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Waterway Main Drain Hydrostatic Relief Valve

$31.00

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CMP-25620000000

Regular price $31.00
Sale price $31.00 Regular price

Spring Loaded Hydrostatic Relief Valve 

  • Relieves the air and water that can build up under pond liners.
  • The hydrostatic relief valve threads into 1-1/2" or 2" bulkhead fittings.

A hydrostatic relief valve (commonly referred to as a burp vave) is placed at the bottom of an in-ground pond or swimming pool. Its purpose is to open when excessive ground water pressure builds up allowing the ground water into the pool.