NSF Product and Service Listings
These NSF Official Listings are current as of Sunday, November 2, 2025 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.
Alert: NSF is concerned about fraudulent downloading and manipulation of website text. Always confirm this information by clicking on the below link for the most accurate information: http://info.nsf.org/Certified/DWTU/Listings.asp?Standard=044&Company=C0020569&
Note: Certain claims, such as Arsenic (Pentavalent) Reduction, appear as active links, allowing you to access additional information regarding the specific contaminants.
NSF/ANSI 44
Cation Exchange Water Softeners
Cation Exchange Water Softeners
| Clack Corporation | |
| 4462 Duraform Lane | |
| Windsor, WI 53598-9716 | |
| United States | |
| 608-846-3010 |
Facility : # 1 China
|
COMPONENTS: Tanks, Water Softener[1] [2] [Pb] [POE] |
||||||
| 6x10, 2.5" Inlet | ||||||
| 6x12, 2.5" Inlet | ||||||
| 6x13, 2.5" Inlet | ||||||
| 6x17, 2.5" Inlet | ||||||
| 6x18, 2.5" Inlet | ||||||
| 6x29, 2.5" Inlet | ||||||
| 6x35, 2.5" Inlet | ||||||
| 7x13, 2.5" Inlet | ||||||
| 7x17, 2.5" Inlet | ||||||
| 7x19, 2.5" Inlet | ||||||
| 7x24, 2.5" Inlet | ||||||
| 7x30, 2.5" Inlet | ||||||
| 7x35, 2.5" Inlet | ||||||
| 7x40, 2.5" Inlet | ||||||
| 7x44, 2.5" Inlet | ||||||
| 8x13, 2.5" Inlet | ||||||
| 8x17, 2.5" Inlet | ||||||
| 8x18, 2.5" Inlet | ||||||
| 8x24, 2.5" Inlet | ||||||
| 8x30, 2.5" Inlet | ||||||
| 8x35, 2.5" Inlet | ||||||
| 8x40, 2.5" Inlet | ||||||
| 8x44, 2.5" Inlet | ||||||
| 8x47, 2.5" Inlet | ||||||
| 9x17, 2.5" Inlet | ||||||
| 9x17, 2.5" x 2.5" Inlet | ||||||
| 9x18, 2.5" Inlet | ||||||
| 9x18, 2.5" x 2.5" Inlet | ||||||
| 9x24, 2.5" Inlet | ||||||
| 9x24, 2.5" x 2.5" Inlet | ||||||
| 9x30, 2.5" Inlet | ||||||
| 9x30, 2.5" x 2.5" Inlet | ||||||
| 9x35, 2.5" Inlet | ||||||
| 9x35, 2.5" x 2.5" Inlet | ||||||
| 9x40, 2.5" Inlet | ||||||
| 9x40, 2.5" x 2.5" Inlet | ||||||
| 9x42, 2.5" Inlet | ||||||
| 9x42, 2.5" x 2.5" Inlet | ||||||
| 9x48, 2.5" Inlet | ||||||
| 9x48, 2.5" x 2.5" Inlet | ||||||
| 10x13, 2.5" Inlet | ||||||
| 10x13, 2.5" x 2.5" Inlet | ||||||
| 10x13, 4" Inlet | ||||||
| 10x13, 4" x 2.5" Inlet | ||||||
| 10x16, 2.5" Inlet | ||||||
| 10x16, 2.5" x 2.5" Inlet | ||||||
| 10x16, 4" Inlet | ||||||
| 10x16, 4" x 2.5" Inlet | ||||||
| 10x17, 2.5" Inlet | ||||||
| 10x17, 2.5" x 2.5" Inlet | ||||||
| 10x17, 4" Inlet | ||||||
| 10x17, 4" x 2.5" Inlet | ||||||
| 10x18, 2.5" Inlet | ||||||
| 10x18, 2.5" x 2.5" Inlet | ||||||
| 10x18, 4" Inlet | ||||||
| 10x18, 4" x 2.5" Inlet | ||||||
| 10x19, 2.5" Inlet | ||||||
| 10x19, 2.5" x 2.5" Inlet | ||||||
| 10x19, 4" Inlet | ||||||
| 10x19, 4" x 2.5" Inlet | ||||||
| 10x22, 2.5" Inlet | ||||||
| 10x22, 2.5" x 2.5" Inlet | ||||||
| 10x22, 4" Inlet | ||||||
| 10x22, 4" x 2.5" Inlet | ||||||
| 10x24, 2.5" Inlet | ||||||
| 10x24, 2.5" x 2.5" Inlet | ||||||
| 10x24, 4" Inlet | ||||||
| 10x24, 4" x 2.5" Inlet | ||||||
| 10x30, 2.5" Inlet | ||||||
| 10x30, 2.5" x 2.5" Inlet | ||||||
| 10x30, 4" Inlet | ||||||
| 10x30, 4" x 2.5" Inlet | ||||||
| 10x35, 2.5" Inlet | ||||||
| 10x35, 2.5" x 2.5" Inlet | ||||||
| 10x35, 4" Inlet | ||||||
