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Atlee's avatar
Atlee
Explorer II
Feb 22, 2018

By passed Black Tank Flush back flow preventer

The back flow preventer failed after 5 months of use. Was going to replace it yesterday, but @ $50, I decided no. Looked for a simple plastic elbow, but couldn't find one, so made a brass one. Also...
Cummins12V98's avatar
Cummins12V98
Explorer III
Mar 11, 2018
Both of my tanks have a flush system with proper anti siphon devices. I use one hose to connect my RV to domestic water supply. NOT my original idea but this system below works VERY well for filling fresh tank, everyday water usage, flushing black and and flushing grey tank. Parts from AMAZON.



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