Suburban 2606A Furnace Core – RP-20FQ – SF-20F / SF-20FQ – 20,000 BTU

Product Overview

The Suburban 2606A Furnace Core (RP-20FQ) is a direct replacement heating core designed for Suburban SF-F and SF-FQ Series furnaces, including SF-20F and SF-20FQ models. This complete internal furnace module restores proper heating performance by replacing worn or damaged components.

With a 20,000 BTU output and compatibility with electronic ignition systems, this furnace core is a reliable and cost-effective solution to restore your RV furnace without replacing the entire unit.

Key Features & Benefits

• Direct replacement for Suburban part #2606A
• Designed for SF-F and SF-FQ Series furnaces
• Fits SF-20F and SF-20FQ models
• Restores full furnace heating performance and efficiency
• 20,000 BTU output for consistent RV heating
• Compatible with electronic ignition systems
• Precision fit for proper installation
• Cost-effective alternative to full furnace replacement

Compatibility

Designed to fit seamlessly into the following Suburban furnace models:

• SF-20F
• SF-20FQ

Replaces:

• RP-20FQ Furnace Core Assembly

Product Specifications

• Part Number: 2606A
• Model: RP-20FQ
• BTU Rating: 20,000 BTU
• Ignition Type: Electronic Ignition
• Dimensions:
  • Height: 7-1/2 inches
  • Width: 12 inches
  • Depth: 20 inches
• Application: Suburban SF-F & SF-FQ Series Furnaces

What’s Included

• (1) Suburban 2606A Furnace Core Assembly (RP-20FQ)

Common Issues This Part Solves

• Furnace blowing cold air
• Weak or inconsistent heat output
• Cracked or failing heat exchanger/core
• Furnace short cycling or overheating
• Aging or worn internal furnace components

Installation Notes

• Professional installation is recommended
• Confirm compatibility with your furnace model before purchase
• Disconnect power and gas supply prior to installation
• Follow all Suburban safety and service guidelines

Why Replace the Furnace Core Instead of the Whole Furnace?

Replacing the furnace core allows you to restore your RV furnace’s heating performance at a fraction of the cost of replacing the entire unit. The Suburban 2606A is engineered to deliver OEM-level performance while extending the life of your existing furnace system.

Frequently Asked Questions (FAQ)

Q: Will this work with both SF-20F and SF-20FQ models?
A: Yes, this furnace core is designed specifically for SF-20F and SF-20FQ furnaces.

Q: What does the “F” and “FQ” mean?
A: “F” indicates a front gas connection, while “FQ” combines front gas connection with quiet operation.

Q: Is this a complete furnace?
A: No, this is the internal furnace core assembly only, not a full furnace unit.

Q: Can I install this myself?
A: Installation is best handled by a qualified RV technician due to gas and electrical components.