WEBExplore our dishwasher sales for current deals on savings on Whirlpool ® dishwashers and get tips on installing dishwashers, or learn about options like tall tub dishwashers at our blog. 1. Models WDTA80SAK, WDT750SAK, WDTA50SAK based on total usable volume. Compared to 3rd rack models WDTA75SAH, WDT970SAH, WDT975SAH.