The OR-38 O-Ring is a lubricated rubber gasket for many brands of under sink and whole house water filtration housings.
The OR-38 o-ring gasket is used to seal the housing canister to the housing cap to prevent leaks in the water filter system.
The OR-38 oring can be used with 3/8" inlet/outlet housings with a 3.5" diameter housing sump.
The OR-38 rubber o-ring is 3.5" in diameter and is a Buna-N o-ring.
The OR-38 O-Ring has been branded under Ace Hardware, American Plumber, Ametek, Culligan, Pentek, US Filter Plymouth Products. The American Plumber model number for the OR-38 is the W38-OR O-Ring.
The OR-38 can be used with many water filter housings including Ace Hardware, American Plumber, Ametek, Culligan, MasterPlumber, Pentek, and US Filter Plymouth Products.
The Pentek OR-38 o-ring gasket should be well lubricated with silicone lubricant to prevent leaks in the water filtration system.
The OR-38 oring should be replaced every two filter changes or if there is damage to the OR-38 oring.
OR-38 O-Ring Specs:
Outside Diameter: 3-3/4 Inches
Diameter: 3-1/2 Inches
Inside Diameter: 3-3/8 Inches
Manufacturer: Tier1 1019186
Use the OR-38 O-Ring With:
3.5" Diameter Housings
#5 & #10 Slim Line Housings
3/8" Inlet/Outlet Slim Line Housings with 3.5" diameter housing sumps