ZURN WILKINS 1-950XL Double Check Backflow Preventer

( Brand: Zurn Wilkins ), ( Manufacturer Part Number: 1-950XL ), ( Part Type: Check ), ( Suitable Media: Water ), ( Pipe Size: 1 In ), ( Valve Operation: Manual ), ( Backflow Preventer Type: Double Check Assembly ), ( Country Of Origin: United States )

Review ZURN WILKINS Inch 950xl Double Check Backflow Preventer

The **Zurn Wilkins 1-950XL Double Check Backflow Preventer** is a high-performance, full-port, double-check assembly designed to provide unparalleled protection against backflow contamination in critical water distribution systems. Engineered with precision and built to meet or exceed the rigorous standards of **NSF/ANSI 61** and **AWWA C510**, this backflow preventer is an indispensable solution for commercial, industrial, and municipal applications where water safety is paramount. The **950XL** designation indicates its robust construction, capable of handling high-pressure and high-flow demands with ease, making it ideal for large-scale facilities such as hospitals, schools, hotels, and industrial plants. Its **double-check valve assembly** features two independently operating check valves, each with a distinct pressure differential, ensuring that even in the event of a failure in one valve, the second barrier remains fully operational, maintaining the integrity of the water supply. The **full-port design** minimizes pressure loss and maximizes flow efficiency, reducing operational costs while delivering consistent performance. Constructed from **cast iron** for durability and **stainless steel** components for corrosion resistance, this backflow preventer is built to withstand harsh environmental conditions, ensuring long-term reliability. The **quick-disconnect fittings** simplify installation and maintenance, allowing for rapid access when servicing is required without compromising system integrity. Additionally, the **built-in test cocks** enable easy and accurate testing to verify proper operation, ensuring compliance with regulatory requirements. Whether installed in a new construction project or as part of an upgrade to an existing system, the **Zurn Wilkins 1-950XL** stands as a testament to engineering excellence, offering a seamless blend of safety, efficiency, and durability for even the most demanding water protection applications.

### **Pros and Cons of buying a Zurn Wilkins 1-950XL Double Check Backflow Preventer**

1. **High-Quality Construction** The Zurn Wilkins brand is well-regarded for durability and reliability in backflow prevention devices. The 1-950XL model is designed to withstand heavy use in commercial and municipal water systems.

2. **Compliance with Codes** This device meets or exceeds most municipal and state backflow prevention codes, including those set by the American Society of Sanitary Engineering (ASSE) and the International Plumbing Code (IPC). This ensures it can be legally installed in most jurisdictions without additional modifications.

3. **Double Check Valve Design** The double check valve configuration provides an extra layer of protection against backflow contamination compared to single-check devices. This is particularly important in areas with vulnerable water supplies, such as hospitals, schools, or industrial facilities.

4. **Reliable Performance** The 1-950XL is designed for continuous operation, making it suitable for high-flow applications. Its robust construction reduces the likelihood of leaks or malfunctions over time.

5. **Ease of Maintenance** While backflow preventers require periodic testing and maintenance, the Zurn Wilkins model is designed with accessibility in mind. Components like the test cocks and pressure gauges are easily accessible for inspections and servicing.

6. **Wide Application Range** This model can be used in various settings, including commercial buildings, industrial plants, and municipal water systems, making it a versatile choice for different projects.

7. **Warranty and Support** Zurn Wilkins offers warranties and customer support, which can be valuable for troubleshooting or replacement parts if issues arise.

---

1. **High Initial Cost** Backflow preventers, especially high-quality double-check models, are more expensive than basic valves. The 1-950XL is a premium product, which may not be cost-effective for small-scale or low-risk applications.

2. **Complex Installation** Double-check backflow preventers require precise installation to ensure proper function. Improper installation can lead to leaks, reduced efficiency, or even failure to prevent backflow. This may necessitate hiring a licensed plumber, adding to labor costs.

3. **Regular Maintenance Requirements** Double-check valves must be tested and serviced at least annually (or more frequently, depending on local regulations). This includes pressure testing, lubrication of internal parts, and inspection for wear or damage. Neglecting maintenance can void warranties and compromise safety.

4. **Space and Plumbing Constraints** The 1-950XL is a larger device compared to single-check valves. It requires adequate space for installation, including clearance for maintenance access. In tight plumbing systems, this may not be feasible without modifications.

5. **Potential for False Positives** Some backflow preventers can trigger false alarms or shut off unexpectedly due to debris or minor pressure fluctuations. This can disrupt water flow and require additional troubleshooting.

6. **Limited DIY Repairs** Unlike simpler valves, double-check backflow preventers often require specialized tools and knowledge to repair. Most users will need to rely on certified technicians for servicing.

7. **Regulatory Variations** While the 1-950XL meets many codes, some municipalities or industries may have specific requirements that this model does not fully comply with. Always verify local regulations before purchasing.

---

The Zurn Wilkins 1-950XL Double Check Backflow Preventer is a high-quality, reliable device ideal for applications where backflow protection is critical, such as commercial buildings, hospitals, or industrial facilities. Its robust construction, compliance with major codes, and double-check design make it a strong choice for preventing contamination in water systems. However, its high cost, complex installation, and maintenance demands may not justify its use in low-risk or small-scale settings.

