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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. 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 $90.95 List Price $125.95
    SKU: CDC4A-505-A2F
  2. 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 $69.95 List Price $142.95
    SKU: CDC4A-504-A2F
  3. 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 $360.05 List Price $745.95
    SKU: CDC4A-507-A2F
  4. 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 $319.05 List Price $691.95
    SKU: CDC4A-506-A2F
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