Thor Freedom Elite 29FE - Unknown 2nd black water dump valve
Does anyone know what the primary black tank valve is used for? It is located on the passenger side opposite where the dump outlet is located. There is another set of valves (one black, one gray) on the driver's side. We asked during our PDI and the dealer didn't know why. We were told, leave it open or close it - doesn't matter. Just open it along with the other one when dumping. My reply was there must be some reason Thor installed that extra valve. If anyone could answer this I'd really appreciate it!
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