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2018 3921GK Black Tank valve access
Hello. I recently had a hydraulic line failure and had to pull down the front underbelly to replace the line. While I was under the coach I observed the tank valves and was unable to locate the black tank valve. I could easily spot the two 1 1/2" gray tank valves. The 3 inch pipe from the black tank runs on top of the lavatory gray tank and I'm sure hoping that it is not necessary to drop that gray tank to access the black tank valve. I did not have to drop the rear underbelly and am hoping the black tank valve is accessible from the rear underbelly. Has anyone with a GK model serviced their black tank valve and could tell me how you accessed it? Thank you.
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Linear Mode
