Quote:
Originally Posted by 1SGPETE
We have a 4 inch clean out that we use. If it is PVC you should be able to find a reducer. We don't use ours full time,, just when we return form a trip and just to be sure it is cleaned out good before we let the unit sit for any length of time in the drive way.
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This is exactly what I do. Before leaving the CG, I'll do a dump and flush, once or twice. But the rig is usually sitting level, or even leaning slightly inward because the slide is in, so I don't get a good gravity flush out.
I fill the black tank about 1/2 for the ride home, to let is slosh around. Once we unpack and I'm ready to park the rig in the driveway, I have a 4" clean out at the end of the driveway that I pull up to. With the crown of the road, I get a good lean towards the dump valve with gravity help. I dump and flush like three times, and the tank is clean and empty, ready for the next adventure.