
Pentek (143026) Filter Housing O-Rings 237 FOR US WATER STANDARD
Filter Housing O-Ring 237
A proper seal prevents leaks and maintains pressure
O-rings are the most commonly replaced part in any filter housing. They compress over time, crack from temperature changes, or tear during cartridge replacement. This Pentek 143026 O-Ring 237 is molded from FDA-approved Buna-N rubber and fits the standard slim line housing used by Pentek, US Water, Culligan, Ametek, and most major filter brands.
| Part Number | Pentek 143026 / O-Ring 237 |
| Material | Buna-N (Nitrile), FDA Grade |
| Housing Type | Slim line, 1/4" to 1/2" cap with 6 ribs |
| Temperature Range | 40°F to 250°F |
| Application | Potable water, municipal water, well water |
Works with most slim line filter housings
Direct replacement for Culligan OR-38, Ametek housings, US Filter standard models, Plymouth Products, Kleen Plus, American Plumber slim line systems, Bruner housings, and many others. If your housing has a 1/4" to 1/2" cap with 6 ribs, this o-ring will fit. Compatible with 10-inch and 20-inch slim line canisters from dozens of manufacturers.
Replace every time you change your filter
Standard Replacement
Replace o-ring with each cartridge change to prevent leaks and maintain housing integrity
Inspect for Damage
Check for cracks, compression marks, or loss of elasticity whenever you open the housing
Lubricate Before Installing
Use food-grade silicone grease on the o-ring to extend life and ease housing removal
Leak Prevention
Maintains proper seal under pressure up to 125 PSI
FDA Approved
Safe for potable water contact and NSF systems
Universal Standard
Fits Pentek, Culligan, Ametek, and most slim line housings
Cost Effective
Extend housing life and avoid water damage from worn seals
Filter Housing O-Ring 237
A proper seal prevents leaks and maintains pressure
O-rings are the most commonly replaced part in any filter housing. They compress over time, crack from temperature changes, or tear during cartridge replacement. This Pentek 143026 O-Ring 237 is molded from FDA-approved Buna-N rubber and fits the standard slim line housing used by Pentek, US Water, Culligan, Ametek, and most major filter brands.
| Part Number | Pentek 143026 / O-Ring 237 |
| Material | Buna-N (Nitrile), FDA Grade |
| Housing Type | Slim line, 1/4" to 1/2" cap with 6 ribs |
| Temperature Range | 40°F to 250°F |
| Application | Potable water, municipal water, well water |
Works with most slim line filter housings
Direct replacement for Culligan OR-38, Ametek housings, US Filter standard models, Plymouth Products, Kleen Plus, American Plumber slim line systems, Bruner housings, and many others. If your housing has a 1/4" to 1/2" cap with 6 ribs, this o-ring will fit. Compatible with 10-inch and 20-inch slim line canisters from dozens of manufacturers.
Replace every time you change your filter
Standard Replacement
Replace o-ring with each cartridge change to prevent leaks and maintain housing integrity
Inspect for Damage
Check for cracks, compression marks, or loss of elasticity whenever you open the housing
Lubricate Before Installing
Use food-grade silicone grease on the o-ring to extend life and ease housing removal
Leak Prevention
Maintains proper seal under pressure up to 125 PSI
FDA Approved
Safe for potable water contact and NSF systems
Universal Standard
Fits Pentek, Culligan, Ametek, and most slim line housings
Cost Effective
Extend housing life and avoid water damage from worn seals
Original: $3.27
-65%$3.27
$1.14Description
Filter Housing O-Ring 237
A proper seal prevents leaks and maintains pressure
O-rings are the most commonly replaced part in any filter housing. They compress over time, crack from temperature changes, or tear during cartridge replacement. This Pentek 143026 O-Ring 237 is molded from FDA-approved Buna-N rubber and fits the standard slim line housing used by Pentek, US Water, Culligan, Ametek, and most major filter brands.
| Part Number | Pentek 143026 / O-Ring 237 |
| Material | Buna-N (Nitrile), FDA Grade |
| Housing Type | Slim line, 1/4" to 1/2" cap with 6 ribs |
| Temperature Range | 40°F to 250°F |
| Application | Potable water, municipal water, well water |
Works with most slim line filter housings
Direct replacement for Culligan OR-38, Ametek housings, US Filter standard models, Plymouth Products, Kleen Plus, American Plumber slim line systems, Bruner housings, and many others. If your housing has a 1/4" to 1/2" cap with 6 ribs, this o-ring will fit. Compatible with 10-inch and 20-inch slim line canisters from dozens of manufacturers.
Replace every time you change your filter
Standard Replacement
Replace o-ring with each cartridge change to prevent leaks and maintain housing integrity
Inspect for Damage
Check for cracks, compression marks, or loss of elasticity whenever you open the housing
Lubricate Before Installing
Use food-grade silicone grease on the o-ring to extend life and ease housing removal
Leak Prevention
Maintains proper seal under pressure up to 125 PSI
FDA Approved
Safe for potable water contact and NSF systems
Universal Standard
Fits Pentek, Culligan, Ametek, and most slim line housings
Cost Effective
Extend housing life and avoid water damage from worn seals










