Opinions appreciated: check valve vs anti-siphon holes in overflow returns

[ensquire]

Originally Posted by gregzz4

Wow, I should have checked in yesterday



All I meant was ensquire gave no reference as to how long the loc-line had been in use.
My reply wasn't meant to imply anything else.

Thanks for clarifying that
I used a Y like you did here, but used the flare end thinking that it was less likely to get pushed too deep.
Drilling a couple of holes for back up is never a bad idea, and as you said, the drilled segments can be replaced .
Things are looking very clean, very well set up system.