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trench drain channels
Modular-section design with mechanical interlocks and integral rebar clips for fast installation
Reversible clamping collar with primary and secondary weepholes to control seepage
RV Cover O-ring Kit Type Total Relief Valve Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268073416
high-capacity primary drainage
Watts LF757DCDA-OSY-LM 4 - Part of the LF757DCDA Series snake fence trench drain channelsThis 4 IN lead free 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.