Thread: Where is the 2nd black tank valve?
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Old 05-09-2019, 05:16 AM   #2
Bridge4d
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Join Date: Feb 2018
Location: League City
Posts: 43
M.O.C. #21290
You only have 1 black tank on your model (1 toilet, 1 tank). Which "System Monitor" do you have? The In-Command system? If so you need to go into system settings and disable the second tank.
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