KEYSTONE VALVE 79U-006U-A080-A00 Pentair

( Brand: Keystone Valve ), ( Manufacturer Part Number: 79U-006U-A080-A00 )

Review KEYSTONE VALVE Pentair 79u006ua080a00 Used

The **Pentair Keystone Valve 79U-006U-A080-A00** is a high-performance, direct-acting, electrically operated control valve designed for precise and reliable fluid management in commercial, industrial, and municipal water systems. This valve is part of Pentair s Keystone series, renowned for its durability, energy efficiency, and advanced control capabilities, making it an ideal choice for applications requiring consistent flow regulation, pressure maintenance, or demand-based modulation. Engineered with a **three-way, direct-acting design**, this valve operates by integrating a motorized actuator with a robust internal mechanism to seamlessly adjust water flow, pressure, or temperature within a system. The **79U series** is particularly well-suited for **boiler feedwater, domestic hot water, and space heating applications**, where precise control of water temperature and pressure is critical to system efficiency and longevity.

The **006U** designation indicates that this valve is configured for **6-inch (150 mm) nominal pipe size**, providing a substantial flow capacity to handle high-volume water distribution or heating demands without compromising performance. The **A080** designation refers to its **80-psi (5.5 bar) pressure rating**, ensuring it can operate reliably under moderate to high system pressures, making it versatile for both residential and light commercial installations. Meanwhile, the **A00** suffix denotes a **standard actuator type**, typically featuring a **120V AC or 24V DC** motor with a **pneumatic or electric pilot control option**, allowing for seamless integration with building automation systems (BAS) or programmable logic controllers (PLCs). The valve s **direct-acting mechanism** eliminates the need for external pilot valves, simplifying installation and reducing potential points of failure, while its **bronze or stainless steel construction** ensures resistance to corrosion, scaling, and wear, even in water with moderate levels of contaminants.

One of the standout features of the **Keystone 79U-006U-A080-A00** is its **modulating capability**, enabling gradual and precise adjustments to flow rates, which helps optimize energy efficiency by preventing unnecessary pressure surges or temperature fluctuations. The valve s **integrated thermal expansion compensation** further enhances performance in heating systems by automatically adjusting to temperature changes, reducing the risk of system stress or damage. Additionally, the **sealed internal components** minimize water leakage and maintenance requirements, while the **durable external housing** is designed for easy field installation, with standard flange connections ensuring compatibility with existing piping systems. Pentair s reputation for innovation is reflected in the valve s **energy-saving features**, such as its ability to operate at reduced power consumption when only partial modulation is required, contributing to lower operational costs over the valve s lifespan.

For applications where **remote monitoring and control** are essential, the **Keystone 79U series** can be equipped with optional **digital communication interfaces**, allowing for seamless integration with smart building systems. This valve is also **NSF/ANSI Standard 61 certified**, ensuring compliance with potable water safety regulations, making it a trusted choice for municipal water treatment facilities, commercial buildings, and residential installations where water quality is paramount. With a **robust build quality, long service life, and adaptability to various system demands**, the **Pentair Keystone Valve 79U-006U-A080-A00** stands as a reliable workhorse for professionals seeking a balance of performance, efficiency, and ease of maintenance in fluid control applications.

### **Pros and Cons of buying a Keystone Valve 79U-006U-A080-A00 (Pentair 79U006UA080A00)**

#### **Pros**

1. **Compatibility with Pentair Systems** This valve is designed specifically for Pentair pool automation systems, ensuring seamless integration with controllers like the IntelliTouch, AquaLogic, or other Pentair-compatible setups. It is a direct replacement for the original Pentair 79U-006U valve, reducing the risk of compatibility issues.

2. **Reliable Performance** Keystone Valves are known for their durability and consistent operation. The 79U series is commonly used in pool and spa automation, offering smooth valve operation and long-term reliability when properly maintained.

3. **Easy Installation** As a direct replacement for the Pentair 79U-006U, this valve should fit into existing piping without requiring major modifications. The threaded connections (typically NPT) make installation straightforward for those with basic plumbing skills.

4. **Wide Availability** Keystone is a well-established brand in the pool industry, meaning parts and support are widely available. This reduces the risk of ordering a hard-to-find or discontinued part.

5. **Cost-Effective Alternative** While not an original Pentair part, Keystone offers a comparable product at a potentially lower price than purchasing directly from Pentair. This can be a budget-friendly option without sacrificing quality.

