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...
Old-Biscuit's avatar
Old-Biscuit
Explorer III
Feb 22, 2018
buc1980 wrote:
Old FW have the black flow preventer?



IF a Black Tank Flush System was FACTORY installed then YES it will have a anti-siphon vacuum breaker backflow device.

UNLESS previous owner removed it due to flooding/stink/failure of device

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