frequently Asked Questions
What is the MCDONNELL & MILLER 101A water feeder used for?
The MCDONNELL & MILLER 101A water feeder automatically adds water to low-pressure steam or hot water heating systems when the water level drops below a set point. It is commonly used in commercial and industrial HVAC applications to maintain proper boiler water levels and prevent dry-firing.
What are the specifications of the MCDONNELL & MILLER 101A water feeder?
The MCDONNELL & MILLER 101A is a water feeder with manufacturer part number 101A. It is designed for replacement in HVACR pumps, valves, and tubing systems. For detailed technical specifications such as pressure ratings and connection sizes, consult the product datasheet or contact 3G Electric.
Where to buy the MCDONNELL & MILLER 101A water feeder worldwide?
3G Electric supplies the MCDONNELL & MILLER 101A water feeder to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact our team to place an order or request a quote for international shipping.
How to install the MCDONNELL & MILLER 101A water feeder?
Install the MCDONNELL & MILLER 101A water feeder by first isolating the boiler and draining the system. Mount the feeder in the correct orientation per the manufacturer's instructions, connect the supply line and electrical wiring, then test for leaks and proper operation. Always follow local codes and safety guidelines.
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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.














