Sorry but not ALL unit have a P-Trap under the bathtub for what I know. My 24RBS have what they call a waterless trap. Its like a rubber membrane .hummmm best exemple would be like a baloon open at both ends. When there is no water the baloon remain flat blocking stinky smell , when water passes the baloon allow the water to pass and collapse right after....sorry for my frenchglish....try googling for waterless P-trap.
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Jayco Jayflight 29RKS 2019
Ford F 150 Ecoboost Tow Max 3.73 2014
Equalizer hitch 1000/10000
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