DIY project By Mike DIY on 4/16/2013Mike DIY would recommend this product to a friendI recently ordered the 3/4 inch Spears Schedule 80 Check Valve.
You will additionally need when choosing to use flexible hose as a return from the Sump
Bulk Reef Supply:
2 count Sku # 202544 3/4 Schedule 80 female Pipe Adapter
2 count Sku # 202656 3/4 Schedule 80 Straight Barb X Male Thread
*** AND! a trip to Lowe's for: ***
Two 1 inch sawed pieces of 3/4 inch X 5-FT Sched 40 PVC Pipe
Two metal hose clamps
and Water safe hot and cold GLUE
Sand off the sawed PVC parts ( I could not find 3/4 inch coupler so thats what I had to do.
Make sure you install on a 90 degree angle and there you go
Hope I saved you atleast one trip or order from my experience
Mike from Boston
Great By Holyreefer on 3/22/2013Holyreefer would recommend this product to a friendI like them so much i have 3 of them on my tank currently