Title: Unlicensed Individual -Water Conditioning Installer
Description: Anyone performing water conditioning work in Minnesota must be licensed by the Minnesota Department of Labor and Industry (DLI) or be a registered unlicensed plumber or water conditioning installer.
Creation Date: 8/24/2017 12:58:04 PM
Modification Date: 12/16/2019 5:10:00 PM
Agency Name: Labor and Industry (DLI), Minnesota Department of
Agency URL: http://www.dli.mn.gov
Agency Description: The Minnesota Department of Labor and Industry (DLI) oversees the state's apprenticeship, construction codes and licensing, occupational safety and health, wage and hour standards and workers' compensation programs and the Office of Combative Sports (OCS).
Agency Phone: 651-284-5005
Agency Fax: Agency URL: http://www.dli.mn.gov
443 Lafayette Road N.
Division Name: Construction Codes and Licensing Division (CCLD)
Division Phone: Division Fax: Division URL:
Unit Name: Licensing and Certification Services
Unit Phone: 651-284-5031
Unit Fax: 651-284-5743
Contact person(s): DLI.License@state.mn.us
Application URL: https://secure.doli.state.mn.us/license/Default.aspx
Renewal URL: https://secure.doli.state.mn.us/license/Default.aspx
Anyone performing water conditioning work in Minnesota must be licensed by our agency or be a registered unlicensed plumber or water conditioning installer.
A registered unlicensed water conditioning installer can take the journeyworker water conditioning license exam after completing 875 hours of practical water conditioning installing, servicing or training experience as a registered unlicensed water conditioning installer employed by a licensed plumbing contractor or water conditioning contractor. An individual may receive credit for up to 100 hours of work experience gained prior to becoming registered as long as the work experience occurred within 12 months of the individual becoming registered.
All water conditioning work performed by an unlicensed water conditioning installer must be performed under the direct on-site supervision of a licensed journey worker, master plumber, restricted journey worker, restricted master plumber, licensed journey worker or master water conditioning worker.
Registered Unlicensed Water Conditioner (RW)
Initial registration - $14
$5 late fee is assessed on all late registrations.
Period of Issuance:
Registrations expire June 30 and must be renewed annually.
Length of Determination:
Activity: High Pressure Pipefitter
High Pressure Piping
License Detail URL:
Plumbing and Mechanical Contractors