Minnesota Administrative Rules

4715.5300 EQUIPMENT DRAIN.

The equipment drain line shall drain into the existing receptor such as a floor drain or laundry tub. No drain or overflow line leading from the equipment shall be directly connected to any receptor. Between the delivery end of the drain or overflow line and the receptor, there must be an air gap which is at least two times the diameter of the drain or overflow line, but in no case shall the air gap be less than 1.5 inches. This air gap distance shall apply above the flood level rim of the receiving fixture to provide the required air gap. If flexible drain line is used, it must be secured in some manner to prevent its being accidentally moved.

Statutory Authority:

MS s 326.60; 326B.55

History:

L 2007 c 140 art 7 s 13; art 13 s 4

Published Electronically:

May 14, 2012