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Wall Protection (Cont'd)
In some areas local codes may require thirty-six inches (36") from a combustible, therefore
it is especially important that you check with local officials. If you need to place your unit
closer to a combustible wall, some protection will be necessary. If an approved wall board is
used this will reduce your clearance by two thirds (2/3); however, a one-inch (1") air space
has to be between the board and the wall. If you have a ceiling flue hook-up, you will need
protection from the floor to the ceiling if you do not meet the normal clearances. If you
have a wall flue hook up, you will need wall protection at least twelve inches (12") above
the wall thimble
Examples of wall protection with 1" Air gap
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