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
- Countertop Filter O-Rings
- Undersink Filter O-Rings
- Reverse Osmosis: Undersink and Countertop
- Pura Ultraviolet
- Washing Machine Filters
- Garden Hose Filters
- Compact Whole House: Cartridge Style Filters
- Viqua Advanced Water Products™ Housings
- Quick Connect Fittings
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.
A small amount of silicone grease should be applied lightly to o-rings during cartridge change.
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.
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.
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.
Pura Ultraviolet O-Rings
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)
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)
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.
O-ring set for Pura UVBB quartz sleeve. Fits within the inner indention of the quartz sleeve adapter.
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.
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.
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)
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.
Washing Machine 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.
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)
O-ring for red Flowmatic hot water filter housings. Used in some older models of our Washing Machine Filters.
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)
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.
Quick Connect Fitting O-Rings
A six pack of o-rings for 1/4" John Guest and Mur-lok fittings.
A six pack of o-rings for 3/8" John Guest and Mur-lok fittings.
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.
Site Index
Filtration Systems
- Aeration for Iron & Sulfide
- Backwashing Filters
(whole house & well units)
- Chlorine & Chemical Injectors
- Countertop Water Filters
- Emergency Filters
- Garden Hose Filters
- Reverse Osmosis, Residential
- Reverse Osmosis, Commercial
- Shower Filters
- Specialty Filters
- Ultraviolet Systems
- Undersink Filters
- Water Softeners
- Whole House Filters
Cartridges
Parts
- Replacement Parts
- Faucets
- Filter Media
- Fittings
- Housings
- O-rings
- Pumps
- Pura UV
- R.O. Parts
- R.O. Tanks
- R.O. Booster Pump
- VIQUA UV