NSF Product and Service Listings

These NSF Official Listings are current as of Tuesday, December 23, 2025 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

Alert: NSF is concerned about fraudulent downloading and manipulation of website text. Always confirm this information by clicking on the below link for the most accurate information: http://info.nsf.org/Certified/Lead_Content/Listings.asp?Standard=372%2DADD&Company=C0031862&


NSF/ANSI/CAN 372
Drinking Water System Components - Lead Content



Fluid Handling, LLC, a sub. of Xylem, Inc. dba Bell & Gossett, Standard Xchange 
175 Standard Parkway
Cheektowaga, NY 14227 
United States 
800-447-7700 
Visit this company's website

Facility : Cheektowaga, NY


Heat Exchangers[1] [LL]
   B300S[2]
   B300W[2]
   B320S[2]
   B320W[2]
   Bell & Gossett BPX (BP400-X)[3] [4] [5]
   Bell & Gossett BPX (BP405-X)[3] [4] [5]
   Bell & Gossett BPX (BP410-X)[3] [4] [5]
   Bell & Gossett BPX (BP411-X)[3] [4] [5]
   Bell & Gossett BPX (BP412-X)[3] [4] [5]
   Bell & Gossett BPX (BP415-X)[3] [4] [5]
   Bell & Gossett BPX (BP422-X)[3] [4] [5]
   Bell & Gossett BPX (BP423-X)[3] [4] [5]
   Bell & Gossett BPX (BP424-X)[3] [4] [5]
   Bell & Gossett BPX (BPDW410-X)[3] [4] [5]
   Bell & Gossett BPX (BPDW415-X)[3] [4] [5]
   Bell & Gossett BPX (BPDW422-X)[3] [4] [5]
   DB300S[2]
   DB300W[2]
   DB320S[2]
   DB320W[2]
   DHTB300W[2]
   DHTWU[2]
   DSU[2]
   DTCS[2]
   DTCW[2]
   DWU[2]
   HTB300W[2]
   HTWU[2]
   PXXX Plate and Frame Heat Exchanger[6]
   SU[2]
   SUS[2]
   SX2000U-S[2]
   SX2000U-W[2]
   Standard Xchange Brazepak (BP400-X)[3] [4] [5]
   Standard Xchange Brazepak (BP405-X)[3] [4] [5]
   Standard Xchange Brazepak (BP410-X)[3] [4] [5]
   Standard Xchange Brazepak (BP411-X)[3] [4] [5]
   Standard Xchange Brazepak (BP412-X)[3] [4] [5]
   Standard Xchange Brazepak (BP415-X)[3] [4] [5]
   Standard Xchange Brazepak (BP422-X)[3] [4] [5]
   Standard Xchange Brazepak (BP423-X)[3] [4] [5]
   Standard Xchange Brazepak (BP424-X)[3] [4] [5]
   Standard Xchange Brazepak (BPDW410-X)[3] [4] [5]
   Standard Xchange Brazepak (BPDW415-X)[3] [4] [5]
   Standard Xchange Brazepak (BPDW422-X)[3] [4] [5]
   TCS[2]
   TCW[2]
   TS[2]
   WU[2]
   WUS[2]

[1] Only products bearing the NSF Mark on the product, product packaging, and/or
    documentation shipped with the product are Certified.
[2] 4" - 30"
[3] 3/4" - 2"
[4] The size refers to the fitting connection size.
[5] The 'X' in the model number refers to the number of plates and may be any number from 3
    - 200.
[6] XXX (P Series model #) - 4, 7, 8, 14, 17, 19, 20, 21, 22, 31, 37, 41, 42, 43, 47, 62,
    64, 65, 81, 86, 100, 110, 113, 121, 130, 145, 152, 188, 201, 210, 220, 251, 315, 352.
[LL] Product conforms with 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.

Number of matching Manufacturers is 1
Number of matching Products is 50
Processing time was 0 seconds