O-Rings


Replacement o-rings for most of our standard products.


O-rings are essential for leak-free performance, but they can deteriorate over time. Regular o-ring replacement prevents leaks.

If you aren't sure which o-ring you need, please call for information.

Index

Recommended

A small amount of silicone grease should be applied lightly to o-rings during cartridge changes to ensure years of leak-free use. This small packet will lube many o-rings.

$1.50
Part # aa201

A small amount of silicone grease should be applied lightly to o-rings during cartridge change.

$15.00
Part # aa202

Countertop Filter O-Rings

Fits standard Flowmatic filter housings for 2.5" width cartridges. Used in our Countertop Filters, Undersink Filters, Reverse Osmosis units, and standard sized Garden Hose Filters.

$2.00
Part # or001

Undersink Filter O-Rings

Fits standard Flowmatic filter housings for 2.5" width cartridges. Used in our Countertop Filters, Undersink Filters, Reverse Osmosis units, and standard sized Garden Hose Filters.

$2.00
Part # or001

Fits the cap of Q-Series cartridges. Used in our Q-Series Reverse Osmosis units.

$2.00
Part # or912

Reverse Osmosis O-Rings

Fits standard Flowmatic filter housings for 2.5" width cartridges. Used in our Countertop Filters, Undersink Filters, Reverse Osmosis units, and standard sized Garden Hose Filters.

$2.00
Part # or001

Fits the cap of Q-Series cartridges. Used in our Q-Series Reverse Osmosis units.

$2.00
Part # or912

Pura Ultraviolet O-Rings

$3.00
Part # or015

Standard o-ring for current Pura Ultraviolet UVBB units.

$5.00
Part # or026
“Classic” Pura Ultraviolet O-Rings
Price

Fits Pentek Slim Line® filter housings for 2.5" width cartridges. Used in our current black Hot Water Washing Machine Filters, and “Classic” Pura Ultraviolet UV1 units manufactured before late 2009. (AS568 Size #237)

$3.00
Part # or018

Fits standard Pentek filter housings for 2.5" width cartridges. Used in our Light Whole House Filters, Large Garden Hose Filters for 2.5" width cartridges, and in “Classic” Pura Ultraviolet UVB & UV20 units manufactured before late 2009. (AS568 Size #241)

$3.00
Part # or019

Fits Pura Ultraviolet UVBB units produced between 2009 and 2010.

$5.00
Part # or017

Fits Pentek Big Blue® filter housings for 4.5" width cartridges. Used in our Compact Whole House Filters, Large Garden Hose Filters for 4.5" width cartridges, and "Classic" Pura Ultraviolet UVBB units.

$5.00
Part # or020
Pura Ultraviolet Quartz Sleeve O-Rings
Price
$4.00
Part # or024

O-ring set for Pura UVB quartz sleeve #11 and Pura UV20 quartz sleeve #20.

$4.00
Part # or021

O-ring set for Pura UVBB quartz sleeve. Fits within the inner indention of the quartz sleeve adapter.

$4.00
Part # or022

O-ring set for UVBB quartz sleeve adapter. Fits in the outer indention of the quartz sleeve adapter. Note: These do not need to be replaced often.

$4.00
Part # or023

Garden Hose Filter O-Rings

Fits standard Flowmatic filter housings for 2.5" width cartridges. Used in our Countertop Filters, Undersink Filters, Reverse Osmosis units, and standard sized Garden Hose Filters.

$2.00
Part # or001

Fits standard Pentek filter housings for 2.5" width cartridges. Used in our Light Whole House Filters, Large Garden Hose Filters for 2.5" width cartridges, and in “Classic” Pura Ultraviolet UVB & UV20 units manufactured before late 2009. (AS568 Size #241)

$3.00
Part # or019

Fits Pentek Big Blue® filter housings for 4.5" width cartridges. Used in our Compact Whole House Filters, Large Garden Hose Filters for 4.5" width cartridges, and "Classic" Pura Ultraviolet UVBB units.

$5.00
Part # or020

Washing Machine Filter O-Rings

Cold Water Washer Filter O-rings
Price

Fits standard Flowmatic filter housings for 2.5" width cartridges. Used in our Countertop Filters, Undersink Filters, Reverse Osmosis units, and standard sized Garden Hose Filters.

$2.00
Part # or001
Hot Water Washer Filter O-Rings
Price

Fits Pentek Slim Line® filter housings for 2.5" width cartridges. Used in our current black Hot Water Washing Machine Filters, and “Classic” Pura Ultraviolet UV1 units manufactured before late 2009. (AS568 Size #237)

$3.00
Part # or018

O-ring for red Flowmatic hot water filter housings. Used in some older models of our Washing Machine Filters.

$4.00
Part # or007

Compact Whole-House Filter O-Rings

Fits standard Pentek filter housings for 2.5" width cartridges. Used in our Light Whole House Filters, Large Garden Hose Filters for 2.5" width cartridges, and in “Classic” Pura Ultraviolet UVB & UV20 units manufactured before late 2009. (AS568 Size #241)

$3.00
Part # or019

Fits Pentek Big Blue® filter housings for 4.5" width cartridges. Used in our Compact Whole House Filters, Large Garden Hose Filters for 4.5" width cartridges, and "Classic" Pura Ultraviolet UVBB units.

$5.00
Part # or020

VIQUA Filter O-Rings

Fits VIQUA Advanced Water Products™ 10" and 20" housings.

$24.00
Part # or025

Quick Connect Fitting O-Rings

A six pack of o-rings for 1/4" John Guest and Mur-lok fittings.

$4.00
Part # or910

A six pack of o-rings for 3/8" John Guest and Mur-lok fittings.

$4.00
Part # or911

Our index of Quick Connect Parts also includes these o-rings, as well as collets and locking clips, and offers some helpful advice on leak repair and prevention for John Guest and Mur-lok Quick Connect fittings.


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