How high off of sump bottom should drains be on RSR XL425

[krakenwrangler]

I'm hard plumbing my RSR XL 425 V3 sump, does anyone know what the height off sump bottom the drains should be at? I'm hearing 3" sounds nominal but wanted to ping the community.

 

[krakenwrangler]

I'm hard plumbing my RSR XL 425 V3 sump, does anyone know what the height off sump bottom the drains should be at? I'm hearing 3" sounds nominal but wanted to ping the community.

Found my answer, its 2"