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Wilkins 975XL 1-inch reduced pressure backflow preventer; cast bronze wye-pattern body, threaded ports, front view.

Wilkins 975XL 1" Reduced Pressure Backflow Preventer

Brand: Zurn Industries, LLC
Save 21%
$1,037.32
$816.99
SKU 1-975XL
In Stock (12)

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The Wilkins 975XL 1" Reduced Pressure (RPZ) backflow preventer is a compact, serviceable assembly designed to protect potable water systems from backpressure and backsiphonage. Its wye-pattern, cast bronze body and accessible check locations make field service fast and reliable.

  • Proven protection: Reduced pressure principle design prevents contaminated water from entering the potable supply.
  • Durable construction: Cast bronze body with corrosion-resistant internal components for long service life.
  • Service-friendly: Top/wye access to checks and relief valve allows in-line servicing without removal.
  • Working limits: Rated to 175 PSI maximum working pressure and suitable for water temperatures up to 180°F.
  • Connection type: Threaded ports for straightforward installation in existing lines; multiple configuration options available.
  • Standards & compliance: ASSE/IAPMO listings and AWWA compliance for use where approved; repair parts and lead-free variants are available.

Ideal for irrigation, commercial equipment, and other installations that require high-hazard protection, the 975XL balances compact size with straightforward maintenance. Keep a copy of the manufacturer specification sheet and maintenance instructions on hand for inspection and testing. Replacement seats, repair kits, and test-cock accessories are widely available to simplify upkeep and ensure long-term compliance.

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Frequently Asked Questions

What size and pressure rating does this model have?
This 975XL unit is a 1" model rated to 175 PSI maximum working pressure and up to 180°F water temperature.
Is the 975XL serviceable without removal from the line?
Yes. The wye-pattern design provides access to checks and the relief valve for in-line servicing and seat replacement.
Does this model meet common plumbing standards?
The 975XL is ASSE/IAPMO listed and AWWA compliant; a lead-free variant (975XL2) is available where required.
Where can I get replacement parts or repair kits?
Manufacturer repair kits and replacement seats are widely available through plumbing distributors and OEM parts suppliers.

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