[. . . ] Top-Loading Washer PRODUCT MODEL NUMBERS WTW4900X, WTW5500X, WTW5550X, WTW5600X, WTW5640X, WTW5700X, WTW4800X, WTW4950X, WTW4850X, WTW4930X Electrical: A 120 volt, 60 Hz. , AC only, 15- or 20-amp, fused electrical supply is required. [. . . ] Floor drain system 1" (25 mm) 1" (25 mm) 3" (76 mm) Dimensions show recommended spacing allowed, except for closet door ventilation openings which are minimum required. This washer has been tested for installation with spacing of 0" (0 mm) clearance on the sides. Consider allowing more space for ease of installation and servicing, and spacing for companion appliances and clearances for walls, doors, and floor moldings. Add spacing of 1" (25 mm) on all sides of washer to reduce noise transfer. If a closet door or louvered door is installed, top and bottom air openings in door are required. Laundry tub drain system Floor drain system requires additional parts. Minimum siphon break: 28" (710 mm) from bottom of washer. Minimum capacity: 20 gal. [. . . ] For complete details, see Installation Instructions packed with product. [. . . ]