If you have an outside fill hole the drain is often located below it. Mine is about 12 inches back from the outside wall of the trailer. It only makes sense to have the fill and the drain near the tank so water and piping don't have to be any longer than necessary.
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2017 SLX 195RB
2021 Jeep Grand Cherokee Summit L 5.7L V8
Andersen WDH hitch, Renogy 100 AH Lithium &
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Prev. '14 Jeep Grand Cherokee Overland, gas 3.6 V6
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