Minnesota Legislature
Office of the Revisor of Statutes
Minnesota Administrative Rules
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4715.2215 THERMAL EXPANSION CONTROL.
A device for controlling thermal expansion shall be installed on the water distribution system when thermal expansion within the system, in combination with a check valve or backflow preventer, causes the water pressure to exceed the pressure setting of the pressure relief valve on the water heater.
History:
19 SR 590; L 2007 c 140 art 4 s 61; art 6 s 15; art 13 s 4
Published Electronically:
May 14, 2012
Official Publication of the State of Minnesota
Revisor of Statutes