Same here. It's inexpensive insurance. I have my water system plumbed such that one hose feeds both the city water inlet and the black tank flush. I have a valve on the black tank flush that I can turn on when I want to flush the tank. I use one like this that is only $5.45 on Amazon...
https://www.amazon.com/EZ-FLO-20199-...s%2C179&sr=8-7
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Robert & Diana McNeal
2019 Montana Legacy 3791RD 20th Anniversary Edition
2014 F350 4x4 6.7L SRW
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