OEM Hayward Inlet Outlet Header Kit HDXFIOH001 is designed exclusively for use with HDF-series heaters, providing a complete set of components to optimize water flow and heating efficiency. This kit ensures smooth water passage through the inlet and outlet ports, supporting effective heat transfer and system performance. Built from premium, corrosion-resistant materials, the components are engineered to withstand demanding pool environments. Whether you're installing a new unit or performing essential repairs, this OEM header kit helps maintain heater integrity and extend service life.

• Optimized Flow for HDF Heaters: Engineered to support consistent water movement and efficient heating performance in Hayward HDF400 units

• Includes Complete Header Assembly: Comes with all required inlet and outlet components for restoring or upgrading heater plumbing connections

• Built for Pool-Specific Demands: Manufactured from rugged, pool-grade materials designed to handle heat, pressure, and long-term exposure

• Corrosion-Resistant Construction: Resists rust and degradation in chlorinated and chemically treated water systems

• Supports Long-Term Heater Functionality: Ideal for routine maintenance or full replacement, preserving overall heater efficiency and reliability

• Compatible with Hayward HC-Series HDF400 Heaters

Diagnosing Flow and Connection Problems

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Kit Components and In-Store Solutions

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Heater Model Compatibility and Fit

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