TEMSONE Upgrade 31501 RV Furnace Ignition Control Board – Compatible with Atwood & Dometic Hydro Flame

Upgrade with TEMSONE: Reliable ignition control for your RV furnace

When an RV furnace struggles to ignite, a dependable ignition control board can restore warmth to your adventures. The TEMSONE Upgrade 31501 is designed to work as a direct, high‑quality replacement for a wide range of Atwood and Dometic Hydro Flame furnaces. Its broad compatibility supports many common variants, helping you identify a suitable replacement without a full system overhaul.

Wide compatibility with popular RV furnace models

The board is built to replace ignition control units across a broad selection of Atwood and Dometic Hydro Flame furnaces, including 7912-II, 7916-II, 7920-II, 8012-II, and multiple I/II/III/IV variants in 8516, 8520, 8525, 8531, and 8535 lines. It also covers DC models like 8935-DC and 8940-DC, plus numerous AFSD, AFLD, AFMD, DFLD, and DFMD series. This breadth helps you locate a compatible replacement for many common configurations, reducing downtime during trips.

Direct replacement with OEM-standard quality

Replace for part numbers 31501, 33488, and 33727. For best results, take photos of the original wiring before removal to ensure the new board reconnects correctly. The unit is manufactured to OEM production standards, providing a trustworthy foundation for your furnace’s ignition system.

Durable performance designed for RV environments

Constructed from high‑quality materials, the ignition board emphasizes stable performance, durability, and reliability in mobile environments where vibrations and temperature changes are common.

Fast, straightforward installation

The installation is designed to be quick, often completed in minutes. This can help minimize downtime and get your RV back to comfortable temperatures sooner. If you have questions, our team is ready to help with guidance and support.

Before you replace: quick setup tips

• Verify the model and note supported part numbers (31501, 33488, 33727).
• Take photos of the original wiring before disconnecting anything to ensure correct reattachment.
• Ensure the furnace is powered down and cool before handling components.

What to expect after installation

• Consistent ignition behavior across compatible models.
• Improved reliability during RV heating cycles on trips.
• Confidence from OEM-standard construction and tested performance.

Note: This replacement targets compatible models; results may vary based on the overall furnace condition and other system components.