The optional heat shield creates an extra level of insulation against a wall or surface for both the 420 & 520 cookstoves. Depending on your building codes, you can place the stove 12 inches away from a non-combustible wall surface rather than the standard 18 inches. This is a great option if you are trying to conserve space! If you are adding the rear-mounted water reservoir to your stove, consider installing your stove further than 12 inches for easier access.
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