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    Subdivision 1. Water conditioning installation. "Water conditioning installation" means
the installation of appliances, appurtenances, and fixtures designed to treat water so as to alter,
modify, add or remove mineral, chemical or bacterial content, said installation to be made in
a water distribution system serving a single family residential unit, which has been initially
established by a licensed plumber, and does not involve a direct connection without an air gap to
a soil or waste pipe.
    Subd. 2. Water conditioning servicing. "Water conditioning servicing" means the servicing
(including servicing prior to installation) of a water conditioning installation.
    Subd. 3. Rules. In order to provide effective protection of the public health, the commissioner
may by rule prescribe limitations on the nature of alteration to, extension of, or connection with,
the said water distribution system initially established by a licensed plumber which may be
performed by a person licensed hereunder, and may by rule in appropriate instances require filing
of plans, blueprints and specifications prior to commencement of installation. The installation
of water heaters shall not constitute water conditioning installation and consequently such work
shall be accomplished in accordance with the provisions of sections 326.361 to 326.44.
    Subd. 4. Single family residential unit. "Single family residential unit" means a building or
portion thereof which is arranged, designed, used or intended to be used for residential occupancy
by one family, but not including a motel, hotel or rooming house.
History: 1969 c 898 s 5; 1977 c 305 s 45; 1985 c 248 s 70; 1989 c 209 art 2 s 1; 2007 c
140 art 7 s 6-9

Official Publication of the State of Minnesota
Revisor of Statutes