Feature

●Part: Replacement 151122 o-rings compatible with Pentair/Pentek style Big Blue Water Filter Housings (3 Pack)
●Includes 3 replacement o-rings (also called seals or gaskets) to repair your leaking water filter housing [OEM UPC: 051678511220 , 885343762095]
●151122 OEM Size o-rings are approximately 5.5" Inside Diameter x 5.83" Outside Diameter x 0.165" Thickness. Please confirm that you need this size o-ring and that your filter housing is listed on the list of compatible housings or that your product manual calls for the 151122 o-ring part number or one of the other part numbers listed below.
●Direct Replacement for the following part numbers (see description below for full water filter compatibility list): Ace Hardware 4001756; American Plumber 152032, W10-OR; APEC O-RING-HB; Ametek Kleen-Plus 151122-03; Culligan OR-100, 151122-27, 01019189; HomeMaster #Oring122; Pentek 151122, BB BUNA-N
●Manufactured and Warrantied by Captain O-Ring LLC. Proudly assembled in the USA!


Description

Captain O-Ring - Replacement Pentek 151122 Water Filter Housing O-Rings

Part Number 151122 (3 Pack)
Inside Diameter 5.5 inches
Outside Diameter 5.83 inches
Cross Section (Thickness) 0.165 inches
Direct Replacement For Ace Hardware 4001756; American Plumber 152032, W10-OR; AO Smith AO-WH-LG-OR, APEC O-RING-HB; Ametek Kleen-Plus 151122-03; Culligan OR-100, 151122-27, 01019189; HomeMaster #Oring122; Pentek 151122, BB BUNA-N
Pentek Housing Compatibility Pentek #10 and #20 Big Blue opaque filter housings with 1" or 1-1/2" inlet/outlets; Pentek 150233, 150234, 150235, 150236, 150237, 150238, 150239, 150240, 150467, 150468, 150469, 150470, 150686, 150687, 150689, 150690, 150688, 150691, BBFS-22, BBFS-222
Other Housing Compatibility Aqua-Flo H-PR-10BV-1; APEC HBB-20/HBB-10 series (input sizes: 3/4", 1", 1.5"), HBC-20/HBC-10 series (input sizes: 3/4", 1", 1.5"); Ace Hardware 49561; Ametek Kleen-Plus HD-10-R50, BBS; American Plumber W10-PR, 152014, W2010-PR, 152015, W15-PR, 152016, W2015-PR, 152017, WWHC, 152022; AO Smith AO-WH-PRL; Culligan HD-950, HD-950A; Omnifilter BF7
Water Filter Housing CompatibilityWater Filter Housing Compatibility

Captain O-Rings replacement 151122 o-rings are compatible with the following filter housings:

  • Aqua-Flo H-PR-10BV-1
  • APEC HBB-20/HBB-10 series (input sizes: 3/4", 1", 1.5"), HBC-20/HBC-10 series (input sizes: 3/4", 1", 1.5")
  • Ace Hardware 49561
  • Ametek Kleen-Plus HD-10-R50, BBS
  • American Plumber W10-PR, 152014, W2010-PR, 152015, W15-PR, 152016, W2015-PR, 152017, WWHC, 152022
  • AO Smith AO-WH-PRL
  • Culligan HD-950, HD-950A; Omnifilter BF7
  • Pentek #10 and #20 Big Blue opaque filter housings with 1" or 1-1/2" inlet/outlets
  • Pentek 150233, 150234, 150235, 150236, 150237, 150238, 150239, 150240, 150467, 150468, 150469, 150470, 150686, 150687, 150689, 150690, 150688, 150691, BBFS-22, BBFS-222
  • Dont see your filter housing model on this list? Contact Captain O-Ring and well be happy to help determine the correct o-ring for your filter housing. We have dozens of water filter o-ring sizes in stock for all of the most popular filter housing models.

