US SOLAR PUMPS.COM S5-15PV/Cu - 3 GPM - Food Grade - 12V Solar Hot Water Pump - Can be run by a 15W solar panel Threads Rated at 30,000 hours Can be run directly off Solar Dry-Run & Reverse Polarity Protection Over Temperature & Over Voltage Protection Rated at Temperatures up to 230 F & Pressures up to 145 PSI