duct size question

Question

Is there a standard size duct on all campers? Eyeballing it I'm guessing 4"? My slide has been rubbing the top of my duct and wore a hole in it. I could just tape it but I really want to re-route it away from that slide gear as it doesn't look like there's enough room there to clear it unless I reduced it in that area. Before I start buying stuff though I want to be 100% sure that's 4" duct.

time2roll · Answer

Yes 4" is fairly typical for round ducting.

0rion · Answer

thanks.....got the section replaced that had the hole in it. Unfortunately I don't notice a huge difference at the vent. Gonna check it more tomorrow to see if there's another leak somewhere. It's the furthest vent up front from the furnace but air just barely trickles out of it. Should have more flow than that I think. There's another vent about 18" from it in the step down from the front of the 5er and the difference between the 2 are night and day. I almost have to have another hole in that duct somewhere.

0rion · Answer

found a 2nd hole today where it was rubbing on the frame under there.....all fixed now.

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