Captain O-Rings replacement 151122 o-rings are a direct replacement for the following other brand part numbers:

  • Ace Hardware 4001756
  • American Plumber 152032, W10-OR
  • A.O. Smith AO-WH-LG-OR
  • APEC O-RING-HB
  • Ametek Kleen-Plus 151122-03
  • Culligan OR-100, 151122-27, 01019189
  • HomeMaster #Oring122
  • Pentek 151122, BB BUNA-N
  • Looking for a different part number that isnt on this list? Contact Captain O-Ring and well be happy to help point you in the direction of the correct o-ring part number for your system.

Captain O-Ring - Replacement 151122 O-Rings Compatible with Pentek Big Blue Water Filters OEM sizeCaptain O-Ring - Replacement 151122 O-Rings Compatible with Pentek Big Blue Water Filters OEM size

Exact OEM size for a perfect fit in your compatible water filter housing

The exact OEM size match allows Captain O-Ring’s 151122 o-rings to drop right into your compatible housing with the perfect fit. They won’t pinch or move during installation and won’t bind up during removal when it comes time for your next filter change.

Captain O-Ring’s 151122 o-rings are packed flat in their package, rather than curled up like other brands. This allows the o-ring to easily fit into your housing right out of the package. No more wrestling with the o-ring to keep it flat in your filter housing during install.

This replacement Pentek 151122 O-ring is used to seal water filter housings. It has an inside diameter of 5-1/2" and outside diameter of just over 5-3/4 inches and is made of nitrile butadiene rubber (Buna-N) for flexibility and resistance to abrasion and tearing. The o-ring is compatible with Pentair/Pentek Big Blue filter housings and many other brands housings, which are used in various applications, such as drinking water purification, industrial processes, and more (see housing compatibility and full list of replacement part numbers above).

What to expect:

This item includes three (3) O-Rings in a resealable zip-top poly bag with "Captain O-Ring" branded packaging.

Manufactured and warrantied against defect for one year by Captain O-Ring LLC.

Frequently Asked Water Filter O-Ring Questions

How often do I need to change my filter housings o-ring?How often do I need to change my filter housings o-ring?

Can I use grease or lubricant on these o-rings?Can I use grease or lubricant on these o-rings?

What if I dont know what o-ring part number my filter housing needs?What if I dont know what o-ring part number my filter housing needs?

How often do I need to change my filter housings o-ring?

Captain O-Rings high quality replacement water filter housing o-rings are designed for reliable extended use. Still, it is typically recommended to replace your o-ring on every third filter change to ensure it is in top shape to prevent leaks.

Can I use grease or lubricant on these o-rings?

Since Captain O-Ring supplies high quality o-rings without surface imperfections or tacky/sticky surface texture, lubrication is typically not needed if the filter housing sealing surfaces are clean and free of debris. Simply wet the o-rings with water before installing. However, if lubrication is preferred, these Buna Nitrile rubber o-rings are compatible with silicone based and petroleum based lubricants, as well as natural lubricants like vegetable oil.

What if I dont know what o-ring part number my filter housing needs?

Not sure which o-ring part number you need for your filter housing? Use our handy printable water filter housing o-ring size chart. Simply print out the chart and lay your old o-ring on the page to see which o-ring it matches with. You can find the size chart listed as "User Guide [PDF]" under the "Product guides and documents" section or the "downloads" section on this page, depending on your Amazon page layout.

What if I need a thicker o-ring for a filter housing that isnt listed as compatible with the 151122 o-ring?

If your "Big Blue" filters o-ring is 5.5" in inside diameter, but thicker than 0.165" (closer to 0.210"), then you most likely need the Culligan OR-250 o-ring (found here: amazon.com/dp/B074THDBQ2). If youre not certain about the o-ring size, use our printable water filter o-ring size chart to print out and size up your old o-ring to the page to confirm the part number needed (see product photos for details) or feel free to contact Captain O-Ring and wed be happy to help determine the part number you need!

Product guides and documents

User Guide (PDF)