151122 – Pentek BB O-Ring



The Pentek 151122 o-ring replacement is used with 1″ and 1-1/2″ Big Blue, HD, and Heavy Duty Housings by Culligan, Ametek, Pentek, US Filter, Plymouth, Kleen Plus, *SpringHouse and American Plumber. The o-ring is compatible and interchangeable with the Culligan OR-100 and W10-OR. The Pentek 151122 is constructed from Buna-N that is resistant to a variety of liquids and temperatures.

The O-ring is approx. 5-3/4″ outside diameter.

O-ring maintenance is important for preventing leaks, loss of pressure, and damage to equipment. Regularly replace o-rings and if you notice signs of wear or cracks, the o-ring should be replaced immediately.


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