
17943 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $349.99 | Condition is New, NEW Mueller Check Valve Magnetic 2-1/8 Model #A 17943 CHEAPEST ANYWHERE, shipping cost = $31.84 | 99.5% |
![]() | $989.99 | Condition is New, Mueller Industries A17943 2 1/8 Magnetic Check Valve, FREE SHIPPING | 99.3% |
![]() | $1147.15 | Condition is New, Mueller Industries A17943 2 1/8 Magnetic Check Valve, FREE SHIPPING | 98.6% |
![]() | $1170.56 | Top Pick! Condition is New, Mueller Industries A17943 2-1/8 Magnetic Check Valve Refrigeration Plumbing, FREE SHIPPING | ![]() |

The Mueller 17943 Check Valve Magnetic 2-1/8 is a high-performance check valve designed to prevent backflow in water supply lines. This valve is a reliable solution for ensuring the proper flow of water in various applications, including irrigation systems, industrial processes, and residential plumbing.
The valve body is constructed from durable brass material, which offers excellent resistance to corrosion and ensures long-lasting performance. The 2-1/8 inches size makes it suitable for use in medium-sized water supply lines. The valve features a magnetic disc that is automatically actuated when water flow is reversed, allowing it to seal off the valve and prevent backflow.
The magnetic disc is held in place by a strong neodymium magnet, which ensures tight sealing and prevents leakage. The disc is also designed to be self-cleaning, allowing it to remain free of debris and maintain a high level of performance. The valve is also equipped with a stainless steel stem, which offers excellent resistance to corrosion and ensures smooth operation.
The Mueller 17943 Check Valve Magnetic 2-1/8 is easy to install and requires no external power source, making it a convenient and cost-effective solution for preventing backflow. The valve can be installed in various orientations, including horizontal or vertical, and can be used in both pressurized and non-pressurized systems. The valve also comes with a 1/2 inch NPT thread connection, making it easy to connect to standard water supply lines.
This check valve is designed to meet the highest standards for water quality and safety, making it an ideal choice for applications where backflow prevention is essential. With its rugged construction, reliable performance, and easy installation, the Mueller 17943 Check Valve Magnetic 2-1/8 is a must-have for any plumbing system or water supply application.
Mueller 17943 Magnetic Check Valve (2-1/8 Inch): A Comprehensive Analysis
The Mueller 17943 Magnetic Check Valve is a popular choice for those in need of a reliable and easy-to-install check valve. In this analysis, we will discuss the key features, pros, cons, and a concluding recommendation.
Features:1. 2-1/8 inch size
2. Magnetic closed design
3. Self-cleaning design
4. Rust-resistant material
5. Easy installation
Pros:1. The magnetic closed design ensures that the valve stays closed when not in use, preventing backflow.
2. The self-cleaning design allows debris to pass through without getting stuck in the valve, reducing the need for maintenance.
3. The rust-resistant material ensures durability and longevity, making it suitable for various water applications.
4. Easy installation process saves time and effort.
Cons:1. The magnetic design may not be suitable for high-pressure applications.
2. Some users have reported that the valve may not seal properly after installation, requiring additional tightening.
3. The valve may not function optimally in extremely cold temperatures.
Conclusion:The Mueller 17943 Magnetic Check Valve is a solid choice for those seeking a reliable and easy-to-install check valve for general water applications. Its magnetic closed design, self-cleaning feature, and rust-resistant material make it a versatile and long-lasting option. However, it may not be suitable for high-pressure applications or extremely cold temperatures.
Recommendation:Based on its features, pros, and cons, the Mueller 17943 Magnetic Check Valve is recommended for those in need of a reliable and easy-to-install check valve for general water applications. However, those with high-pressure or extremely cold temperature requirements should consider alternative options.
Details:
New Mueller check valve magnetic 2-1/8 model #a 17943 cheapest anywhere basest.
specifications maxohvac:
- brand: Mueller
- mpn: 17943
- model: A 17943
- part type: Valve
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- city: jacksonville, florida
- rating: 99.4%
- # reviews: 7322
payments maxohvac:
- money order
- wallet: apple-pay
- other
- credit card: visa
returns maxohvac:
- method: money back
- paid by: seller
- time: 30 days
- policy: returns accepted
offer maxohvac:
- prices: $349.99–$1170.56
- item condition: New
- availability: in stock
- sold #: 7
- started: february 24, 2026
- options: ship-to-home
- in stock #: 4
shipping maxohvac:
- type: fixed
- carrier: dhl global mail
- service: dgm smartmail ground
- transit: 8-14 days
- class: economy
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