Minnesota Administrative Rules

4626.0645 4-204.117 WAREWASHING MACHINES; FLOW PRESSURE DEVICE.

A.

Warewashing machines that provide a fresh hot water sanitizing rinse shall be equipped with a pressure gauge, transducer, or similar device that measures and displays the water pressure in the supply line immediately before entering the warewashing machine.

B.

If the flow pressure measuring device is upstream of the fresh hot water sanitizing rinse control valve, the device shall be mounted in a 6.4 millimeter (one-fourth inch) iron pipe size (IPS) valve.

C.

Items A and B do not apply to a machine that uses only a pumped or recirculated sanitizing rinse.

Statutory Authority:

MS s 31.101; 31.11; 144.05; 144.08; 144.12; 157.011

History:

23 SR 519

Published Electronically:

October 11, 2007