NSF Product and Service Listings
These NSF Official Listings are current as of Thursday, January 15, 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
| Chevron Phillips Chemical Company, LP | |
| 9500 Lakeside Blvd. | |
| The Woodlands, TX 77381 | |
| United States | |
| 832-813-4100 | |
| Visit this company's website |
Facility : Sweeny, TX
NSF/ANSI 358-1 Polyethylene Pipe and Fittings
| Product Type | Material Type | Trade Name | Product Standard | |||
Material |
PE 4710 |
Marlex® TRB-432 BK |
ASTM D3350 445574C |
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