Versatile, low profile furnaces offer maximum ducted heating for mid-size and large RVs. At only 7-1/2 in. high, they can be easily installed in areas that might otherwise be left unused. Features identical cabinet dimensions for installation flexibility, quiet, multi-ported stainless steel burners, top or side rear gas and electrical connections, sealed forced-draft combustion, automatic direct spark ignition, low amp draw and optional exterior access door for installation and service access. Unit size: 7- 1/2 in.H x 17 in.W x 20 in.D. 1/box.