Pentair Pentek Big Blue Water Filters O-Ring Replacement

The Pentek/Pentair Big Blue Heavy Duty Series (150238, 150233, 150237, 150234, 150239, 150240, 150235, 150236, 150671, 150426, 150383, 150672, 150639, 150469, 150470, 150467, 150468, 158799), Big Blue with Drain (150689, 150690), and PBH Series Bag Filter Housings (150360, 150367, 150338, 150337) are compatible with our replacement O-rings. Additionally, the Pentek/Pentair #10 and #20 (4.5x10" and 4.5x20") Big Blue opaque filter housings (142928 REV B NV13, 150233, 150234, 150235, 150236, 150237, 150238, 150239, 150240, 150383, 150426, 150467, 150468, 150688, 150689, 150469, 150470, 150639, 150671, 150672, 150686, 150687, 150690, 150691, 158799, BBFS-22, BBFS-222) are also compatible.

Our O-rings are direct replacements for various models, including Ace Hardware 4001756; American Plumber 152032, W10-OR; Ametek Kleen-Plus 151122-03; AO Smith AO-WH-LG-OR (also called 1074315), APEC O-RING-HB; Culligan OR-100, 151122-27, 01019189; HomeMaster #Oring122; and Pentek 151122, BB BUNA-N.

The dimensions of these O-rings are approximately 5.5" Inside Diameter x 5.83" Outside Diameter x 0.165" Thickness. It is important to confirm the required O-ring size before purchase to ensure compatibility with your specific water filter housing.

We recommend replacing the O-ring every third filter change to maintain optimal performance and prevent leaks. Additionally, we suggest lubricating the O-ring with water or lubricant before installation to ensure a proper seal.

Other compatible housings include 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; 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; Ametek Kleen-Plus HD-10-R50, BBS; and Omnifilter BF7.

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