Used Whirlpool Duet washing machines are offered through online classified ads, used appliance centers, furniture rental stores and social media sales sites. Washing machine conditions may range from gently used to options that are for parts only.
Whirlpool lists several styles of the Duet washing machine, including the 2014 Duet pair model. Listings for used duet washing machines typically show the capacity of the model along with the year the appliance was manufactured. Washing machine capacity for the Duet series is 4.2 cubic feet, while the a dryer in the series is 7.3 cubic feet. Power choices for the Duet series include machines that use both gas and electricity.