Restore your RV’s heating system with the Suburban 2609A Furnace Core, a direct replacement for Suburban SF-35Qand SF-42Q ducted furnaces. This 35,000 BTU model (RP-35Q) features electronic ignition and is built to OEM specifications for efficient, quiet, and reliable heating performance in your travel trailer, fifth wheel, or motorhome.
Ideal for drop-in replacement, the 2609A core slides into your existing furnace cabinet and connects to your original ducting, power, and thermostat setup — no guesswork required.
Manufacturer Number: 2609A
Model: RP-35Q
BTU Rating: 35,000 BTU
Fuel Type: LP Gas
Ignition Type: Electronic (Direct Spark Ignition)
Application: Replacement for Suburban SF-35Q and SF-42Q furnaces
Compact Fit: Easily installs into existing furnace box
Height: 7-1/2"
Width: 12"
Depth: 20"
Mount Style: Horizontal ducted
Backed by Suburban Manufacturing, the 2609A furnace core offers dependable performance in cold-weather conditions with factory-tested components. It’s ideal for RVers needing a direct-fit furnace core without the full housing or cabinet.