We did isulate the pump from the floor on our 06 but I thought the we noted rubber feet on the pumps on the last factory tour?? IMO it is not so much the pump as lines banging against the floor and walls and perhaps the pump not being insulated from the floor. We did insulate as best we could and the pump noise is no worse,IMO, as on other campers we have owned. Maybe we were just lucky...
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