Thread: Pentair Multiport valve SM 20-3 disharging water to backwash

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05-01-2014 12:27 PM #1

PoolDoc

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Re: Pentair Multiport valve SM 20-3 disharging water to backwash

Probably, a blown out or damaged multi-port gasket

#10 on image below:

PoolDoc / Ben

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Thread: Pentair Multiport valve SM 20-3 disharging water to backwash

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Re: Pentair Multiport valve SM 20-3 disharging water to backwash

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