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Duotone aurora — cool blue brief on the left, soft violet sheet on the right for cargo details.
It provides protection against backsiphonage for health hazard installations requiring non-continuous pressure
This 3/8 inch lead free dual check vacuum breaker backflow preventer prevents the reverse flow of polluted water from entering into the potable water supply
Dura-coated finish protects against corrosion
Specifications Compatible Series or Model 909 Compatible Size Used On 10 IN Kit Contents Disc and Spring Assembly
This 3/4 inch 100-300 psig model LFPV20CB
Watts 757DCDA-OSY-FXG-CFM 4 - Part of the 757DCDA Series geogrid It provides protection against backsiphonageThis 4 IN double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. It is designed for non health hazard applications and may be installed under continuous pressure service to protect against both backpressure and backsiphonage. It is used primarily on fire sprinkler lines when it is necessary to monitor unauthorized use of water and includes
