Description
40,000 BTU RV furnace, Suburban SF-42VHFQ propane RV furnace, low profile ducted RV heater — the Suburban SF-42VHFQ is a brand-new high-output LP gas RV furnace designed to deliver dependable heating performance for mid-size and large RVs, fifth wheels, and mobile living applications.
This model is part of Suburban’s low-profile furnace platform and combines direct spark ignition, low amp draw, and a compact housing that is only 7-1/2 inches high, making it ideal for installations where space is limited but high heating capacity is required.
Manufacturer Part Number (MPN): SF-42VHFQ
Product Description
The Suburban SF-42VHFQ propane RV furnace delivers 40,000 BTU of single-stage heating power in a compact, space-saving design. It is engineered for ducted heating systems, allowing warm air to be distributed throughout larger RV floorplans.
This furnace uses a direct spark ignition system, eliminating the need for a standing pilot while improving start-up reliability and reducing fuel consumption. Its low amp draw design helps conserve 12-volt battery power, making it well suited for extended camping and off-grid use.
The SF-42VHFQ does not require an exterior access door, providing a clean and streamlined installation appearance while maintaining Suburban’s reputation for durability, quiet operation, and serviceability.
Key Specifications
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Manufacturer: Suburban
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Manufacturer Part Number (MPN): SF-42VHFQ
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Fuel Type: LP Gas (Propane)
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Heating Capacity: 40,000 BTU
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Heating Stage: Single stage
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Ignition Type: Direct spark ignition
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Discharge Type: Direct discharge (ducted system)
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Width: 17 Inches
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Height: 7-1/2 Inches
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Depth: 20 Inches
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With Vent Assembly: No
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With Access Door: No
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Electrical Consumption: Low amp draw design
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Application: RVs, travel trailers, fifth wheels, mobile living
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Condition: Brand new
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Warranty: Limited 2-year manufacturer warranty
Features & Benefits
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High-output 40,000 BTU heating capacity
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Low-profile housing – only 7-1/2 inches high
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Direct spark ignition for efficient, reliable operation
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Single-stage heating for consistent comfort
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Designed for ducted RV heating systems
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Low amp draw to reduce battery consumption
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Quiet operation for improved interior comfort
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No exterior access door required
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Ideal for mid-size and large RV floorplans
Installation Notes
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Vent assembly not included
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Exterior access door not required
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Professional installation is recommended for all LP gas appliances
Please measure your installation opening and clearances before ordering to ensure proper fitment.
Product Fit & Use
Designed for:
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Motorhomes
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Fifth wheels
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Travel trailers
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Mobile and custom RV builds
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