Hayward FD Heater High Limit Kit | FDXLHLI1930 Carbon Seal durable upgrade that makes routine

durable upgrade that makes routine service quicker and less risky

Self-aligning joint: A built-in alignment mechanism guides the two halves into perfect alignment

tool-friendly installation that preserves plumbing integrity

accurate way to test their system for its specific sodium chloride level

Hayward FD Heater High Limit Kit | FDXLHLI1930 Carbon Seal durable upgrade that makes routineHayward Commercial Pool's Universal H Series gas heaters are made for commercial use. Like the rest of our H Series line, they combine industry leading hydraulics, exceptional performance, energy efficiency and reliability, with planet friendly low NOx emissions. You can count on genuine Hayward replacement parts for continued reliability.