Welcome to TFP. For clarification - is this pool in South Carolina or Trophy Club TX - conflict info on your location and title. Not a major deal but interesting to see the price differences in various states.
Several quick points
- Suggest the pool depth be min. 3.5ft as you may find 3ft a bit shallow if it is a large section.
- Suggest you have 2 skimmers - have each independently plumbed back to the equipment pad for individual control.
- While 3 returns may be the minimum requirement, for your size pool, about 19-20,000 gals, it might be better to have 4 or 5 returns. You do not show a picture, so is this a free form pool or a rectangle pool?
- Nice that you have as saltwater chlorine generator (SWCG). Ensure it is the Pentair IC40 or IC60, it should be rated 2x the volume of pool i.e. 20x2=40.
- Also, it appears they are offering the EasyTouch automation system because they propose an additional fee for the screenlogic software which is recommended to provide easier programming. However, the better choice would be to request the Pentair IntelliCenter as this already includes the PC software. Also, ask that it the a package that includes the SWCG and 2 automatic actuators. The package should be less expensive then purchasing the IntelliCenter, SWCG and controllers separately.
- Ask that your filter be a large cartridge i.e. 400 sq. ft or larger for your pool.
I am sure others will chime in.