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Old 07-31-2017, 02:38 PM   #1
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THOR #8573
Black and gray water levels

My black and gray water tanks are empty but my indicators both show 3/4 full. Is there a way to reset them? I have Ace 30.1
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Old 07-31-2017, 03:05 PM   #2
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Brand: Thor Motor Coach
Model: Axis 24.1
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THOR #1150
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Originally Posted by Kent View Post
My black and gray water tanks are empty but my indicators both show 3/4 full. Is there a way to reset them? I have Ace 30.1
Clean the tanks: The black & grey level indicators in RVs are notorious for inaccurate readings and have been that way for decades (yes!).
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Old 07-31-2017, 03:49 PM   #3
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They are notorious for being so inaccurate to the point of being useless. As said many times get a clear extension (45 or 90 degree or straight) to add directly to the rv then attach your hose so that you can see that they are in fact empty when draining. You can use tank cleaning chemicals, ice cubes, Geo Method (Google that) or any other magic potion & they may work once or twice. When parked hooked to sewer you can leave the gray valve open til a day or two before draining the black so you'll have a good rinse for your hose, NEVER leave the black valve open til time to dump & give it rinse til it runs fairly clear water.
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Old 07-31-2017, 04:21 PM   #4
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Do a search and you will find a hundred different ways to remedy your problem.
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