Another thread on Furnace Dinosaur Board<br/><br/>The front furnace in our 95 300 was acting up - usually the igniter would fire the gas but sometimes the fan would continue to blow cold air. I determined that the board was the likely problem and ordered a replacement from Dinosaur. This furnace is an Atwood 8516-III. The Dinosaur board is their UIB-S. Cost is $88 Amazon Prime....