NSF Product and Service Listings
These NSF Official Listings are current as of Friday, January 30, 2026 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.
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NSF/ANSI 358
Water-Based Ground-Source “Geothermal” Heat Pump Systems
Water-Based Ground-Source “Geothermal” Heat Pump Systems
| Dow Chemical Company (The) | |
| Regulatory Compliance | |
| 1803 Building | |
| Midland, MI 48674 | |
| United States | |
| 979-238-5209 | |
| Visit this company's website |
Facility : Hahnville, LA
NSF/ANSI 358-1 Polyethylene Pipe and Fittings
| Product Type | Material Type | Trade Name | Product Standard | |||
Material |
PE 4710 |
Continuum™ DGDA-2490 Black |
ASTM D3350 445574C |
|||
Material |
PE 4710 |
Continuum™ DGDA-2490 BL |
ASTM D3350 445574E |
|||
Material |
PE 4710 |
Continuum™ DGDC-2480 Black |
ASTM D3350 445574C |
Facility : North Seadrift, TX
NSF/ANSI 358-1 Polyethylene Pipe and Fittings
| Product Type | Material Type | Trade Name | Product Standard | |||
Material |
PE 3608 |
CONTINUUM™ DGDB-2480 Black |
ASTM D3350 345464C |
Number of matching Manufacturers is 1
Number of matching Products is 4
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