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



 
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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