- You are installing it in a high-risk area (e.g., hospitals, schools, or industrial sites) where backflow protection is legally required or critical for safety.

- Your budget allows for a premium, long-term solution that minimizes the risk of contamination.

- You have access to a licensed plumber for installation and annual maintenance.

- Local regulations mandate or strongly recommend a double-check valve.

- You are working on a low-risk residential project where a simpler, less expensive backflow preventer (e.g., a reduced-pressure zone valve or single-check valve) would suffice.

- Your budget is constrained, and you can find a similarly compliant but less expensive model from another manufacturer.

- The installation space is extremely limited, and you cannot accommodate the size of the 1-950XL.

- You lack the resources or expertise to perform regular maintenance as required.

For most commercial or municipal applications where backflow prevention is non-negotiable, the Zurn Wilkins 1-950XL is a sound investment. However, always consult local plumbing codes and a professional to ensure it meets your specific needs.

Details:

Pulled out of sprinkler system needs rebuild no valve handles pulled.

part #: 1950xl prices

• $289.98-$349.99

specifications valvesplumbing:

• brand: Zurn Wilkins
• mpn: 1-950xl
• part type: Check
• suitable media: Water
• pipe size: 1 In
• valve operation: Manual
• backflow preventer type: Double Check Assembly
• country of origin: United States

shipping valvesplumbing:

• cost: $23.08
• carrier: USPS
• service: USPS Ground Advantage
• type: Calculated
• class: Standard
• transit: 6-9 Days

payments valvesplumbing:

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

offer valvesplumbing:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: April 23, 2026
• best offers: True

seller valvesplumbing:

• # reviews: 39
• rating: 100.0%
• city: Ashford, Connecticut

general valvesplumbing:

• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Backflow Preventers
• condition: Used

returns valvesplumbing:

• policy: No Returns

Zurn Wilkins 1-950XL Is Similar To:

• 1-350 Wilkins Zurn Double Check (46.9% similar) New open box. Zurn Wilkins 1 double check valve...(October 2nd, 2017)
• 1-720a Zurn Wilkins Inch Pvb Backflow Prevente 0612052040035 (58.3% similar) Tapped ball valves with threaded test cocks allows installation in either position allowing direct replacement of other manufacturers PCB, regardless orientation bronze bonnet for greater strength and durability serial number visible any installed orientation top access easy maintainability protects...(April 3rd, 2018)
• 1-975xl2 Zurn Wilkins Backflow Preventer 612052069623 (51.7% similar) Wilkins 1-975XL2 is designed to be installed on potable water lines protect against both back pressure and of polluted into the supply...(October 25th, 2017)
• 1-tpkxl Zurn Wilkins New Tpkxl Fnpt Lead Free Tailpiece Kit (39.7% similar) New Zurn Wilkins 1 pixel font lead free tailpiece kit...(July 18th, 2018)
• 112-375 Wilkins Zurn Rp 1-1-2 (25% similar) New, never installed: new lead free Wilkins 375 reduced pressure principle assembly specs: size: weight lbs: 21. 5 lbs features: lead free max pressure psi: 175 hydro static test pressure: 350 material: bronze connection type: female threaded...(November 10th, 2017)
• 12-760 Zurn-wilkins Lot Of 5 612052048833 (24.1% similar) Lot of 5 brand new Wilkins dual check valve backflow preventer with vent these retail for 75 a piece...(November 22nd, 2017)
• 12-975xl2 Zurn Wilkins 1-2 Reduced (37.6% similar) The model 975XL2 provides protection where a potential health hazard exists. Designed for installation on potable water lines to protect against and back pressure of contaminated into the supply...(December 4th, 2017)
• 150 Sxl 22n586 Zurn Wilkins Strainer Fnpt Mesh Length Lead Free Bronze (23.4% similar) NSF Zurn Wilkins y strainer, font x font, 20 mesh, length , lead free bronze...(March 9th, 2019)
• 2-600xl Zurn Wilkins Water Pressure Reducing Valve Prv Backflow (43.1% similar) The direct acting integral by-pass DE sign prevents buildup of excessive system pressure caused by thermal expansion. Designed for installation on potable water lines to reduce high inlet pressure a lower outlet. The integral strainer makes this device most suitable for residential and comer coal ...(December 10th, 2018)
• 3-zw209fpg Zw209fpg 3-zw209fpg Zurn Wilkins 3 612052203447 (25.6% similar) 00MATERIAL:DUCTILE iron connection SIZE:3 connection type:grooved maximum pressure psi: 300. 00LOW lead compliant:yes. Zurn Wilkins ZW209FPG 3 grooved pressure reducing valve fire protect 3-ZW209FPG features holds downstream to a constant value applicable protection systems 300 lb...(September 6th, 2017)
• 33ss Zurn Wilkins Stainless Steel Spring (37.4% similar) Zurn Wilkins stainless steel spring for NR3 NR3XL pressure reducing valve low fix includes: 1 valves 2 to psi when these springs break the will default...(December 23rd, 2016)