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Preventing Sump overflowing and flood
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20-11-2015, 06:55 PM
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yanki2
Endangered Dragon
Join Date: Mar 2002
Posts: 5,726
you can raise the outlet of the return pipe above water level, drill holes near to the outlet of the return en. or install an anti backflow valve at the pump outlet.
i hope i read your question right.
yanki2
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