It's designed to be cleaned in the dishwasher?
Your kitchen sink should already be vented if there is a p-trap draining to the wall. if it is an s-trap it is not vented and not to present code requirements. The dishwasher drain goes into the side of the disposal and the disposal should drain to the trap. A separate vent is not required for the disposal or dishwasher as the trap for the sink is what requires a vent.
A Dishwasher
dishwasher
If they have become damaged because of the water and their installation was faulty (they are the cause of the flood) then it would be reasonable to expect them to replace the the rugs. If they will not do so check on your house insurance cover and if this covers flood damage claim on that and explain what has happened. It will then become an argument between your insurance company and 'Lowe's.
yes they come with a dishwasher and they are safe
dishwasher
Normally you will install a dishwasher drain pipe above your kitchen sink drain, so you are using the sinks P-Trap. When installed in this fashion, no you don't require a seperate. If you want to install your drain elsewhere, than yes you need a trap otherwise you will have sewer gases backing up through your dishwasher and into your kitfchen
dishwasher
Dishwasher Dish Detergent
A dishwasher
The past participle of "clean" is "cleaned." For example: "I have cleaned the kitchen."