Just a thought here, but if it really bothers you that much then cut the connection to the grey tank, seal it off and build your own leading to a second
"termination valve." Granted you would have no holding tank for the washer, but not many campers I know wash clothes when they are boondocking.
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Jim in Memphis, Wife of 51 years is Brenda
2019 F450 6.7 Powerstroke
2018 Mobile Suites 40RSSA
2021 40' Jayco Eagle
2001 Road king w/matching Harley sidecar
2021 Yamaha X2 Wolverine 1000
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