A hood style dishwasher having a tank and upstanding manifolds united thereto, whereby the tank can be easily secured in place relative to a countertop or the like and rinse or wash water connections made with the manifolds and whereby telescoping curved hoods pivoted together on bearings in turn can be supported on the upstanding manifolds without additional fabrication of the countertop other than for mounting the tank itself. In restaurants, hospitals, or like institutions it is common to hav...