I've been working on this on and off for a while now. I will confess that i know little about furnaces, but I've taught myself everything else, so i'm hoping you all can help me out. We have a 1990 Skamper 211-C. I have the manual for the HF8012, which is the older model. Our fridge and stove work, and I've replaced the propane line from the tank to the PUP frame. The propane tank is full. On the outside of our PUP, I can get the pilot lit, despite the knob being broken off. Luckily it's in the correct position. Side note, see pic. Any idea where I can get one of these, or how to replace it? I replaced our OEM thermostat with a Lux 2-wire, heat only digital thermostat. The outside temp was 45 degrees, and I set the thermostat at 65. I can hear a humming sound coming out of the furnace, but that's it. The light dims inside the PUP where it's trying to do something. Here were the steps I took to try to light it. If i'm doing this wrong, call me out. 1. Light pilot on outside cover of PUP. 2. Turn on stove to ensure propane flow. 3. Turn thermostat on. 4. change thermostat to desired setting. 5. Wait for something to come on (over 10 mins). I've read a few dozen posts on here about furnace problems, but still don't know how to tackle this. I do not see a gas valve on my furnace. On one post, i saw someone say the hole in the cover is for the pilot light, but looking at my pics, it looks like there is a wire there. Does the furnace have it's own pilot light, or does it use the same one as the stove/fridge, which is inside the cover on the outside of the PUP? Should i see a gas knob on the furnace? I don't. I guess i need to take the furnace out, and start checking it thoroughly. I am concerned with disconnecting the gas line in the front / left of the furnace. Guessing i turn propane off, then how long do i need to wait before disconnecting? Any help is appreciated. When i bought the PUP, there was a giant wasp nest inside the cover where the pilot light / gas knobs are. I got everything cleaned out, but wondering if something else might have created a home somewhere and it's not allowing the furnace to function. What should i look for?