Add to favorites
Captain O-Ring – Replacement DEX2400K O-Ring for Hayward Micro-Clear DE, Pro-Grid, Super Star Clear, SwimClear Filters by Captain O-Ring - Used condition

Captain O-Ring – Replacement DEX2400K O-Ring for Hayward Micro-Clear DE, Pro-Grid, Super Star Clear, SwimClear Filters — Open-Box, 39% Off

Brand: Captain O-Ring

Condition: Used - VeryGood
$1098
$1799
-39% Save $701
Updated: 26 days ago

Description

O-Ring Part Number: DEX2400K (also called O-429, DE2400K, DEX360K, 4820-02) Compatible with Hayward Micro-Clear DE Filters (DE2400, DE3600, DE4800, DE6000), Pro-Grid DE Filters (DE2420, DE3620, DE4820, DE6020, DE7220), SwimClear Cartridge Filters (C2020, C2025, C3020, C3025. C4020, C4025, C5020, C5025, C7000) and Super Star Clear Filters (C-2000, C-3000, C-4000, C-4500, C-5000, C-5500). The DEX2400K o-ring gasket is the large tank/body o-ring that seals between the top and bottom half of the compatible filter models listed above. This o-ring eventually wears out from being compressed in service for a long period of time. If you notice your filter dripping from the seam/band between the two halves, it’s time to replace your o-ring to restore your filter to peak performance. Molded from OEM spec synthetic rubber for long lasting performance and reliability. Seals up your filter and restores function and performance to when it was brand new! Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA! Get your leaking filter back in working order with Captain O-Ring’s replacement DEX2400K tank/body o-ring. Even better, keep a spare on hand ahead of time for when yours eventually does start to leak.

​The DEX2400K o-ring is compatible with the following Hayward Filter Models:
- Micro-Clear DE Filters (DE2400, DE3600, DE4800, DE6000)
- Pro-Grid DE Filters (DE2420, DE3620, DE4820, DE6020, DE7220)
- SwimClear Cartridge Filters (C2020, C2025, C3020, C3025. C4020, C4025, C5020, C5025, C7000)
- Super Star Clear Filters (C-2000, C-3000, C-4000, C-4500, C-5000, C-5500).

The DEX2400K o-ring measures just over 20” diameter across and 1/2” Thickness. Captain O-Ring’s replacement DEX2400K uses the same mold as the OEM o-ring that came with your filter, so you can expect an o-ring that fits exactly like the one that came with your filter when it was brand new. The o-ring is molded from OEM spec synthetic rubber for long lasting performance and durability, keeping your filter humming along at peak performance while you enjoy your pool or spa.

How to know when it’s time to replace your o-ring? It’s best practice to replace your filter’s o-ring every 2-3 years to maintain optimal performance and prevent leaks. However, water conditions and the tightness of the filter closure can affect service life. If you notice signs of wear or damage (cracks, cuts, or other deformation) to your o-ring, it’s best to replace it sooner. The o-ring will eventually wear out from being compressed in the filter band over the course of the years. If you notice your filter dripping at the seam/band between the top and bottom halves of the filter, then it’s time to replace your o-ring to restore your filter back to peak performance.

Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA!

Sold by

Amazon Warehouse

Verified Retailer

Official Amazon outlet for open-box & returned items

  • Backed by Amazon's A-to-Z Guarantee
  • 30-day return policy
  • Ships from Amazon fulfillment centers
  • Price verified on Amazon

Product Details

SKU:
awhd-us-b0gbyy51jx
Model:
DEX2400K
Country:
US
ASIN:
B0GBYY51JX
UPC:
810061943365

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $7 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Captain O-Ring products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

More open-box deals

Updated daily from Amazon, Reebelo, and Dyson.

Sign in to save items

Save favorites and get alerts when prices drop.

or

We'll email you a link to sign in instantly — no password needed.