Wilkins 975XL 1" Reduced Pressure Backflow Preventer

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.