20,000 BTU Used Suburban RV Propane Furnace - SF-20

Overview & Function

This pre-owned Suburban SF-20 is a propane RV furnace rated at 20K BTU for forced-air heating. The 17.1x7.5x20-inch cabinet integrates burner and blower systems for ducted interior warmth. It is described as tested in great working condition, with used status disclosed prominently for accurate buyer expectations. ### Fitment & Compatibility Fitment centers on RV installations configured for the SF-20 footprint, propane supply, ducting, and controls. The weak 000 token should not be used for identification; SF-20 defines compatibility. Exact Part Supply lists dimensions and model together to support careful replacement matching. ### Technical Construction & Specifications Confirmed details are Suburban brand, SF-20 model, 20K BTU propane output, dimensions 17.1x7.5x20 inches, used pre-owned condition, and tested great working description. No additional amperage, duct counts, or weight details are stated beyond these facts. The offering is the furnace assembly. ### Installation & Maintenance Guidelines Furnace and propane connections must be installed by qualified personnel with leak testing and combustion safety verification. Maintain clear vents and return-air paths and inspect duct joints seasonally. Service should include burner and blower cleaning, safety checks, and carbon monoxide detector confirmation in the living area.