The plumbing diagram for Thor class C and A motorhomes is generic. The actual diagram shows the lavatory sink plumbed into the gray tank. However, there is a note at the upper r/h part of the page that caveats that “some” units have the lavatory plumbed to the black tank.
__________________
2018 Freedom Elite30FE
Current toad - 2019 GMC Canyon 4WD
Former toad - 2004 Jeep Liberty
|