
AQ17859 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $19.99 | Condition is New, Mueller AQ17859 1/4" REF Brass Cycle Master Ball Valve W/Access NEW, shipping cost = $6.99 | 99.4% |
![]() | $30.00 | Condition is New, Mueller Refrigeration AQ17859 Cycle Master Ball Valve 1/4 Padmount BV W/Access, shipping cost = $9.35 | 100.0% |
![]() | $40.00 | Condition is New, Mueller Refrigeration AQ17859 Cycle Master Ball Valve 1/4 Padmount BV W/Access, shipping cost = $10.00 | 100.0% |
![]() | $80.10 | Top Pick! Condition is New, Mueller AQ17859 1/4" REF Brass Ball Valve, FREE SHIPPING | ![]() |
![]() | $93.85 | Condition is New, Mueller AQ17859 Cyclemaster 1/4 in. Brass Full Port Sweat Ball Valve, FREE SHIPPING | ![]() |
![]() | $105.00 | Condition is New, 1PCS New MUELLER Ball Valve AQ17859C 1/4 interface 6mm #JY, shipping cost = $15.00 | 100.0% |
![]() | $111.60 | Condition is New, 1PC NEW MUELLER AQ17859C 1/4 interface 6mm globe globe valve #TX, shipping cost = $19.00 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $25.02 | Top Pick! Condition is New – Open box, MUELLER INDUSTRIES AQ17859 / AQ17859 (NEW NO BOX), shipping cost = $12.90 | 99.7% |
![]() | $32.01 | Condition is New – Open box, MUELLER INDUSTRIES AQ17859 / AQ17859 (NEW IN BOX), shipping cost = $12.90 | 99.7% |
![]() | $35.00 | Condition is New – Open box, Mueller Industries Streamline 1/4" Refrigeration Ball Valve W/ Access AQ17859, shipping cost = $9.14 | 100.0% |
![]() | $51.97 | Condition is New – Open box, Mueller Industries Streamline 1/4" Refrigeration Ball Valve W/ Access AQ17859, shipping cost = $10.95 | 99.6% |
![]() | $150.00 | Condition is New – Open box, MUELLER Refrigeration Bidirectional Ball Valve With Access 1/4 AQ17859 NIB, shipping cost = $9.06 | 100.0% |

The Mueller AQ17859 Streamline 1/4 Refrigeration Ball Valve Access is a high-performance, reliable solution for your refrigeration system needs. This valve is designed with a sleek, streamlined shape that not only enhances the aesthetic appeal of your system but also ensures efficient flow of refrigerant.
The valve features a 1/4 inch NPT thread connection, making it compatible with a wide range of refrigeration systems. The ball valve design provides quick and easy operation, allowing for complete shut-off or full flow of refrigerant with a simple turn of the handle.
The Mueller AQ17859 is specifically engineered for use in refrigeration applications, ensuring that it can withstand the demanding conditions of low temperatures and high pressure. The valve body is made of durable brass material, providing resistance to corrosion and ensuring a long service life.
The valve comes with a stainless steel ball and stem, further enhancing its durability and resistance to corrosion. The stem is also equipped with a PTFE seat, which provides a tight seal and ensures minimal leakage.
The valve's handle is designed for easy operation, even in gloves or in harsh environments. It is also equipped with a locking lever, which allows for secure positioning of the valve and prevents accidental opening or closing.
The Mueller AQ17859 Streamline 1/4 Refrigeration Ball Valve Access is an excellent choice for refrigeration system professionals and DIY enthusiasts alike. Its high-quality construction, reliable operation, and easy installation make it a must-have addition to any refrigeration system. Whether you're working on a commercial refrigeration system or a home refrigerator, this valve is sure to meet your needs and exceed your expectations.
Pros and Cons of Buying Mueller AQ17859 Streamline 1/4 Refrigeration Ball Valve
The Mueller AQ17859 Streamline 1/4 Refrigeration Ball Valve is a popular choice among professionals and DIY enthusiasts for various refrigeration applications. Let's examine the key advantages and disadvantages of purchasing this valve.
Pros:1. High-quality construction: The Mueller AQ17859 is made of brass, ensuring durability and resistance to corrosion.
2. Leak-free performance: This ball valve features a tight seal, minimizing the risk of leaks and ensuring consistent performance.
3. Easy installation: The valve comes with a 3/4 NPT thread connection, making it simple to install in various refrigeration systems.
4. Versatile: The Mueller AQ17859 is suitable for both low and high-pressure refrigeration applications, making it a versatile option.
5. Affordable: Compared to other high-quality refrigeration ball valves, the Mueller AQ17859 is relatively affordable.
Cons:1. Not suitable for extreme temperatures: This valve is not recommended for use in extreme temperature conditions, as it may not perform optimally.
2. Requires regular maintenance: Like any other valve, the Mueller AQ17859 requires routine maintenance to ensure proper functioning and longevity.
3. Not suitable for large industrial applications: This valve is designed for small to medium-sized refrigeration systems and is not suitable for large industrial applications.
Conclusion:The Mueller AQ17859 Streamline 1/4 Refrigeration Ball Valve is an excellent choice for those in need of a high-quality, affordable, and versatile ball valve for their refrigeration system. Its leak-free performance, easy installation, and versatility make it a popular option among professionals and DIY enthusiasts. However, its limitations in extreme temperature conditions and large industrial applications should be considered before making a purchase.
Recommendation:If you're looking for a reliable, affordable, and versatile ball valve for your residential or small to medium-sized commercial refrigeration system, the Mueller AQ17859 Streamline 1/4 Refrigeration Ball Valve is an excellent choice. However, if you require a valve for extreme temperature conditions or for large industrial applications, it's recommended that you explore other options.
Details:
Mueller industries streamline 1/4 refrigeration ball valve w/ access AQ17859.
specifications maxohvac:
- brand: Mueller Industries
- mpn: Aq17859
- type: Refrigeration Ball Valve W/ Access
- unit type: Unit
- size: 1/4
returns maxohvac:
- policy: no returns
seller maxohvac:
- city: temecula, california
- # reviews: 47
- rating: 100.0%
offer maxohvac:
- sold #: 7
- options: ship-to-home
- in stock #: 5
- started: may 25, 2026
- availability: in stock
- best offers: true
- prices: $19.99–$150.00
- item condition:
- New
- New – Open box
shipping maxohvac:
- class: standard
- transit: 4-8 days
- type: calculated
- carrier: usps
- service: usps ground advantage
payments maxohvac:
- wallet: apple-pay
- other
- credit card: visa
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
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