Obnoxious plumbing

[scoggins_jim]

Ryan:
It is hard for me to believe. Just a wild guess but I wonder if someone
replumbed it. Are you making the complaint based on the gauges or
actually dumping? You could have bad gauges for both black and grey.

I had an 86PT40:
Toilet and bathroom sink went into the black water tank.
Shower and kitchen sink went into grey water tank.

Try this: Go to a dump station. Open the black tank valve and let it
drain. Flush the toilet and see that water flows out. Like wise, run
the bathroom sink to check that water runs out.

Then: Close the black drain and open the grey. Run the shower and check
for the flow. Like wise, run the kitchen sink and check for flow.

My bathroom was on the right hand side of coach. Thus, the black tank
was also on the right. When the tanks were empty I could hear the water
flowing into the correct tank.

If it is not working as described I cannot imagine why it would be
plumbed as you describe. It would be hard to fathom someone going
through the effort to goober up a perfectly good set up.

Let us know how you make out.

Regards,
Jim Scoggins
formerly
86 PT40