@Marina Lehane Look at the installation instructions for your model. They can be found on the Viking website. It looks like you need at least an 8 inch backguard to have zero clearance to combustible back wall.
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Reply to: @Marina Lehane Look at the installation instructions for your model. They can be found on the Viking website. It looks like you need at least an 8 inch backguard to have zero clearance to combustible back wall.