wrote in message
The reason they have to have both sides even is because they have 3
spray arms. The 3rd one is on the bottom of the upper tray and it has
a water supply pipe that fits into a receptacle in the back of the
dishwasher. If you don't have 3 arms, then that problem doesn't
exist.
The KA has an arm under the rack. They maage to do it.
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