Solar water heater retrofitted from conventional water heater, system and method

摘要

A solar energy water heater system composed of a method of retrofitting an existing conventional gas or electric water heater. In particular, this invention relates to adding a solar energy water heater system comprised of: a solar collector, a solar thermal circulating loop, an over-heat protection loop, and a computer controller with temperature sensors. The solar thermal circulating loop and over-heat protection loop are installed on the existing water storage tank, and the method and system is disclosed herein.