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One of three "surge" tanks
installed under downspouts. These drain from the bottom through
buried 1-1/2" PVC pipes into the "master" tank.
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This 200 gallon "master"
tank is installed with gravity inlets, one pressure outlet, and
one gravity overflow.
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The "master" tank also
placed under a downspout fills from above. The screened top
collects debris.
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