Excellent 4.9 | 18,452 reviews

Zurn Wilkins 975XLU 1" Reduced-Pressure Backflow Preventer w/Unions - 1-975XLU

Zurn Wilkins 975XLU 1" Reduced-Pressure Backflow Preventer w/Unions - 1-975XLU

$736.99
$736.99 $982.47
SAVE 24% Sold out
Zurn Wilkins 975XLU 1" Reduced-Pressure Backflow Preventer w/Unions - 1-975XLU

Zurn Wilkins 975XLU 1" Reduced-Pressure Backflow Preventer w/Unions - 1-975XLU

$736.99
$736.99 $982.47
SAVE 24% Sold out

Zurn  Wilkins 975XLU 1" Reduced-Pressure Backflow Preventer w/Unions - 1-975XLU

The Wilkins 975XLU is a 1" reduced-pressure principle backflow preventer built for reliable protection of high-hazard, non-potable water systems. Its compact wye-pattern bronze body and union connections make installation and service straightforward while providing robust backflow protection for irrigation and commercial applications.

Use the 975XLU where cross-connection protection is required and a durable, serviceable assembly is preferred. Always consult local codes and a qualified plumbing or irrigation professional for correct installation, testing intervals, and inspection procedures. Refer to the product specification sheet for dimensional data and parts information.

Features
  • Reduced-pressure principle assembly designed for high-hazard applications.
  • 1" nominal inlet/outlet size for standard 1-inch piping systems.
  • Bronze wye-pattern body for corrosion resistance and long service life.
  • Assembled with union ball valve shutoffs for fast isolation and servicing.
  • Male pipe thread connections for common plumbing installations.
  • Rated working pressure: 175 psi for typical irrigation and commercial lines.
  • Wye-pattern layout and unions allow easier access to internal components.
What our Experts Think
  • Reliable high-hazard protection: The Zurn Wilkins 975XLU 1" Reduced-Pressure Backflow Preventer w/ Unions (1-975XLU) is designed to protect potable water systems from backsiphonage and backpressure contamination in irrigation and commercial applications.
  • Union design for fast service: Built with union ball valve shutoffs, allowing the entire assembly to be isolated and removed quickly for maintenance or seasonal winterization.
  • Durable bronze construction: Features a cast bronze wye-pattern body and stainless-steel internals for strong corrosion resistance and long service life in outdoor installations.
  • Designed for ease of maintenance: Accessible internal components and modular design help reduce downtime and simplify inspections and repair work.
  • Code-compliant performance: Widely certified for potable water protection, meeting major standards such as ASSE 1013, CSA, IAPMO, and AWWA C511 requirements.
  • Popular irrigation-grade choice: Frequently used in residential and commercial irrigation systems where reliable backflow prevention and seasonal removal are required.
  • Important note: This model is part of the 975XLU series, which has been discontinued and replaced by updated 975XL2U versions for new installations.

Q&A

Q: What is the Zurn Wilkins 1-975XLU 1" Reduced-Pressure Backflow Preventer?
A: The Zurn Wilkins 1-975XLU is a 1-inch reduced pressure principle (RPZ) backflow preventer designed to protect potable water systems from contamination caused by backpressure and backsiphonage in high-hazard applications.

Q: What applications is the 1-975XLU best used for?
A: It is commonly used in irrigation systems, commercial plumbing, and other non-potable or high-risk water systems where cross-connection protection is required.

Q: What are the key features of the Zurn Wilkins 1-975XLU?
A: It features a bronze wye-pattern body, union ball valve shutoffs for easy removal, and corrosion-resistant internal components designed for durability and serviceability.

Q: Does the 1-975XLU support easy maintenance?
A: Yes. The union connections allow the body to be removed from the line without full disassembly, making inspection and servicing faster, especially in irrigation setups.

Q: Is the Zurn Wilkins 1-975XLU still available?
A: No. The 975XLU model has been discontinued and replaced by the newer 975XL2U series.

Maintenance Tips
  • Schedule annual certified testing to ensure reliable backflow protection and compliance.
  • Inspect routinely for leaks, corrosion, and relief valve discharge, especially after pressure changes or shutdowns.
  • Keep test cocks, shutoff valves, and internal components clean to prevent debris-related malfunctions.
  • Flush the line after installation or servicing to remove sediment and maintain smooth operation.
  • Protect from freezing temperatures using insulation or winterization where required.
  • Use only genuine repair kits from Zurn Wilkins to preserve performance and certification.
  • Always re-test after servicing before returning the unit to active use.
View full details