The solar water heater shall be Rheem Premier Hiline model 52H300/2SP. The water heater shall operate on the indirect thermosiphon principle whereby a glycol mixture passes through the collectors and jacketed stainless steel cylinder to transfer energy into the potable water contained within the 300L capacity cylinder. The water heater shall be equipped with an immersion electric heating unit, thermostat and energy cut out for optional boost. The solar collectors shall be Rheem model SPA2000. The absorber panel shall be mild steel, painted black.