Quote:
Originally Posted by Raider712
Yes in Odessa and yes to Texas Tech! Wreck em Tech! My holding tank is open. Tried to see if it will drain with valve closed and open with nothing attached and it just fills the sink.
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Your response gives the impression that you're pulling the handle on a
SINGLE holding tank. There are two gray valves (and one black valve) handle under your trailer (three valve handles). Are you pulling "the correct gray tank valve" ???? Two (black and bathroom gray) are behind the slide and are connected together. There is also one (galley gray) located forward of the axles, under the slide and from what I see in the photos I've found, requires a second sewer hose connection to empty the tank.