Suburban 2588A RV Furnace – SF-35VHQ Series, 35,000 BTU Ducted Furnace (Multi-Position)

High-Output Heating with Flexible Installation Options

The Suburban 2588A SF-35VHQ furnace is a 35,000 BTU LP gas RV furnace designed for powerful, ducted heating with multi-position installation capability. Built on Suburban’s SFV-Q platform, this furnace can be installed in both vertical and horizontal orientations, making it ideal for a wide range of RV layouts.

With multiple duct discharge options and direct spark ignition, the SF-35VHQ delivers reliable, efficient heating for larger RVs and multi-room configurations.

Who This Furnace Is Best For

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

• Owners of larger travel trailers, fifth wheels, and motorhomes
• RVs requiring 35,000 BTU output for cold-weather or four-season use
• Installations needing flexibility for vertical or horizontal mounting
• Systems requiring side, top, or bottom duct discharge options
• Customers replacing an older SF-35, SF-35Q, or SFV-35 furnace
• RVers looking for interior access with no exterior door required

This model is especially well-suited for tight or custom installations where orientation flexibility is critical.

Features & Benefits

35,000 BTU heating capacity for larger RVs

Multi-position installation (vertical or horizontal)

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

Direct spark ignition for reliable operation

No exterior access door required

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

Includes 2-inch length intake tube

Designed for ducted heating systems

Backed by a limited 2-year warranty

Specifications

Brand: Suburban

Part Number: 2588A

Series: SFV-Q

Model: SF-35VHQ

Fuel Type: LP Gas

BTU Output: 35,000 BTU

Installation Type: Multi-position (vertical or horizontal)

Ducting: Side, top, and bottom discharge

Height: 7-1/2 Inches

Width: 17 Inches

Depth: 20 Inches

Ignition Type: Direct spark ignition

Access Door: Not included / not required

Includes: 2-inch intake tube

Warranty: Limited 2 year

Why Choose the SF-35VHQ?

Compared to standard furnaces, the SF-35VHQ offers:

• Flexible installation for a wider range of RV layouts
• Multiple ducting options for improved airflow distribution
• Reliable ignition and consistent heating performance
• Clean exterior appearance with no access door
• Strong heating capacity for larger RVs

This makes it an excellent choice for both replacement and custom installation applications.

When Do You Need to Replace Your Furnace?

Consider upgrading if you experience:

• Difficulty heating larger RV spaces
• Uneven airflow or poor heat distribution
• Limited installation options with your current furnace
• Aging furnace with declining performance
• Frequent ignition or operational issues

Pro Tip

When installing in either vertical or horizontal orientation, be sure to follow proper clearance and venting requirements. Correct airflow and vent configuration are essential for safe and efficient furnace operation.

FAQ

Q: Can this furnace be installed vertically or horizontally?
A: Yes. The SF-35VHQ is designed for multi-position installation and supports both orientations.

Q: Does this include 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-35VHQ supports side, top, and bottom duct discharge for flexible airflow design.