SunQuest 4-2X20 Solar Swimming Pool Heater Complete System with Roof Kits SunQuest Solar panels are designed for both In-ground and Above-ground swimming pools MAX-FLOW design with 2" OD headers - better water circulation - less back pressure on your pump. Compatible with your existing pool pump. Increases pool water temperature up to 10 degrees. SunQuest is an easy do-it-yourself installation.