Suburban SF-FQ Series Furnace - 2591A
Designed, built and backed by one of the most trusted names in the RV Industry, the Suburban line of powerful furnaces provide superior, dependable heating in uniform cabinet sizes for installation flexibility. Warm up to an inviting coach interior with quiet, low noise, dependable heating solutions.
Provide Maximum Heating Performance In A Ducted Unit For Increased Design Flexibility In Mid-Size And Large RVs
Can Be Easily Installed In Areas That Might Otherwise Be Left Unused
Designed For Interior Serviceability
Easy To Install
Specifications
| Type |
LP Gas |
| BTU Level / Output |
40,000 BTU |
| Discharge Type |
Direct |
| Ignition Type |
Direct Spark Ignition |
| Height |
7.5 inches |
| With Vent Assembly |
No |
| With Access Door |
No |
What our Experts Think
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Balanced & Dependable Heat: Produces 30,000 BTU of propane‑powered, ducted heat — ideal for small to mid‑size RVs, campers, and trailers needing consistent warmth.
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Compact, Low‑Profile Design: Saves space in tight furnace openings without sacrificing performance.
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Flexible Installation: Multiple discharge options (top, side, bottom) support varied duct configurations to match different RV layouts.
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Reliable Ignition: Direct spark ignition eliminates pilot lights, providing quicker starts and dependable operation.
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Efficient Sealed Combustion: Sealed forced‑draft system boosts heating efficiency and minimizes heat loss.
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Built for RV Life: Durable construction withstands vibration and frequent use, making it a practical choice for travel heating.
Q&A
Q: What is the Suburban SF‑FQ Series Furnace – 2591A?
A: A propane RV furnace designed to deliver dependable, consistent heat for motorhomes and travel trailers.
Q: What fuel does this furnace use?
A: It operates on LP (propane) gas.
Q: Is the 2591A suitable for RV heating?
A: Yes — engineered specifically for recreational vehicle HVAC systems.
Q: How does this furnace perform?
A: Provides steady, reliable heat output to keep your RV warm in cold weather.
Q: Is it energy efficient?
A: Yes — built for efficient propane consumption to help conserve fuel.
Q: Is installation straightforward?
A: Yes — fits standard RV furnace openings for easy replacement or upgrade.
Q: Is this furnace safe?
A: Yes — includes built‑in safety features for secure, dependable operation.
Maintenance Tips
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Vent & Intake Clearance: Keep intake and exhaust vents clear of snow, leaves, nests, and debris to ensure proper airflow.
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Air Filter Care: Replace or clean the air filter monthly during heavy use to maintain efficiency and airflow.
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Interior Cleaning: With power off, gently vacuum dust from the blower, burners, and furnace interior.
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Gas Line Inspection: Annually check gas lines and connections for leaks using an approved leak‑detection solution.
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Flame Check: Confirm a steady blue flame at ignition; yellow or unstable flames may indicate combustion issues.
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Control & Safety Tests: Test thermostat accuracy and all safety shut‑offs before the heating season.
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Annual Professional Tune‑Up: Schedule a yearly professional service to inspect the heat exchanger and optimize performance.
Damage 
Loss 
Theft 
