I have a brand new 3160el Bighorn. I pulled the access panel in the under belly, mainly just to look and noticed the vent down there isnt connected to anything? I thought this was a heater vent? heres 2 pictures, Thanks everyone.
It's just an open vent for air circulation into the space. The "heater" for the underbelly is just an open ended section of 2 1/2" flex hose off the furnace that is pointed rearward towards the tanks.
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