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MUELLER A 17940 Magnetic Check Valve - Magnetic Check Valves
MUELLERMagnetic Check Valves

MUELLER A 17940 Magnetic Check Valve

The MUELLER Refrigerant Check Valve is a magnetic check valve designed for refrigerant systems. This copper-bodied valve features 1 1/8 inch connections and a 15/16 inch cut out, identified by manufacturer part…

SKU 3G-OTH-71982

Also listed as: A17940 · A-17940

Brand
MUELLER
Item
A 17940 Magnetic Check Valve
Part Number
A 17940
Category
Magnetic Check Valves
Available to Order
Also known as:A 17940MUELLER
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Technical Specifications

MUELLER
Manufacturer Part Number
A 17940
Material
Copper
Cut Out
15/16 in
Connections
1 1/8 in

Technical Documents

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

Product Description

The MUELLER Refrigerant Check Valve is a magnetic check valve designed for refrigerant systems. This copper-bodied valve features 1 1/8 inch connections and a 15/16 inch cut out, identified by manufacturer part number A 17940.

Frequently Asked Questions

What is a MUELLER refrigerant check valve used for?

A MUELLER refrigerant check valve, like the magnetic model A 17940, prevents reverse flow in refrigeration and air conditioning systems. It ensures refrigerant moves in one direction only, protecting compressors and maintaining system efficiency in commercial and industrial cooling applications.

What are the specifications of the MUELLER A 17940 check valve?

The MUELLER A 17940 is a magnetic check valve with a copper body, 1 1/8 inch connections, and a 15/16 inch cut out. It is designed for refrigerant systems and is identified by manufacturer part number A 17940. These specifications ensure proper fit and function in your piping layout.

Where to buy MUELLER A 17940 check valve worldwide?

3G Electric supplies the MUELLER A 17940 magnetic check valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this copper-bodied refrigerant valve with 1 1/8 inch connections.

How to install a MUELLER magnetic check valve?

Install the MUELLER magnetic check valve in the correct flow direction, typically indicated by an arrow on the copper body. Ensure connections are clean and properly sealed with compatible refrigerant fittings. Follow standard refrigeration piping practices and verify the 15/16 inch cut out aligns with your system.

Used in

Common applications for MUELLER
Commercial refrigeration — Mueller diaphragm valves (e.g., MPN A 14841) for refrigerant flow control in supermarket racks and cold storage.
HVAC systems — Mueller sight glasses (e.g., MPN A 18101) for monitoring refrigerant charge and detecting moisture in air conditioning lines.
Industrial process cooling — Mueller ball valves (e.g., MPN A 17934) for isolating flow in chiller and process piping.
Refrigeration compressor protection — Mueller magnetic check valves (e.g., MPN A 17939) to prevent backflow and compressor damage.
A2L refrigerant systems — Mueller A2L-compatible valves and components for use with low-flammability refrigerants in new equipment.
Refrigerant piping maintenance — Mueller check valves and sight glasses for system diagnostics and repair in HVAC and refrigeration.
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MUELLER 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.

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