Trust Guard Security Scanned
hours left for
same day shipping
hours left for
same day shipping

Learn more about Backflow Preventers!

Backflow Preventers are designed and installed to provide protection against back siphonage of contaminated liquids into your drinking water.

Loading...
per page
Set Descending Direction
  1. Febco 765 PVB Backflow Preventer 1" FPT | FE765-100
    Febco 765 PVB Backflow Preventer 1 in. FPT | FE765-100
    On-Sale $115.95 List Price $267.95
    HLSG SKU: FEB765010
    SKU: FE765-100
  2. Wilkins 720A PVB Backflow Preventer 1" FPT | WK720A-100
    Wilkins 720A PVB Backflow Preventer 1 in. FPT | WK720A-100
    On-Sale $127.40 List Price $299.95
    HLSG SKU: WLK720A010
    SKU: WK720A-100
  3. Conbraco 4A-500 Freeze Resistant PVB Backflow Preventer 1" FPT | CDC4A-505-A2F
    Conbraco 4A-500 Freeze Resistant PVB Backflow Preventer 1 in. FPT | CDC4A-505-A2F
    On-Sale $94.95 List Price $165.95
    HLSG SKU: CNB4A505A2F
    SKU: CDC4A-505-A2F
  4. Wilkins 710 PVB Backflow Preventer 1 in. FPT | WK710-100
    Wilkins 710 PVB Backflow Preventer 1 in. FPT | WK710-100
    On-Sale $102.72 List Price $135.95
    HLSG SKU: WLK710010
    SKU: WK710-100
  5. Conbraco 4A-500 Freeze Resistant PVB Backflow Preventer 3/4" FPT | CDC4A-504-A2F
    Conbraco 4A-500 Freeze Resistant PVB Backflow Preventer 3/4 in. FPT | CDC4A-504-A2F
    On-Sale $96.80 List Price $142.95
    HLSG SKU: CNB4A504A2F
    SKU: CDC4A-504-A2F
  6. Febco 765 PVB Backflow Preventer 3/4" FPT | FE765-075
    Febco 765 3/4" PVB Backflow Preventer FPT | FE765-075
    On-Sale $116.20 List Price $238.95
    HLSG SKU: FEB765007
    SKU: FE765-075
  7. Watts 800M4QT PVB Backflow Preventer 1" FPT | WA800M4QT-100
    Watts 800M4QT PVB Backflow Preventer 1 in. FPT | WA800M4QT-100
    On-Sale $165.70 List Price $249.95
    HLSG SKU: WAT800M4QT010
    SKU: WA800M4QT-100
  8. Wilkins 710 PVB Backflow Preventer 3/4 in. FPT | WK710-075
    Wilkins 710 PVB Backflow Preventer 3/4 in. FPT | WK710-075
    On-Sale $88.48 List Price $120.95
    HLSG SKU: WLK710007
    SKU: WK710-075
  9. Wilkins 720A PVB Backflow Preventer 3/4" FPT | WK720A-075
    Wilkins 720A PVB Backflow Preventer 3/4 in. FPT | WK720A-075
    On-Sale $113.10 List Price $299.95
    HLSG SKU: WLK720A007
    SKU: WK720A-075
  10. Conbraco 4A-500 Freeze Resistant PVB Backflow Preventer 1-1/2" FPT | CDC4A-507-A2F
    Conbraco 4A-500 Freeze Resistant PVB Backflow Preventer 1-1/2 in. FPT | CDC4A-507-A2F
    On-Sale $376.37 List Price $745.95
    HLSG SKU: CNB4A507A2
    SKU: CDC4A-507-A2F
  11. Febco U765 PVB Backflow Preventer with Union End Ball Valve 1 in. Union End Ball Valve | FEU765-100
    Febco U765 PVB Backflow Preventer with Union End Ball Valve 1 in. Union End Ball Valve | FEU765-100
    On-Sale $275.75 List Price $425.95
    HLSG SKU: FEB765U010
    SKU: FEU765-100
  12. Watts 800M4QT PVB Backflow Preventer 3/4" FPT | WA800M4QT-075
    Watts 800M4QT PVB Backflow Preventer 3/4 in. FPT | WA800M4QT-075
    On-Sale $132.24 List Price $205.95
    HLSG SKU: WAT800M4QT007
    SKU: WA800M4QT-075
  13. Febco 765 PVB Backflow Preventer 2" FPT | FE765-200
    Febco 765 PVB Backflow Preventer 2 in. FPT | FE765-200
    On-Sale $788.91 List Price $1,499.95
    HLSG SKU: FEB765020
    SKU: FE765-200
  14. Febco 765 PVB Backflow Preventer 1-1/2 in. FPT | FE765-150
    Febco 765 PVB Backflow Preventer 1-1/2 in. FPT | FE765-150
    On-Sale $692.27 List Price $1,029.95
    HLSG SKU: FEB765015
    SKU: FE765-150
  15. Febco 765 PVB Backflow Preventer 1-1/4" FPT | FE765-125
    Febco 765 PVB Backflow Preventer 1-1/4 in. FPT | FE765-125
    On-Sale $656.31 List Price $1,395.95
    HLSG SKU: FEB765012
    SKU: FE765-125
  16. Febco 765 PVB Backflow Preventer 1/2 in. FPT | FE765-050
    Febco 765 PVB Backflow Preventer 1/2 in. FPT | FE765-050
    On-Sale $121.29 List Price $234.95
    HLSG SKU: FEB765005
    SKU: FE765-050
  17. Febco U765 PVB Backflow Preventer with Union End Ball Valve 3/4 in. Union End Ball Valve | FEU765-075
    Febco U765 PVB Backflow Preventer with Union End Ball Valve 3/4 in. Union End Ball Valve | FEU765-075
    On-Sale $240.49 List Price $473.99
    HLSG SKU: FEB765U007
    SKU: FEU765-075
  18. Wilkins 720AU PVB Backflow Preventer w/ Union 3/4 in. | WK720AU-075
    Wilkins 720AU PVB Backflow Preventer w/ Union 3/4 in. | WK720AU-075
    On-Sale $158.85 List Price $260.00
    HLSG SKU: WLK34720AU
    SKU: WK720AU-075
  19. Backflow Installation Accessory Kit 1" | SW-FLOWKIT-1
    Backflow Installation Accessory Kit 1 in. | SW-FLOWKIT-1
    On-Sale $17.12 List Price $31.60
    SKU: SW-FLOWKIT-1
  20. Backflow Installation Accessory Kit 3/4" | SW-FLOWKIT-2
    Backflow Installation Accessory Kit 3/4 in. | SW-FLOWKIT-2
    On-Sale $13.50 List Price $23.60
    SKU: SW-FLOWKIT-2
per page
Set Descending Direction