Main Drain MKI with Hydrostatic Valve Stem 50mm Grey

This pool main drain is engineered to provide essential water recirculation while actively protecting your pool structure. It features an integrated hydrostatic valve and stem system designed to prevent the pool from lifting out of the ground or "popping" during low water levels by efficiently releasing groundwater pressure. Constructed from durable, impact-resistant ABS plastic, this grey-colored drain ensures long-lasting performance and reliability in demanding pool environments.

• Safeguards Pool Structure – Integrated hydrostatic valve prevents pool lifting and damage from groundwater.
• Releases Groundwater Pressure – The stem component actively discharges excess groundwater to protect the pool shell.
• Durable ABS Construction – Made from impact-resistant ABS plastic for extended service life and resilience.
• Standardized Valve Size – Features a 50mm hydrostatic valve for common plumbing connections.