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All Filters : All Filters O-Rings

Pentek O-rings

Pentek filter housing O-rings should be replaced every two filter changes, or when a water leak is noticed. Hand tighten only to prevent leaks.

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Pentek O-rings product list


Pentek 151122 O-ring for Big Blue/HD Housings
(151122)

Pentek 151122 O-ring is used for Big Blue / Heavy Duty Housings by Culligan, Ametek, Pentek, US Filter, Plymouth, Kleen Plus, and American Plumber. O-ring is 5 3/4" in diameter and can be used in place of the OR-100 by Culligan.


In stock! Ships in 1 business day.
Pentek 151122 O-ring for Big Blue/HD Housings
Our Price: $2.99
Retail: $19.99
You Save 85%!






Pentek 151120 Filter O-Ring Replaces W34-OR
(151120)

The Pentek 151120 / American Plumber W34-OR O-Ring is a replacement o-ring for all Pentek and American Plumber 3/4 inch I/O Filter Housings except the WH34 Housing.


In stock! Ships in 1 business day.
Pentek 151120 Filter O-Ring Replaces W34-OR
Our Price: $1.29
Retail: $5.99
You Save 78%!






Pentek O-Ring For SlimLine Filter Housing 151121
(151121)

The Pentek 151121 is the correct replacement for the following housings: Pentek, Kleen Plus, American Plumber, Ametek, Plymouth, US Filter and Bruner Slim Line Filter Housings.


In stock! Ships in 1 business day.
Pentek O-Ring For SlimLine Filter Housing 151121
Our Price: $2.75
Retail: $9.99
You Save 72%!






Pentek BB BUNA-N - Big Blue Filter Housing O-Ring
(BB BUNA-N)

The Pentek BB BUNA-N - Big Blue Filter Housing O-Ring is a replacement O-ring used in all Big Blue water filter housings from Pentek with 1" and 1 1/2" inner/outer diameters, except the Big Clear Housing. This filter housing o-ring is constructed wi


In stock! Ships in 1 business day.
Pentek BB BUNA-N - Big Blue Filter Housing O-Ring
Our Price: $2.99
Retail: $19.99
You Save 85%!






Pentek 241 O-Ring for 10, 12 & 20 Filter Housings
(151117)

The Pentek 241 O-Ring for 10, 12 & 20 Filter Housings is also known as part number 151117. This Pentek O-Ring seals the housing sump to the housing cap to prevent leakage.


In stock! Ships in 1 business day.
Pentek 241 O-Ring for 10, 12 & 20 Filter Housings
Our Price: $6.99
Retail: $14.99
You Save 53%!






Pentek 143216 O-Ring for Pentek ST Filter Housings
(143216)

This Pentek O-Ring (Pentek 143216) is a replacement o-ring for Pentek ST Model stainless steel water filter housings including the following models:


In stock! Ships in 1 business day.
Pentek 143216 O-Ring for Pentek ST Filter Housings
Our Price: $9.99
Retail: $19.99
You Save 50%!






Pentek O-Ring for 3/8" Slimline Housings SH143330
(SH143330)

The Pentek OR-233 is the correct replacement for the following systems: Pentek Under-Sink RO-3000 Reverse Osmosis Systems and Pentek Under-Sink RO-3500 Reverse Osmosis Systems.


In stock! Ships in 1 business day.
Pentek O-Ring for 3/8" Slimline Housings SH143330
Our Price: $2.99
Retail: $5.99
You Save 50%!






Pentek 151118 Silicone O-ring
(151118)

Pentek 151118 Silicone O-ring is designed for use in Pentek High Tempature Housing models 150015 & 150111 to prevent leaking.


In stock! Ships in 1 business day.
Pentek 151118 Silicone O-ring
Our Price: $11.99
Retail: $14.99
You Save 20%!






Pentek 158096 Silicone O-ring
(158096)

Pentek 158096 Silicone O-ring is designed for use in Pentek High Tempature Housing models 158319 & 158318 to prevent leaking.


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Pentek 158096 Silicone O-ring
Our Price: $20.99
Retail: $29.99
You Save 30%!






Pentek O-ring Kit for Quartz Sleeve for UVS-110
(163538)

The Pentek 163538 is the correct replacement for the following SlimLine water filtration systems: Pentek UVS-110-1 Pentek UVS-110-2 The Pentek O-ring Kit for Quartz Sleeve for UVS-110 prevents water from leaking around the quartz sleeve. This


In stock! Ships in 1 business day.
Pentek O-ring Kit for Quartz Sleeve for UVS-110
Our Price: $19.99
Retail: $21.99
You Save 9%!






Pentek O-ring for Quartz Sleeve UV-110 & UV-120
(163516)

The Pentek 163516 is the correct replacement for the following ultraviolet water filtration systems: Pentek UV-110-1 Pentek UV-110-2 Pentek UV-120-1 Pentek UV-120-2 The Pentek O-ring for Quartz Sleeve UV-110 & UV-120 prevents water from lea


In stock! Ships in 1 business day.
Pentek O-ring for Quartz Sleeve UV-110 & UV-120
Our Price: $21.98
Retail: $29.99
You Save 27%!






Pentek O-Ring Gasket for ST-BC Stainless Series
(143218)

The Pentek 143218 O-ring for filter housings is the correct replacement for your Pentek ST-BC series stainless steel housing. This o-ring will form a seal between the housing sump and housing cap to prevent leaks. This o ring gasket will complete yo


In stock! Ships in 1 business day.
Pentek O-Ring Gasket for ST-BC Stainless Series
Our Price: $69.99
Retail: $83.75
You Save 16%!






Pentek BBLB O-Ring for MPST Filter Housings
(BBLB)

The Pentek BBLB O-Ring fits Pentek multi-purpose stainless steel filter housings MPST-1.5 and MPST-1 (243111).


In Stock! Ships in 15 to 16 business days.
Pentek BBLB O-Ring for MPST Filter Housings
Our Price: $10.99
Retail: $12.50
You Save 12%!






Pentek 163515 UV System O-Ring Gasket
(163515)

The Pentek 163515 UV System O-Ring Gasket is a gasket for the stainless insert sleeve in the Pentek UV-120 Ultraviolet Water Filter System. This O-ring should only be replaced only needs to be replaced when it is worn out. A replacement gasket will


Special Order. Ships in 16 days.
Pentek 163515 UV System O-Ring Gasket
Our Price: $12.65
Retail: $14.99
You Save 16%!






Pentek 1/4" Santoprene Gasket for Bag Filters
(257388)

This 1/4" gasket is used with various Pentek bag filters and is made of Santroprene, a thermoplastic elastomer made by combining EPDM rubber with polypropylene.


Discontinued Product Read Description.
Pentek 1/4" Santoprene Gasket for Bag Filters
Our Price: $2.71






Filters Fast - Pentek O-rings

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