Hi Steph,
Yes, you can use this in apartment and connect the inlet to the sink to get the water supply.
The drain hose is already included with the washer. However, you can purchase the filler hose from your local store.
Should you need support in the future, please don’t hesitate to reach out to us through the channels below.
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
When you message us, provide us with this reference number (1146602015), and it will help our team pull up your information.
^Rodel