Hayward Header O-Ring | HAXHOR1930 Outdoor Billiards Table Application-Specific: Designed exclusively for use

Application-Specific: Designed exclusively for use with single-sided fireplace configurations

manufactured to exact factory specifications for airflow performance

Part number BLKRS36 used for accurate ordering and reordering

Installed into concrete decks with proper alignment

Often replaced after clamp damage or corrosion

Hayward Header O-Ring | HAXHOR1930 Outdoor Billiards Table Application-Specific: Designed exclusively for useWhat This Part Is Used For The Hayward HAXHOR1930 Header O Ring is used to seal the heater header connection on compatible H Series heaters. It prevents water leakage between header components. Why This Part Matters A worn or flattened O ring can cause visible leaks and air intrusion. Replacing it restores a proper seal and maintains correct internal pressure. Reliable sealing helps protect the heat exchanger from damage. Key Features and