One board that replaces the ignitor control in your RV refrigerator, furnace, or water heater. The UIB S POST is engineered to fit virtually any appliance that uses a standard small-format ignitor board, with built-in diagnostics and onboard fuse protection so you can troubleshoot and replace with confidence.
When your RV refrigerator, furnace, or water heater stops firing, the ignitor board is often the culprit. Dinosaur Electronics has been the go-to aftermarket source for RV control boards for decades, and the UIB S POST is their compact universal solution -- designed to drop in where OEM boards have failed without requiring a brand-matched replacement.
The post connector on this board is specifically included for the spark lead wire, making it compatible with appliances that route the ignitor wire to a post-style terminal rather than a plug. This detail matters: ordering the wrong connector style means the board simply won't hook up correctly.
Works in furnaces, refrigerators, and water heaters from multiple major brands -- one SKU covers a wide range of 12V RV appliances.
Spark lead post connector is built onto the board, making this the correct choice for appliances with post-style ignitor wire terminals.
Green LED confirms power to the board. Red LED confirms power to the gas valve. No guessing during troubleshooting.
An onboard fuse guards the board against short circuit damage, protecting your investment and the appliance wiring harness.
The UIB S POST is confirmed compatible across the following RV appliance categories:
This board is for 12 VDC systems only. Verify your appliance operates on 12V before ordering. Installation requires basic hand tools and familiarity with RV appliance wiring. The board mounts in place of the original ignitor board using the existing mounting points.
The two-LED diagnostic system speeds up troubleshooting at the appliance level: