Check Valve
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Check Valve

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Rating: 5.0

Average rating from 2 reviews.

(5.0 out of 5, based on 2 reviews)

Free Flow Check Valves are used to provide flow through a pipe in one direction only. When installed between an external filter and the pond, it keeps the dirty water in the filter from flowing back into the pond if power is lost. They are also used to keep an external pump primed if power is lost.
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Reader's Reviews (2)
Loishill
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Rating: 5

A MUST for any pond owner

posted 6 years ago

You really need to design your pond while putting it in place. You don't want to have to put a check valve in, after the pond is already installed. These are critical for any pumping system.

Pros: Keeps water from flowing wrong direction

Cons: none

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