Hayward Header O-Ring | HAXHOR1930 Outdoor Billiards Table Heater adjustments are harder because

Heater adjustments are harder because the control area is unlabeled

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

In a typical spa system

Part number BLKRS36 used for accurate ordering and reordering

Often replaced after clamp damage or corrosion

Hayward Header O-Ring | HAXHOR1930 Outdoor Billiards Table Heater adjustments are harder becauseWhat 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