Fresnel Lens Solar Hot Water, Heat Solar Pool Heater Solar Swimming Pool Heater

This is a large Fresnel Lens focused on a copper tube with a 12 V pump (powered by two 6 watt solar panels) with water circulating through the unit. Water, seven gallons, was raised from 63 F to 10…

Tagged as: Fresnel, Heat, Heater, Lens, Pool, Solar, Swimming, Water