Howdy! First post and hopefully my only one needing help. Recently purchased an 85 starcraft with a duo-therm furnace. The blower works good when i do the operational check, and the pilot lights, but it just wont stay lit. It has a brand new thermocouple (didnt even have one when we got it), and I also removed the gas line for the pilot and cleaned it out, as well as the outlet on the valve. Stove works all 3 burners and is bright blue. Not sure what else to check. Any input would be great. Thanks!