What size plumbing to use?

Dunecrazy07

Member
Aug 28, 2019
8
Fresno/CA
Hi everyone! I am starting the process of building my own in ground pool/spa combo and have a question about the spa plumbing. What size plumbing should I use from the pump to the spa suction and returns (jets 12 GPM). The lines to the spa will be approximately 30' The spa will have a 2" loop with 6 jets. I was planning on using 2" for the complete build but wanted to make sure I'm not making a mistake. I will be using 1 Pentair 3hp VS pump for filtration and spa. Any input would be greatly appreciated! Thank you!
 
What spa jet fitting assembly do you intend to use? What is the size of the water and air inlets?

For suction lines 2” is good.
 
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