Friends of mine just bought a home with an IG pool. Yesterday I delivered my house-warming gifts, which of course were a TF-100 and a SpeedStir. (I forgot to buy a bow. I blame Covid)
The setup is mostly what I expected, except for the valve and the waste line. The latter goes out of the pumphouse, couples to an iron elbow and pipe and goes underground. I didn't walk the whole yard, but I didn't see where it might discharge. Do some municipalities allow a sewer connection, or should we sweep the yard looking for an open end?
This valve is my immediate concern. I have a big ol' multivalve with clear labels. I don't know how to tell my friends how to operate this, and not being able to see waste water complicates matters. I've seen pictures of similar valves posted here, so I'm hoping someone can enlighten me.

The setup is mostly what I expected, except for the valve and the waste line. The latter goes out of the pumphouse, couples to an iron elbow and pipe and goes underground. I didn't walk the whole yard, but I didn't see where it might discharge. Do some municipalities allow a sewer connection, or should we sweep the yard looking for an open end?
This valve is my immediate concern. I have a big ol' multivalve with clear labels. I don't know how to tell my friends how to operate this, and not being able to see waste water complicates matters. I've seen pictures of similar valves posted here, so I'm hoping someone can enlighten me.

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