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V14612INSLM
Fig. A 1-2
Just like any other plumbing, a check valve is needed on the feed line running to
an elevated spa or a different elevation body of water to prevent drain-back or
equalization. See Fig. A 1-3
Fig A 1-3
Follow the design plan to position and stake the cleaning head locations. Each
head has a designated nozzle that has a precise cleaning radius. Perimeter
heads have a one foot overlap. Mark the cleaning radius around each stake
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