OEM Hayward Header O-Ring Kit FDXLFOR1930 is a complete set of 11 O-rings designed for Hayward Universal H-Series Low NOx pool heaters, including models H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP, and H500FD. These O-rings are essential for sealing key components within the header assembly, helping prevent leaks and maintain proper heater performance. Built with durability in mind, this OEM kit supports routine maintenance and ensures long-term system efficiency by protecting against water and gas escape at critical joints.

• Fits Full H-Series FD Models: Compatible with H150FDN through H500FD models for comprehensive sealing across key heater connections

• Includes 11 Durable O-Rings: Features a full set of O-rings in varied sizes to seal joints within the header assembly of your heater

• Prevents Water and Gas Leaks: Designed to ensure tight, leak-free operation at key connection points to preserve performance and safety

• OEM Quality and Fitment: Genuine Hayward parts engineered for lasting use and perfect integration with the original equipment

• Ideal for Routine Maintenance: Essential for repairs and seasonal upkeep to avoid costly heater issues and minimize operational downtime

• (11) O-Rings

• Hayward H-Series Heaters Models: H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP, H500FD

Identifying Heater Leak Points

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Fitment Across Models and Sizes

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In-Store Pickup and Availability

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