| 10x35, 4" x 2.5" Inlet | ||||||
| 10x40, 2.5" Inlet | ||||||
| 10x40, 2.5" x 2.5" Inlet | ||||||
| 10x40, 4" Inlet | ||||||
| 10x40, 4" x 2.5" Inlet | ||||||
| 10x44, 2.5" Inlet | ||||||
| 10x44, 2.5" x 2.5" Inlet | ||||||
| 10x44, 4" Inlet | ||||||
| 10x44, 4" x 2.5" Inlet | ||||||
| 10x47, 2.5" Inlet | ||||||
| 10x47, 2.5" x 2.5" Inlet | ||||||
| 10x47, 4" Inlet | ||||||
| 10x47, 4" x 2.5" Inlet | ||||||
| 10x54, 2.5" Inlet | ||||||
| 10x54, 2.5" x 2.5" Inlet | ||||||
| 10x54, 4" Inlet | ||||||
| 10x54, 4" x 2.5" Inlet | ||||||
| 12x42, 2.5" Inlet | ||||||
| 12x42, 4.5" Inlet | ||||||
| 12x48, 2.5" Inlet | ||||||
| 12x48, 2.5" x 2.5" Inlet | ||||||
| 12x48, 4" Inlet | ||||||
| 12x48, 4" x 2.5" Inlet | ||||||
| 12x48, 4" x 4" Inlet | ||||||
| 12x52, 2.5" Inlet | ||||||
| 12x52, 2.5" x 2.5" Inlet | ||||||
| 12x52, 4" Inlet | ||||||
| 12x52, 4" x 2.5" Inlet | ||||||
| 12x52, 4" x 4" Inlet | ||||||
| 13x44, 2.5" Inlet | ||||||
| 13x44, 2.5" x 2.5" Inlet | ||||||
| 13x44, 4" Inlet | ||||||
| 13x44, 4" x 2.5" Inlet | ||||||
| 13x44, 4" x 4" Inlet | ||||||
| 13x54, 2.5" Inlet | ||||||
| 13x54, 2.5" x 2.5" Inlet | ||||||
| 13x54, 4" Inlet | ||||||
| 13x54, 4" x 2.5" Inlet | ||||||
| 13x54, 4" x 4" Inlet | ||||||
| 14x47, 2.5" Inlet | ||||||
| 14x47, 2.5" x 2.5" Inlet | ||||||
| 14x47, 4" Inlet | ||||||
| 14x47, 4" x 2.5" Inlet | ||||||
| 14x47, 4" x 4" Inlet | ||||||
| 14x52, 2.5" Inlet | ||||||
| 14x52, 2.5" x 2.5" Inlet | ||||||
| 14x52, 4" Inlet | ||||||
| 14x52, 4" x 2.5" Inlet | ||||||
| 14x52, 4" x 4" Inlet | ||||||
| 14x65, 2.5" Inlet | ||||||
| 14x65, 2.5" x 2.5" Inlet | ||||||
| 14x65, 4" Inlet | ||||||
| 14x65, 4" x 2.5" Inlet | ||||||
| 14x65, 4" x 4" Inlet | ||||||
| 16x28, 2.5" Inlet | ||||||
| 16x28, 2.5" x 2.5" Inlet | ||||||
| 16x28, 4" Inlet | ||||||
| 16x28, 4" x 2.5" Inlet | ||||||
| 16x28, 4" x 4" Inlet | ||||||
| 16x52, 2.5" Inlet | ||||||
| 16x52, 2.5" x 2.5" Inlet | ||||||
| 16x52, 4" Inlet | ||||||
| 16x52, 4" x 2.5" Inlet | ||||||
| 16x52, 4" x 4" Inlet | ||||||
| 16x65, 2.5" Inlet | ||||||
| 16x65, 2.5" x 2.5" Inlet | ||||||
| 16x65, 4" Inlet | ||||||
| 16x65, 4" x 2.5" Inlet | ||||||
| 16x65, 4" x 4" Inlet | ||||||
| 18x36, 4" Inlet | ||||||
| 18x36, 4" x 4" Inlet | ||||||
| 18x53, 4" Inlet | ||||||
| 18x53, 4" x 4" Inlet | ||||||
| 18x65, 4" Inlet | ||||||
| 18x65, 4" x 4" Inlet | ||||||
| 21x36, 4" Inlet | ||||||
| 21x36, 4" x 4" Inlet | ||||||
| 21x53, 4" Inlet | ||||||
| 21x53, 4" x 4" Inlet | ||||||
| 21x62, 4" Inlet | ||||||
| 21x62, 4" x 4" Inlet | ||||||
| 24x65, 4" Inlet | ||||||
| 24x65, 4" x 4" Inlet | ||||||
| 24x72, 4" Inlet | ||||||
| 24x72, 4" x 4" Inlet | ||||||
| 30x72, 4" Inlet | ||||||
| 30x72, 4" x 4" Inlet | ||||||
| 36x57, 4" Inlet | ||||||
| 36x57, 4" x 4" Inlet | ||||||
| 36x72, 4" Inlet | ||||||
| 36x72, 4" x 4" Inlet | ||||||
| 12x48, 4.5" Butress Inlet | ||||||
| 12x52, 4.5" Butress Inlet | ||||||
| 13x44, 4.5" Butress Inlet | ||||||
| 13x54, 4.5" Butress Inlet | ||||||
| 14x47, 4.5" Butress Inlet | ||||||
| 14x52, 4.5" Butress Inlet | ||||||
| 14x65, 4.5" Butress Inlet | ||||||
| 16x28, 4.5" Butress Inlet | ||||||
| 16x52, 4.5" Butress Inlet | ||||||
