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Replacement for Model US-600A

Culligan OR-233 Replacement O-Ring for 3" Housings


Culligan OR-233 Replacement O-Ring for 3" Housings
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Product Information

This Culligan Replacement O-Ring for 3" Housings (OR-233) is made for under sink filtration systems. It fits Culligan models US-600A, SY-2000, SY-2300, SY-2500, SY-2650, and ACE 4158622A. However, it is a compatible O-ring replacement for all 3" diameter under sink water filter housings made by Pentek, Ametek, American Plumber, ACE, Omnifilter, US Filter, Plymouth, Kleen Plus, and other brands.

This O-ring gasket must be lubricated with silicone lubricant in order to prevent leaks in the water filtration system. Further installation instructions for this O-ring are included on the back of the packaging.

The Culligan OR-233 O-Ring is interchangeable with the following 3" O-rings:

  • American Plumber O-Ring (OR-233, 151231-51)
  • Ametek O-Ring (OR-233)
  • Culligan O-Ring (OR-233, 411310)
  • Pentek O-Ring (OR-233, 151231)
  • US Filter O-Ring (OR-233)


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OR-233A is used in the following Models
 ACE 4158622A
" Thank you for your expert service when helping me get the proper filters for my old pool and filter system. The new ones are perfect and work very well. All the best! " - Jim, Alamo, CA
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