Yes, they are in theory low point drains, however some have found the need to use air in addition to just opening the drains. You have to watch them build the units at the factory, but the thought that no one's unit has a loop in a line or a wood block left on the floor that creates a low spot is strictly wishful thinking.
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Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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