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Main Drains with Hydrostatic Valve

Waterco Main Drains are manufactured using the highest quality, impact resistant thermoplastic (ABS plastic). 

The Waterco Main Drain is available as a non-certified (White or Grey) or certified (White or Grey) models.

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Main Drain incorporates a Hydrostatic valve. This valve will safeguard and stop your pool from lifting out of the ground or “popping” when the water level is low or when there is water under the pool. The long ground water spear detects underground water at a greater depth and causes the hydrostatic valve to release it before it can build up to a level that may damage your pool. Waterco Main Drains are available in white and beige.