
02-05-2026, 06:53 PM
|
 |
Administrator
|
|
Join Date: Jul 2004
Location: Wilton, CA.
Posts: 13,466
Thanks: 7,681
Thanked 2,338 Times in 1,097 Posts
|
|
3/8". You want the feed lines (pressure lines) all 3/8", only the return line from the regulator to the tank is 5/16" (though it could also be 3/8").
|