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MUELLER Refrigerant Check Valve: Magnetic Check Valve, 3 1/8 in Connections - Magnetic Check Valves
MUELLERMagnetic Check Valves

MUELLER Refrigerant Check Valve: Magnetic Check Valve, 3 1/8 in Connections

The MUELLER Refrigerant Check Valve is a magnetic check valve designed for refrigerant systems. This model, MPN A 17981, features 3 1/8-inch connections and a 1 11/16-inch cut out, constructed from copper.

SKU 3G-OTH-72001

Brand
MUELLER
Item
Refrigerant Check Valve: Magnetic Check Valve, 3 1/8 in Connections
Category
Magnetic Check Valves
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Technical Specifications

MUELLER
Manufacturer Part Number
A 17981
Material
Copper
Cut Out
1 11/16 in
Connections
3 1/8 in
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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 model, MPN A 17981, features 3 1/8-inch connections and a 1 11/16-inch cut out, constructed from copper.

Frequently Asked Questions

What is a MUELLER refrigerant check valve used for?

A MUELLER refrigerant check valve prevents reverse flow in refrigeration and air conditioning systems. This magnetic check valve, model A 17981, ensures proper refrigerant direction, protecting compressors and system components in commercial and industrial cooling applications.

What are the specifications of the MUELLER A 17981 check valve?

The MUELLER A 17981 is a magnetic check valve with 3 1/8-inch connections and a 1 11/16-inch cut out. It is constructed from copper and designed for refrigerant systems. The manufacturer part number is A 17981.

Where to buy MUELLER refrigerant check valves worldwide?

3G Electric supplies MUELLER refrigerant check valves, including model A 17981, 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. Ensure connections are properly brazed or threaded per system specifications. Always follow standard refrigeration practices and system pressure ratings for safe operation.

Used in

Common applications for MUELLER
Commercial refrigeration systems — Mueller steel shell filter driers for moisture and contaminant removal in liquid lines.
HVAC installations — Mueller sweat connection ball valves for flow control in refrigerant circuits.
Industrial process cooling — Mueller magnetic check valves to prevent backflow in refrigerant piping.
Refrigeration system maintenance — Mueller flare nuts and bushings for access valve connections.
Low-GWP refrigerant systems — Mueller A2L-compatible ball valves for use with low-flammability refrigerants.
Retrofit projects — Mueller filter driers and valves for upgrading existing refrigeration equipment.

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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