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Fsch5748's avatar
Fsch5748
Explorer
Aug 04, 2020

2020 Jayco 36FTBS grey water sewer smell in trailer

Question Our trailer develops a strong odor with grey tank less than full! We’ve tried everything to eliminate with no success. Was told trailer has ventless system but cannot locate it! Anybody...
opnspaces's avatar
opnspaces
Navigator II
Aug 04, 2020
Yep look under the sinks and you'll spot a vertical stub sticking up from the drain pipe just after the P trap. Unscrew the valve by hand and replace it. There are better ones, but the one you have is probably $7 from Home Depot.
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