Black Tank Flush Plumbing

[Meanjean73]

Can anyone explain why the plumbing for the flush system is routed under the bathroom sink? I get they need a vacuum breaker device but why so much plumbing? Couldn’t it be routed inside the wet bay?

 

[Jwtsg]

Not sure but on some layouts the bath sink is in a small slide so piping would need to move a bit as a unit for those PVC coach connections ??

 

[George]

The Vacuum Breaker / Air Admittance / Backflow Preventer valve must be mounted higher than the toilet bowl by code.

 

[Meanjean73]

The Vacuum Breaker / Air Admittance / Backflow Preventer valve must be mounted higher than the toilet bowl by code.

Ahhh, got ya. I knew someone on here had the answer.

Thanks

 

[Oregon_Camper]

Ahhh, got ya. I knew someone on here had the answer.

Thanks

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