Diswashers in apartments

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We have a Maytag diswasher (full size portable) that we have used in our apartment building (built approx. 20 years ago). This is an upscale building with (otherwise) good services etc. We have used this dishwasher for approximately 10 years in the same suite. The diswasher is connected to the (single mixed faucet) via a quick connect fitting and hot water alone is used when running. The dishwasher is never left running unattended.

We have been recently advised by the building management that we must cease using and remove the dishwasher.

Their reason is quoted below:

"there is a major problem with the mixing of hot and cold water in the suites around you. This poses a serious safety concern and is a direct result of appliances of this nature, as the plumbing fixtures cannot accomodate it. Drain debris and suds have also been dominant in resident kitchens and bathrooms."

While not a plumber, I have a lot of trouble with this concept. When connected, faucet turned on, (provided that the hoses are in good condition and do not leak) I see no difference in the effect on plubming beyond normal "faucet off" pressure in the pipes.
As for the discharge, the volume of water is not significantly greater than a sink full of dishwater, there is little if any sudsing action and as the diswasher is equiped with a macerator, there is no solid debris.

Can anyone shed any light on what the problem is?

 
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dont know for sure, but as you are in America?
The concern is that you have your dishwasher connected to a SINGLE faucet (tap to us brits) if there is (and there probably will be) a difference in water pressure between the hot and cold seeing as they are coming through the same faucet one (cold for example) will force its way back down the hot pipe and when someone in your block turns on the hot tap all they get is cold water because of you.
theopposite is also true if the cold water is the weaker in pressure of the two

It may also send any water bourne "bugs" into the system as you have your current set up

Over here we have to have non- return valves fitted to prevent this from occuring (its law for external taps, or at least you are supposed to.)
 

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