Good to know you are interested in the installation clearance of the fridge, Val. Let us go ahead and get you the details.
Please allows a 2-inch clearance between the wall and the back of the fridge.
Please see more details in the link below.
Installation clearances on page 2
https://image-us.samsung.com/SamsungUS/home/home-appliances/refrigerators/3-door-french-door/pdp/rf28t5f01/WillitFit_RF28T5F01.pdf
Should you need more assistance, 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.community.Samsung.com/t5/Samsung-Community/ct-p/us
Please provide us with this reference number (1145492202) to help our team pull up your information when you message us.
Have a great day.
^Charles