Equipment
Main Drain
The bottom-of-pool intake that pulls deep water through the filtration system, working alongside the skimmers.
Main drains pull water from the deepest point of the pool, where heat and chemical concentration stratify. Modern dual-port main drains (VGB-compliant) prevent suction entrapment and are required by federal law on all new and remodeled pools.
Written and reviewed by AE Outdoor Living — Arizona ROC-licensed pool & outdoor living contractor.
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