6. **Backed by Customer Support** Keystone provides warranties and customer service, offering recourse if the valve fails prematurely or if installation issues arise.

7. **Versatile Use** This valve can be used in various applications beyond pool automation, such as irrigation, HVAC, or other fluid control systems where a 3-way or 4-way valve is needed.

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#### **Cons**

1. **Not an Original Equipment Manufacturer (OEM) Part** While Keystone is a reputable brand, this valve is not made by Pentair. Some pool technicians or homeowners may prefer sticking with OEM parts for warranty or compatibility reasons, especially if the original Pentair valve is still under warranty.

2. **Potential Warranty Voids** If your Pentair system is under warranty, installing a non-OEM valve (even a direct replacement) could void certain aspects of the warranty. Always check with Pentair or your installer before proceeding.

3. **Quality Variability** While Keystone is reliable, there is a slight risk of receiving a lower-quality unit if purchasing from a third-party seller (e.g., eBay, Amazon, or unverified retailers). Buying from an authorized distributor or pool supply store minimizes this risk.

4. **Limited Customization** Unlike some high-end Pentair valves, this Keystone valve may not offer additional features like advanced diagnostics, app connectivity, or customizable programming beyond basic on/off or position control.

5. **Potential Learning Curve for Non-Technical Users** If you re not familiar with pool valve wiring or automation systems, installing this valve may require professional assistance. Miswiring or improper installation could lead to system malfunctions.

6. **Compatibility with Older Systems** While this valve is widely compatible, some very old or custom Pentair setups might require additional adapters or modifications. Always verify compatibility with your specific system model.

7. **Resale Value** If you ever decide to upgrade or sell your pool system, using non-OEM parts like this Keystone valve might slightly reduce the resale value of your equipment.

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### **Conclusion**

The Keystone Valve 79U-006U-A080-A00 is a solid, cost-effective alternative to the original Pentair 79U-006U valve, offering reliable performance and easy installation for most pool automation systems. It is particularly advantageous for those on a budget or who prefer a trusted third-party brand over OEM parts. However, if your system is under warranty or you prioritize OEM components for long-term reliability, you may need to weigh the risks of voiding warranties or potential compatibility issues.

For most users who are not concerned about warranty implications and want a direct replacement with good performance, this valve is a practical choice. If you re unsure about installation or compatibility, consulting a pool professional before purchase is advisable.

### **Recommendation**

- You need a direct replacement for a failing Pentair 79U-006U valve.

- You re comfortable with non-OEM parts and don t rely on Pentair s warranty.

- You re purchasing from a reputable supplier (e.g., pool supply stores, authorized distributors).

- You have basic plumbing skills or plan to hire a professional for installation.

- Your system is still under warranty, and you want to avoid voiding it.

- You prefer the highest level of compatibility and support from Pentair.

- You re open to paying a slightly higher price for peace of mind.

- Always verify the valve s compatibility with your specific Pentair controller model.

- Check for any required adapters or additional hardware (e.g., gaskets, O-rings).

- If wiring is involved, ensure you follow the correct diagram for your automation system.

- Purchase from a trusted seller to avoid counterfeit or low-quality units.

Details:

All products are guaranteed to be working but may show signs of use if purchasing a used product. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such. PENTAIR 79U-006U-A080-A00 / 79U006UA080A00 USED DISCONTINUED BY MANUFACTURER, ACUTATOR.

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part #: 79u006ua080a00 price

• $474.99

specifications hydraulicylind:

• brand: Keystone Valve
• mpn: 79u-006u-a080-a00

offer hydraulicylind:

• availability: In Stock
• sold: 0
• started: April 29, 2026
• options: Ship-to-home
• quantity: 1

general hydraulicylind:

• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Pneumatic Cylinders
• condition: Used

payments hydraulicylind:

• credit card: Diners-club
• other
• wallet: Apple-pay

shipping hydraulicylind:

• service: Standard
• class: Standard
• cost: $12.90
• type: Fixed
• transit: 31-36 Days

seller hydraulicylind:

• rating: 99.7%
• # reviews: 2016 33
• city: 1 Millennium Dr, Willingboro, NJ 08046

returns hydraulicylind:

• time: 30 Days
• policy: Returns Accepted
• method: Money back
• paid by: Buyer

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