Standard Details

Standard Detail W-13 (PDF) - Typical Backflow Preventers for Lawn Sprinkler Systems
Standard Detail W-14 (PDF) - 0.75-Inch, 1-Inch, 1.5-Inch”, and 2-Inch Double Check Valve Assembly
Standard Detail W-15 (PDF) - Above Ground Installation 0.75-Inch and 1-Inch Double Check Valve Assembly
Standard Detail W-16 (PDF) - Pressure Vacuum Breaker Assembly Installation
Standard Detail W-17 (PDF) - Reduced Pressure Backflow Installation
Standard Detail W-18 (PDF) - Minimum Protection for Filling Tanker Trucks