Thread: Do I need a valve on sump plumbing?????
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Old 06-03-2011, 12:40 PM
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sphelps sphelps is offline
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A valve on the return line for sure but not the drain unless you have two drain pipes in a herbie configuration.

Your drain size is fine
Last edited by sphelps; 06-03-2011 at 01:16 PM.
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