
19104U Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $85.00 | Condition is New, Mueller A 19104U Refrigeration Ball Valve 5/8" Press x Press and Insulation, FREE SHIPPING | 100.0% |
![]() | $117.49 | Top Pick! Condition is New, Mueller PRESS-A19104U 1/2" Brass Multisplit Ball Valve NPT, FREE SHIPPING | ![]() |

The Mueller 19104U Refrigeration Ball Valve is a high-performance component designed for applications in refrigeration systems. This valve features a 5/8 inch NPT thread connection and is designed for use with press-fit insulation.
The valve body is constructed from brass, ensuring durability and resistance to corrosion. The valve ball is made from PTFE, providing a tight sealing surface that is resistant to wear and tear. The stem is made from stainless steel, offering excellent strength and corrosion resistance.
This ball valve is designed for use in low-pressure refrigeration applications, with a maximum operating pressure of 150 psi. It is suitable for use with a wide range of refrigerants, including R134a, R1234yf, and R410a.
The valve is operated using a 90-degree lever handle, which provides easy and intuitive operation. The handle is designed for a comfortable grip and features a red actuator to indicate when the valve is in the open position.
The valve is designed for use in applications where insulation must be installed directly onto the valve body. The press-fit insulation connection allows for quick and easy installation, saving time and labor costs. The valve comes with a factory-installed ball and seat, ensuring reliable performance right out of the box.
Overall, the Mueller 19104U Refrigeration Ball Valve is a high-quality component that is ideal for use in low-pressure refrigeration applications where insulation must be installed directly onto the valve body. Its durable construction, tight sealing surface, and easy-to-use design make it a popular choice among HVAC professionals and DIY enthusiasts alike.
Pros and Cons of buying a Mueller 19104U Refrigeration Ball Valve (5/8" Press Insulation)
1. Pros:a. High-Quality Material: The Mueller 19104U Refrigeration Ball Valve is made of solid brass, ensuring durability and resistance to corrosion.
b. Leak-Free: This valve features a leak-proof design and a stainless steel seat to prevent any leaks, making it perfect for refrigeration applications.
c. Easy Installation: The 5/8" press insulation connection makes it easy to install, and it's suitable for both copper and stainless steel lines.
d. Versatile: The Mueller 19104U Refrigeration Ball Valve can be used for various refrigeration systems, including air conditioning, industrial refrigeration, and commercial refrigeration.
2. Cons:a. Higher Price Point: Compared to other ball valves, the Mueller 19104U Refrigeration Ball Valve may be more expensive due to its high-quality materials and design.
b. Potential Need for Adjustments: Some users have reported that they needed to make slight adjustments to the valve to ensure a proper seal. However, this seems to be an isolated issue.
3. Conclusion:The Mueller 19104U Refrigeration Ball Valve (5/8" Press Insulation) offers several advantages, such as its high-quality materials, leak-proof design, easy installation, and versatility. While it may come with a higher price point compared to other ball valves, its durability and reliability make it a worthwhile investment for refrigeration applications. Additionally, the potential need for minor adjustments is not a significant concern for most users.
4. Recommendation:If you are in need of a reliable and durable ball valve for refrigeration applications, the Mueller 19104U Refrigeration Ball Valve is an excellent choice. Its high-quality materials, leak-proof design, and versatility make it a valuable addition to any refrigeration system. While it may cost more than some other options, its long-term performance and dependability make it a worthwhile investment.
Details:
Mueller a 19104U refrigeration ball valve 5/8 press x and insulation, new/unused, Inc.
specifications maxohvac:
- brand: Mueller
- mpn: 19104u
- model: Muller A 19104u
- type: Refrigeration Ball Valve
seller maxohvac:
- # reviews: 10946
- rating: 100.0%
- city: oklahoma city, oklahoma
offer maxohvac:
- prices: $85.00–$117.49
- item condition: New
- options: ship-to-home
- in stock #: 2
- sold #: 8
- availability: in stock
- started: february 17, 2026
- best offers: true
payments maxohvac:
- wallet: google-pay
- other
- credit card: discover
returns maxohvac:
- method: money back
- time: 30 days
- policy: returns accepted
- paid by: buyer
shipping maxohvac:
- type: fixed
- service: standard
- class: standard
- transit: 2-6 days
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
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