Forum Discussion

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...
Teacher_s_Pet's avatar
Teacher_s_Pet
Explorer
Feb 22, 2018
It doesn't have to cost $50 for the cheap plastic one ..go to Lowes Under $19 for a brass one, of course you'll need two 1/2" nipples. The system should function as designed without the horrible adverse effect inside your fresh water system.

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