NSF Product and Service Listings
These NSF Official Listings are current as of Tuesday, November 4, 2025 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/CAN 61
Drinking Water System Components - Health Effects
Drinking Water System Components - Health Effects
NOTE: Unless otherwise indicated for Materials, Certification is only for the Water Contact Material shown in the Listing. Click here for a list of Abbreviations used in these Listings. Click here for the definitions of Water Contact Temperatures denoted in these Listings. Products certified to NSF/ANSI/CAN 61 comply with the health effects criteria in NSF/ANSI/CAN 600.
| Greene Tweed & Co. LLC | |
| 1684 South Broad Street | |
| Lansdale, PA 19446 | |
| United States | |
| 800-220-4733 | |
| 215-256-9521 | |
| Visit this company's website | 
Facility : # 1 USA
Pipes and Related Products
| Water | Water | |||
| Contact | Contact | |||
| Trade Designation | Size | Temp | Material | |
| 
				 Appurtenances[G]  | 
			||||
| AR-HT | >= 1" | C. HOT | TPE | |
	
		 [G] Product is Certified to NSF/ANSI/CAN 372 and conforms with the 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.
     | 
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