How long does your propane last and what is the size of your tank?
If you are using the furnace.... yes it will be used up quickly.
Do you smell propane inside the coach or has the alarm gone off?
Do you smell propane around the tank outside? The vent valve could be loose causing it to leak.
You could also have a leak at the regulator. Thor uses a cheap two-stage regulator where the housing is crimped together and not screwed together. I had the regulator leak where it was criimped together. I ended up replacing it with a better regulator where it wa assembled with screws.
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