The washer and dryer are stackable. GE Appliances also sells an optional pedestal (currently outside of stock) and riser for each machine.
Washing system: Impeller
Sen your outdated system back during the supplied https://sashapifj170326.ageeksblog.com/28529518/the-smart-trick-of-built-in-dishwasher-that-no-one-is-discussing