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All Backflow Contamination events are 100% Preventable!
The RP, High Hazard Backflow Preventer protects against Back Pressure and Back Siphonage.
The DC, Double Check Valve Assembly, Low Hazard
The PVB, Pressure Vacuum Breaker, High Hazard, Protects against Back Siphonage NOT Back Pressure.
Small video series to help.
What happens in the field (EXPOSED)
Backflow Parts are available at BackflowPartsHouston.com. Same Day Shipping.
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Backflow Preventers are Designed to be REPAIRED not Replaced!!