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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
    80%
    On-Sale $97.25 List Price $210.53
    SKU: FE765-100
  2. Wilkins 710 PVB Backflow Preventer 1 in. FPT | WK710-100
    Wilkins 710 PVB Backflow Preventer 1 in. FPT | WK710-100
    On-Sale $79.95 List Price $120.00
    SKU: WK710-100
    Out of stock
  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
    100%
    On-Sale $76.95 List Price $119.70
    SKU: CDC4A-505-A2F
    Out of stock
  4. Wilkins 720A PVB Backflow Preventer 1" FPT | WK720A-100
    Wilkins 720A PVB Backflow Preventer 1 in. FPT | WK720A-100
    100%
    On-Sale $89.95 List Price $388.50
    SKU: WK720A-100
  5. Watts 800M4QT PVB Backflow Preventer 1" FPT | WA800M4QT-100
    Watts 800M4QT PVB Backflow Preventer 1 in. FPT | WA800M4QT-100
    100%
    On-Sale $127.95 List Price $238.35
    SKU: WA800M4QT-100
    Out of stock
  6. 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
    100%
    On-Sale $59.95 List Price $136.50
    SKU: CDC4A-504-A2F
    Out of stock
  7. Watts 800M4QT PVB Backflow Preventer 3/4" FPT | WA800M4QT-075
    Watts 800M4QT PVB Backflow Preventer 3/4 in. FPT | WA800M4QT-075
    80%
    On-Sale $105.45 List Price $196.35
    SKU: WA800M4QT-075
  8. Backflow Installation Accessory Kit 3/4" | SW-FLOWKIT-2
    Backflow Installation Accessory Kit 3/4 in. | SW-FLOWKIT-2
    On-Sale $17.83 List Price $22.85
    SKU: SW-FLOWKIT-2
    Out of stock
  9. Febco 765 PVB Backflow Preventer 2" FPT | FE765-200
    Febco 765 PVB Backflow Preventer 2 in. FPT | FE765-200
    80%
    On-Sale $465.98 List Price $765.98
    SKU: FE765-200
  10. Febco 765 PVB Backflow Preventer 1-1/2" FPT | FE765-150
    Febco 765 PVB Backflow Preventer 1-1/2 in. FPT | FE765-150
    100%
    On-Sale $426.98 List Price $689.33
    SKU: FE765-150
    Out of stock
  11. Febco 765 PVB Backflow Preventer 1-1/4" FPT | FE765-125
    Febco 765 PVB Backflow Preventer 1-1/4 in. FPT | FE765-125
    100%
    On-Sale $406.98 List Price $627.90
    SKU: FE765-125
    Out of stock
  12. Febco 765 PVB Backflow Preventer 1/2" FPT | FE765-050
    Febco 765 PVB Backflow Preventer 1/2 in. FPT | FE765-050
    On-Sale $94.98 List Price $184.28
    SKU: FE765-050
    Out of stock
  13. Conbraco 4A-500 Freeze Resistant PVB Backflow Preventer 1-1/4" FPT | CDC4A-506-A2F
    Conbraco 4A-500 Freeze Resistant PVB Backflow Preventer 1-1/4 in. FPT | CDC4A-506-A2F
    On-Sale $337.95 List Price $659.40
    SKU: CDC4A-506-A2F
  14. 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 $363.95 List Price $710.85
    SKU: CDC4A-507-A2F
  15. Conbraco 4A-500 Freeze Resistant PVB Backflow Preventer 2" FPT | CDC4A-508-A2F
    Conbraco 4A-500 Freeze Resistant PVB Backflow Preventer 2 in. FPT | CDC4A-508-A2F
    On-Sale $400.95 List Price $1,471.05
    SKU: CDC4A-508-A2F
    Out of stock
  16. Wilkins 710 PVB Backflow Preventer 3/4 in. FPT | WK710-075
    Wilkins 710 PVB Backflow Preventer 3/4 in. FPT | WK710-075
    100%
    On-Sale $65.95 List Price $104.00
    SKU: WK710-075
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