Hello Lisa,
Thank you for asking. Let's get the details you need.
If you mean the drain hose, yes, this washer and dryer combo can be installed on the sink, provided that the standpipe, tub, or sink. For more details, please refer to pages 29-30 of the manual link below.
User manual
https://downloadcenter.samsung.com/content/UM/202504/20250428152618573/OID74251_IB_T-PJT_WD8000D_7LCD_EN_250428.pdf
However, if you mean something else regarding the installation up to the kitchen sink, and to ensure we provide a precise answer, please feel free to get back to us via the following options:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.commuity.samsung.com/t5/Samsung-Community/ct-p/us
4. Samsung Customer Care: 1-800-7267864 (1800-SAMSUNG)
Please provide us with this reference number (1150754544) when you message us so our team can retrieve your information.
Thank you.
-Kimberly