Quote:
Originally Posted by sphelps
The main drain line should have a gate valve installed directly before the pipe drops into the sump. When you adjust the valve the main line will be full of water so there won't be a cascading effect. It's important that this main line does not tee into the other drain line(s) at any point before or after the gate valve.
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Thanks that's the exact info I was looking for. I'm still alittle confused with what I should do with all three drains going to the sump. Main drain will drain directly to skimmer section. Other two use as emergency drains and plumb to what part of my sump ?