$13.99
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
Keep your Hayward Heater running smoothly with our replacement header O-Rings! Designed for H-Series Millivolt Heaters, each pack comes with 2 O-Rings. Purchase individually or as part of a convenient kit with tubes, union nuts, and more.
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$13.99