A:Answer Hi Tt, here is the link to the Dimension Guide for model WRF535SWHV https://bit.ly/3k9zPYu
You will need to allow extra for the space needed for gaps on the back and sides of the unit. You may also find the location requirements located on page 4 of the Use and Care Guide linked here, along with the installation instructions, which should help. https://bit.ly/3shHV1r