Re: Does Dishwasher need a Johnson Tee
Posted by Carl on May 18, 2003 at 22:56:10:
In response to Re: Does Dishwasher need a Johnson Tee
Issaquah, WA...about 15 miles east of Seattle. Here's the cite to section 807.4 Uniform Plumbing Code. "No domesic
dishwashing machine shall be directly connected to a drainage system or food
waste disposer without the use of an approved dishwashing air gap fitting on
the discharge side of the dishwashing machine. Listed airgaps shall be
installed with the flood level marking at or above the flood level of the
sink or drainboard, which ever is higher".

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