Solar Panels Plus provides a number of different pumping solutions for solar hot water and solar space heating systems. These pumps are included in our solar water heating packages, and are used to circulate heat transfer fluid in the primary or secondary solar hot water loops. Evaluate your current solar system setup, 2. Choose a suitable circulation pump, 3. FDA, REACH,CE, RoHS, ISO9001 certificated (3. 0 GPM) Shop products from small business brands sold in Amazon's store. Discover more about the small businesses. 12VDC Solar Hot Water Pumps - Can handle temperatures up to 230F and Pressures up to 145PSI - With three-phase ECM brushless DC motor. Made with chemicals safer for. Solariver's 20W kit pairs a submersible pump with a dedicated solar panel to push 360+ gallons per hour through ponds, waterfalls, and hydroponics setups. Non-toxic ABS plastic keeps it safe around fish, and dry-run protection prevents motor burnout. Solar water pumps work in two fundamentally.