The Hayward HCP30503 5.5 HP Three-Phase Pump from the HCP 3000 Series delivers industry-leading performance, exceptional hydraulic efficiency, and rugged durability for demanding commercial pool applications. Engineered to set a new benchmark for 3" union-class pumps, the HCP30503 provides powerful water movement while maintaining superior energy efficiency. Featuring a TEFC motor, chemical-resistant Viton seal, and an oversized strainer basket, this pump is designed for long service life, simplified maintenance, and reliable operation in high-use aquatic environments.

Key Features

• Heavy-duty 5.5 HP Three-Phase motor engineered for strong, consistent water flow ideal for small- to mid-sized commercial and semi-commercial pool systems.

• Part of the innovative HCP 3000 Series—the first 3" union pumps capable of delivering over 250 GPM at 60 ft of head (on 7 HP model), offering unmatched hydraulic performance.

• Equipped with a modern TEFC (Totally Enclosed Fan-Cooled) motor that enhances reliability, reduces heat exposure, and protects internal components from contaminants.

• Chemical-resistant Viton mechanical seal provides long-term durability and superior resistance in chemically treated commercial pool environments.

• Oversized removable strainer basket increases debris capacity, extends time between cleanings, and supports remote mounting for installation flexibility.

• 2.5" x 3" union connections allow for simple drop-in replacement and broad compatibility with most commercial pump systems and equipment brands.

• Available in both single-phase and three-phase configurations across the HCP 3000 Series for versatile installation options.

• Highly durable construction suitable for rigorous, high-volume aquatic facility operations.

• Backed by a 3-year limited warranty on parts and all single-speed configurations for long-term performance assurance.

• NSF/ANSI Standard 50 Certified to meet strict commercial pool and spa safety and performance standards.

Product Overview
The Hayward HCP30503 HCP 3000 Series Pump is designed for aquatic facilities that demand powerful, efficient, and reliable water circulation. With its 5.5 HP TEFC motor, the pump offers outstanding hydraulic output while reducing operational noise and improving longevity. The oversized ribless strainer basket enhances maintenance efficiency by allowing quick debris removal and longer intervals between service tasks.

Compatible with most commercial plumbing systems thanks to its 2.5" x 3" union connections, the HCP30503 makes retrofitting existing installations straightforward. The chemical-resistant Viton seal ensures the pump can withstand aggressive water chemistry common in commercial pools. Engineered for heavy-duty performance and backed by NSF certification and a strong warranty, the HCP30503 stands as a premium choice for hotels, waterparks, recreation centers, competitive pools, and municipal facilities that require high-performance, long-lasting circulation equipment.