NSF Product and Service Listings

[1] Certified to the maximum length per residence listed under size. Pipe nipples are
    available in various lengths up to 72". However, the total length used within a single
    residence is restricted to lengths listed below. When multiple sizes are used in
    combination, the most restrictive length restriction applies. When used in the
    distribution system as a component of a mechanical device, no restriction applies.
    
    Size    Length 
    1/8"    17.7 ft
    1/4"    12.3 ft
    3/8"    8.6 ft
    1/2"    6.7 ft
    3/4"    4.9 ft
    1"      3.8 ft
    1 1/4"  2.8 ft
    1 1/2"  2.4 ft
    2"      no restriction
    
    Nipples may have external tapered threaded ends, external straight threaded ends, roller
    cut ends, ream and chamfered ends, square cut ends, or grooved ends. Threads may be
    NPSM, NPSL, NPSH, NPTF or BSPT.
    
    Use of this material may not be appropriate in all water chemistries.  Products
    containing brass/bronze materials may require corrosion control to limit the leaching of
    copper into drinking water under certain water chemistries.  Refer to Informative Annex
    I-6.1 of NSF/ANSI/CAN 61 for the water quality considerations to be used before
    installing this product.
[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.