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Pressure Vacuum Breakers (PVB)

Pressure vacuum breaker assemblies (PVBA) are the most commonly used and least expensive type of whole-system backflow prevention valve. These assemblies are easy to install, maintain, and repair. Some models of pressure vacuum breaker assemblies include built-in freeze protection valves.

Learn more about Backflow Preventers!

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

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  1. Febco 765 PVB Backflow Preventer 1" FPT | FE765-100
    Febco 765 PVB Backflow Preventer 1 in. FPT | FE765-100
    1 Star & Up
    On-Sale $108.12 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
    1 Star & Up
    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
    1 Star & Up
    On-Sale $125.95 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 $97.44 List Price $125.95
    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 $102.95 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
    1 Star & Up
    On-Sale $136.65 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
    1 Star & Up
    On-Sale $195.95 List Price $249.95
    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 $84.00 List Price $108.95
    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
    1 Star & Up
    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 Valves 1" Union End Ball Valves | FEU765-100
    Febco U765 PVB Backflow Preventer with Union End Ball Valve 1 in. Union End Ball Valve | FEU765-100
    1 Star & Up
    On-Sale $235.35 List Price $366.95
    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
    1 Star & Up
    On-Sale $155.55 List Price $205.95
    SKU: WA800M4QT-075
  13. Febco 765 PVB Backflow Preventer 2" FPT | FE765-200
    Febco 765 PVB Backflow Preventer 2 in. FPT | FE765-200
    1 Star & Up
    On-Sale $885.85 List Price $1,499.95
    HLSG SKU: FEB765020
    SKU: FE765-200
  14. Febco 765 PVB Backflow Preventer 1-1/2" FPT | FE765-150
    Febco 765 PVB Backflow Preventer 1-1/2 in. FPT | FE765-150
    1 Star & Up
    On-Sale $820.20 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
    1 Star & Up
    On-Sale $730.30 List Price $1,395.95
    SKU: FE765-125
  16. Febco 765 PVB Backflow Preventer 1/2" FPT | FE765-050
    Febco 765 PVB Backflow Preventer 1/2 in. FPT | FE765-050
    On-Sale $180.85 List Price $234.95
    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
    1 Star & Up
    On-Sale $272.75 List Price $473.99
    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 $180.85 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
    1 Star & Up
    On-Sale $15.12 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 $13.25 List Price $23.60
    SKU: SW-FLOWKIT-2
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2737 W Grand Pkwy N.
Katy , TX 77449
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