Minnesota Administrative Rules

4715.2230 TANKLESS AND INSTANTANEOUS TYPE HEATERS.

Tankless and instantaneous type water heaters require pressure relief valves only. Instantaneous electric water heaters that have Underwriters Laboratory approval for use without a relief valve, and that have space containing the heating element of less than three inches in diameter, may be installed without a pressure relief valve.

Statutory Authority:

MS s 16B.61; 326.37 to 326.45; 326B.106; 326B.43 to 326B.49

History:

15 SR 76; L 2007 c 140 art 4 s 61; art 6 s 15; art 13 s 4

Published Electronically:

May 14, 2012