Suburban 2592A RV Furnace – SF-42VHQ Series, 40,000 BTU Ducted Furnace (Multi-Position)

Maximum Heating Power with Flexible Installation and Airflow Options

The Suburban 2592A SF-42VHQ furnace is a 40,000 BTU LP gas RV furnace designed for high-output, ducted heating in large RVs and four-season applications. Built on Suburban’s SFV-Q platform, this furnace offers multi-position installation (vertical or horizontal) along with flexible duct discharge options for improved airflow throughout your RV.

With energy-saving direct spark ignition and a compact, low-profile design, the SF-42VHQ delivers reliable, efficient heating even in demanding conditions.

Who This Furnace Is Best For

This furnace is ideal for RV owners who need maximum heating performance with installation flexibility:

• Owners of large travel trailers, fifth wheels, and motorhomes
• RVs requiring 40,000 BTU output for cold-weather or four-season use
• Installations needing vertical or horizontal mounting flexibility
• Systems requiring side, top, or bottom duct discharge options
• Customers replacing an older SF-42, SF-42Q, or SFV-42 furnace
• RVers looking for interior access with no exterior furnace door required
• Users needing strong airflow distribution across multiple rooms

This model is especially well-suited for large or multi-room RV layouts where consistent, high-output heat is critical.

Features & Benefits

40,000 BTU heating capacity for large RVs

Multi-position installation (vertical or horizontal)

Multiple duct discharge options (side, top, and bottom)

Gas Connection Location: Rear / exterior

Energy-saving direct spark ignition

No exterior access door required

Compact, low-profile cabinet (7-1/2 inch height)

Strong airflow performance for multi-room heating

Backed by a limited 2-year warranty

Specifications

Brand: Suburban

Part Number: 2592A

Series: SFV-Q

Model: SF-42VHQ

Fuel Type: LP Gas

BTU Output: 40,000 BTU

Amp Draw: 9 Amps

Installation Type: Multi-position (vertical or horizontal)

Ducting: Side, top, and bottom discharge

Height: 7-1/2 Inches

Width: 12 Inches

Depth: 20 Inches

Weight: 35 Pounds

Ignition Type: Direct spark ignition

Access Door: Not included / not required

Warranty: Limited 2 year

Why Choose the SF-42VHQ?

Compared to standard furnaces, the SF-42VHQ offers:

• Maximum BTU output for larger RVs
• Flexible installation with multi-position capability
• Multiple ducting options for improved airflow distribution
• Reliable ignition and efficient performance
• Clean exterior appearance with no access door

This makes it an excellent choice for RV owners looking for maximum heating power, flexibility, and efficiency.

When Do You Need to Replace Your Furnace?

Consider upgrading if you experience:

• Inadequate heating in larger RV spaces
• Uneven temperatures across multiple rooms
• Limited airflow or poor duct performance
• Aging furnace struggling in cold weather
• Frequent ignition or operational issues

Pro Tip

To maximize performance, ensure your duct system is properly sealed and balanced. High-output furnaces like the SF-42VHQ depend on efficient ducting to distribute heat evenly.

FAQ

Q: Can this furnace be installed vertically or horizontally?
A: Yes. The SF-42VHQ supports multi-position installation, including both vertical and horizontal orientations.

Q: Does this require an exterior access door?
A: No. This furnace is designed for interior access and does not require an exterior door.

Q: What duct options are available?
A: The SF-42VHQ supports side, top, and bottom duct discharge for flexible airflow design.