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- Pentair Small Drain & Hydrostatic Relief Valve Only* Pentair Small Drain & Hydrostatic Relief Valve Only*
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Product Details
Product Number : | 5317900 |
Product Name: | Pentair Small Drain & Hydrostatic Relief Valve Only* |
To alleviate pressure which underground water can build up under the pool shell. It is recommended that a hydrostatic valve & drainage tube are fitted to a main drain.
Hydrostatic valve To thread into the bottom of main drain. Made in white ABS with screw and spring in S.S. 1 1/2''.