Suburban SF30F SF-30F Ducted Furnace, 30,000 BTUs

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Manufacturer's Number: 2391A 2518A 2558A SF30FQ SF30FQT
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Versatile, low profile furnaces offer maximum ducted heating for mid-size and large RVs. Designed for interior serviceability with a front (inside) gas connection and a small vent terminal on the coach exterior, these furnaces can be installed up to 9" from the wall. Since no exterior access door is required, the SF-F is aesthetically appealing and a more economical installation choice. Features identical cabinet dimensions for installation flexibility, quiet, multi-ported stainless steel burners, sealed forced-draft combustion, automatic direct spark ignition, and low amp draw. Cut-out size: 7-1/2" H x 17" W x 20" D. 1 per box.
WARNING: This product may contain one or more chemicals known in the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, visit

Product Questions & Answers:

  1. How do I get this out of the built-in area with all of this duct work? It is in a sunrise by cobra 1995 model 24 foot. By Blair
    • Answer: If your unit has an access door on the outside of the trailer, it would be removed from the exterior. Otherwise, it would be removed from the inside. In either case, you need to remove all the ducts from the case as well as the wiring and LP connection.