WaterFilterExperts.com > Pentek O-Ring for 3/8" Slimline Housings

Pentek O-Ring for 3/8" Slimline Housings

Pentek 151121 | Our#: 175596

$2.35

(Regular $3.16, You Save $0.81)
In Stock
Volume Pricing You Save
1 $2.35 ea.  
2 - 3 $2.28 ea. $0.07 ea. (3%)
4 - 5 $2.23 ea. $0.12 ea. (5%)
6 - 9 $2.10 ea. $0.25 ea. (11%)
10+ $2.00 ea. $0.35 ea. (15%)

Replaces These O-Rings

  • Ace Hardware OR-233
  • Ace Hardware 46807
  • American Plumber W38-OR
  • American Plumber 152031
  • Ametek OR-233
  • Culligan OR-233
  • Culligan 1019186
  • Pentek BUNA-N #237
  • Pentek OR-38
  • US Filter OR-233

Fits These Housings

  • Ace Hardware 4158515 Housing
  • Ace Hardware 4001699 Housing
  • Ace Hardware 49562 Housing
  • Ace Hardware 48166 Housing
  • Ace Hardware 45449 Housing
  • Ace Hardware 45335 Housing
  • American Plumber WRO-3167 Housing
  • American Plumber WLCS-500 Housing
  • Ametek PSCL-C2
  • Ametek CTR-CMR-10
  • Ametek CCF-201
  • Ametek CSL-CIK
  • Culligan US-550
  • Culligan US-316
  • Culligan RVF-10
  • Most Brands 3.5" Dia. Housings
  • Pentek SY-5167, SY-5197
  • Pentek US-560, US560K

Pentek O-Ring for 3/8" Slimline Housings

Pentek 151121 O-ring (OR-38) is used for Slimline filter housings by Culligan, Ametek, Ace Hardware, Pentek, US Filter, Plymouth, Kleen Plus, and American Plumber.  This O-ring is also known as the Buna-N # 237, and the 3G SL.   O-ring is approximately 3-3/4" in diameter.

Important O-Ring Tips:

  • Inspect O-Ring during each filter change for damage, cracks, splits
  • Cover O-Ring with silicon lubricant during each filter change
  • Do not overtighten filter sump (do not use filter wrench to tighten sump - only use wrench to loosen sump)
  • Replace O-Ring every two filter changes