The Suburban SF-20FQ Furnace provides maximum heating performance in a ducted unit with a 20,000 BTU/h capacity. Yet at only 7.5″ high, it can be easily installed in areas that might otherwise be left unused. With nine duct connection choices (top, front, side, and bottom), the SF-20FQ offers almost unlimited design flexibility in mid-size and large RVs.
The SF-20FQ Model is designed for interior serviceability with a front (inside) gas connection and only a small vent terminal on the coach exterior, permitting installation up to 9″ from the wall. Since no exterior access door is required, the SF-20FQ is aesthetically appealing and a more economical installation choice. For design flexibility, all SF-FQ Models have identical cabinet dimensions and feature quiet, multi-ported stainless steel burners, sealed forced-draft combustion, automatic direct spark ignition, and low amp draw.
• Model: SF-20FQ
• BTU/h Input: 20,000
• Dimensions: 7.5″H x 17″W x 20″D
• Voltage: 12V DC
• Amp Draw: 7.0
• Weight: 29 lbs.
• Duct Outlet: 4″ round sides/bottom; 4″ x 14″ bottom
Before You Order
Before ordering, compare part number 2551A, btu 20,000, voltage 12.00 V with the existing rv furnace and installation requirements.
Frequently Asked Questions
What does the source list for btu?
The source lists btu as 20,000 for this product.
What does the source list for voltage?
The source lists voltage as 12.00 V for this product.




