Sand Media Manual 11-10 - US | Rain Bird
2019-5-8 · coupling. Using the soapy water, slide the gaskets onto the inlet manifold spuds and connect manifold to the backwash valves with the grooved couplings. Tighten the couplings partially, then check alignment of manifolds and valves and re-tighten the bolts on all couplings. 1.4 Connect the incoming water supply to the top inlet manifold.
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