DINFAN 50 PLUS PINS (also known as FAN50PINS) is a universal 12‑volt DC ignition control board designed for most RV furnaces that use a 12V DSI (Direct Spark Ignition) system.

✔ Common Furnace Brands/Models This Board Typically Fits

The FAN 50 Plus Pins is widely used as a replacement for many OEM boards in:

• Atwood / Hydro Flame 12V furnaces

  • Models such as:

    • 79xx series

    • 85xx series

    • 89xx series

    • 25, 30, 35, 40 BTU models

• Suburban 12V furnaces

  • Models such as:

    • NT‑16, NT‑20, NT‑24, NT‑30

    • SF‑20, SF‑25, SF‑30, SF‑35

• Other RV furnace brands using a 12V DSI board with a fan‑control circuit

✔ OEM Boards It Commonly Replaces

The page lists alternate part numbers:

• 0310.1474

• 100507

• 410053

• FAN50PINS (manufacturer’s part)

These correspond to older Atwood/Hydro Flame and Suburban ignition boards.

⚠ Important Installation Note

The FAN 50 Plus Pins requires the “Fan Control” feature to be used for proper operation. This is a key difference from some older boards.