Pentair & Pentek Replacement Housing O-Rings - Genuine Seals for Filter Housings
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Why You'll Love It
There is nothing more annoying than a slow drip coming from your water filter. 99% of the time, it's just a tired O-ring. Over time, the rubber seals in your housing can flatten out, stretch, or crack. These genuine replacement O-rings are the quick, cheap fix to get your system watertight again. We stock a full range of specific seals—from the large "Big White" whole-house units down to the standard under-bench housings—so you can stop the leaks and get on with your day.
★★★★★
Trusted in 1,500+ Kiwi Homes
100+ five-star reviews for cleaner-tasting water and simple filter changes.
The Problem Solver
- Stop the Drips: Replaces old, perished, or stretched seals to create a perfect watertight seal.
- Genuine Fit: These are genuine Pentair and Pentek parts, designed to fit the specific grooves of their respective housings perfectly.
- Maintenance Essential: It’s always a smart idea to keep a spare O-ring in the cupboard for when you do your annual filter change.
- Wide Compatibility: We stock seals for the specialized "Big White" profiles, standard heavy-duty units, and smaller 1/4" or 1/2" port housings.
Big White Jumbo - Round
Part: BWHOR/ROUND
Fits: Pentair "Big White" Jumbo Housings requiring a round cross-section seal.
- Profile: Round
Big White Jumbo - Square
Part: BWHOR/SQUARE
Fits: Pentair "Big White" Jumbo Housings requiring a square/flat cross-section seal.
- Profile: Square / Flat
- Tip: Check your old O-ring shape closely!
Ametek Heavy Duty 3/4"
Part: ORINGA3/4
Fits: Ametek/Pentek Standard Heavy Duty Housings with 3/4" Ports.
- Profile: Standard Round
Pentek Standard (1/4" & 1/2")
Part: ORING
Fits: Pentek Standard Housings with 1/4" and 1/2" Ports.
- Profile: Standard Round
Why Buy From Filtration Station?
We make clean water easy. When you shop with us, you get:
- Clean water, clear choice: We trust the gear we sell because we use it ourselves.
- Fast NZ Shipping: We get it to you quick, rural or urban.
- Real Kiwi Support: Questions? Email us at sales@filtrationstation.co.nz or call 0800 209 829.
Specs
- Material: Durable Rubber (Nitrile/Buna-N)
- Compatibility: Specific to Pentair/Pentek/Ametek models
- Application: Watertight Seal Replacement
- Warranty: Consumable Item (Manufacturer's Warranty)