| 16x65, 4.5" Butress Inlet | ||||||
| 10x35, 2.5" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 10x35, 4" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 10x40, 2.5" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 10x40, 4" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 10x44, 2.5" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 10x44, 4" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 10x47, 2.5" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 10x47, 4" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 10x54, 2.5" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 10x54, 4" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 12x48, 2.5" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 12x48, 4" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 12x52, 2.5" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 12x52, 4" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 13x44, 2.5" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 13x44, 4" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 13x54, 2.5" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 13x54, 4" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 14x47, 2.5" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 14x47, 4" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 14x52, 2.5" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 14x52, 4" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 14x65, 2.5" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 14x65, 4" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 16x28, 2.5" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 16x28, 4" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 16x52, 2.5" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 16x52, 4" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 16x65, 2.5" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 16x65, 4" x 2.5" Inlet 1.25" Dome Hole | ||||||
| 18x65, 6" Flange | ||||||
| 18x65, 6" x 6" Flange | ||||||
| 21x62, 6" Flange | ||||||
| 21x62, 6" x 6" Flange | ||||||
| 24x65, 6" Flange | ||||||
| 24x65, 6" x 6" Flange | ||||||
| 24x72, 6" Flange | ||||||
| 24x72, 6" x 6" Flange | ||||||
| 30x72, 6" Flange | ||||||
| 30x72, 6" x 6" Flange | ||||||
| 36x57, 6" Flange | ||||||
| 36x57, 6" x 6" Flange | ||||||
| 36x72, 6" Flange | ||||||
| 36x72, 6" x 6" Flange | ||||||
| 42x72, 6" x 6" Flange | ||||||
| 48x72, 6" x 6" Flange | ||||||
| 63x67, 6" x 10" Flange | ||||||
| 63x67, 6" x 6" Flange | ||||||
| 63x86, 6" x 10" Flange | ||||||
| 63x86, 6" x 6" Flange | ||||||
|
  [1] Conforms to material and structural integrity requirements.
[2] The "x" in the trade name may be omitted.
[Pb] Product also evaluated and determined to possess weighted average lead content of
<=0.25% and complies with lead content requirements for “lead free” plumbing as defined
by California, Vermont, Maryland, and Louisiana state laws and the U.S. Safe Drinking
Water Act.
[POE] Product conforms to NSF/ANSI/CAN 61 health effects requirements.
|
||||||
Number of matching Manufacturers is 1
Number of matching Products is 226
Processing time was 0 seconds

