NSF Product and Service Listings

These NSF Official Listings are current as of Tuesday, February 07, 2023 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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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.

Dwyer Instruments, Inc. 
102 Indiana Highway 212
Michigan City, IN 46360 
United States 
Visit this company's website

Facility : Kingsbury, IN

Mechanical Devices

    Water Water
    Contact Contact
Trade Designation Size Temp Material

196774-00 NA CLD 23 MLTPL
196774-10 NA CLD 23 MLTPL
196774-20 NA CLD 23 MLTPL
196774-25 N/A CLD 23 MLTPL
196774-30 NA CLD 23 MLTPL
196774-35 N/A CLD 23 MLTPL
196774-40 NA CLD 23 MLTPL
196774-45 N/A CLD 23 MLTPL
196774-50 NA CLD 23 MLTPL
196774-55 N/A CLD 23 MLTPL
196774-70 N/A CLD 23 MLTPL
196774-80 N/A CLD 23 MLTPL
62x-a-b-c-d-e-NW[1] NA CLD 23 MLTPL

[1] 62 Product Series 
    x  - Sensor Accuracy: 6, 7, or 8 
    a  - Sensor Range and Units: 00-99 
    b  - Housing Type: CH, CB, or GH 
    c  - Fitting Thread Form: P1 - P10 
    d  - Electrical Cable and Connection: E1 - E9 
    e  - Electrical Output: S1 - S9 
    NW - indicates NSF Certification

Facility : Michigan City, IN

Mechanical Devices

    Water Water
    Contact Contact
Trade Designation Size Temp Material

IEF-XY-Z-OPT[1] 1" x 15" CLD 23 MLTPL

[1] This sensor will be used in pipe sizes of 4 inches in diameter and larger.
    X   - Accuracy rating (Any letter A-Z)
    Y   - Process connection (Any letter A-Z)
    Z   - Electrical connection (Any alphanumeric sequence)
    OPT - Options (Any alphanumeric sequence – pertains to non-wetted components that do not
          impact Certification (i.e. electrical connections, pressure ranges, display, 
          communication protocol) 
    NW  - NSF Certified
    NSF Certified models do not include brass valve, fitting, or pipe.

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Number of matching Products is 14
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