Backflow

  1. 2 Inches and Smaller Double Check Valve Assembly (PDF)
  2. 2 Inches and Smaller Reduced Pressure Principle Backflow Assembly (PDF)
  3. 2.5 Inches and Larger Double Check Valve Assembly (PDF)
  4. 2.5 Inches and Larger Reduced Pressure Principle Backflow Assembly (PDF)
  5. Deduct Meter (PDF)
  6. Fire Protection (PDF)
  7. General Notes (PDF)