- Jan 7, 2012
- 1,511
- Pool Size
- 21000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-60
I'd like to install a Hayward needle valve and I have 3/8" OD (1/4" ID) tubing. Which size valve should I order (1/4" or 3/8")? Thanks in advance!