MUELLER Refrigerant Check Valve: Magnetic Check Valve, 7/8 in Connections
The MUELLER Refrigerant Check Valve is a magnetic check valve designed for refrigerant systems. This model, part number A 17939, features 7/8-inch connections and a 3/4-inch cut out, constructed from copper.
SKU 3G-OTH-71975
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Product Description
The MUELLER Refrigerant Check Valve is a magnetic check valve designed for refrigerant systems. This model, part number A 17939, features 7/8-inch connections and a 3/4-inch cut out, constructed from copper.
Frequently Asked Questions
What is a MUELLER refrigerant check valve used for?
A MUELLER refrigerant check valve prevents backflow in refrigeration and air conditioning systems. This magnetic check valve, model A 17939, ensures proper flow direction, protecting compressors and system components from reverse refrigerant migration.
What are the specifications of the MUELLER A 17939 check valve?
The MUELLER A 17939 is a magnetic check valve with 7/8-inch connections and a 3/4-inch cut out. It is constructed from copper, making it suitable for refrigerant lines. This valve is designed for reliable one-way flow control in HVACR systems.
Where to buy MUELLER refrigerant check valves worldwide?
3G Electric supplies MUELLER refrigerant check valves, including model A 17939, to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this copper magnetic check valve.
How to install a MUELLER magnetic check valve?
Install the MUELLER magnetic check valve in the refrigerant line with flow direction matching the arrow on the body. Use proper brazing techniques for copper connections, and ensure the valve is positioned vertically or as recommended by the manufacturer to allow the magnetic mechanism to operate correctly.
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Common applications for MUELLERMUELLER Products
3G Electric supplies MUELLER magnetic check valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













