rmaday
March 5, 2008, 4:47pm
33
jpope:
Actually, no. In most cases, the manufacturers requirements override local code. The common exception is when those requirements are in direct contradiction to local codes.
In other words, if there is any ambiguity, you follow the manufacturers requirements.
For example, California’s requirement is very clear;
CPC 807.4 No domestic dishwashing machine shall be directly connected to a drainage system or food waste disposer without the use of an approved dishwasher airgap fitting on the discharge side of the dishwashing machine. Listed airgaps shall be installed with the flood level (FL) marking at or above the flood level of the sink or drainboard, whichever is higher.
Thanks for the clarification.
I did notice in reading some dishwasher install instructions on line that for this particular question the manufacturer gives you an either / or option and defers to local codes.