Abstract: A solar water heating assembly utilizing a heat collector in a fluid communication and water delivery to and from a primary and/or auxiliary water storage tank. The heat collector unit includes a collector plate mounted within an insulated casing and includes water filled conduit integrally formed thereon and disposed in fluid communication with a primary heater conduit assembly having a plurality of heat collector elements mounted in predetermined relation thereon so as to initiate heating of the water or liquid entering the tubing wherein heat is gathered from the interior of the casing in which the tubing and primary heating unit are both mounted. The primary heater conduit is disposed in insulated relation to the collector unit wherein the collector unit is mounted in spaced relation to the bottom of the casing.