Installed Rheem 80 gallon Triton power vent water heater. Replaced 1 1/2 hot and cold shut off valves and repiped 1 1/2 tee location. Flushed out hot water return line to bleed out air from the system. Advised customer that we need set a day to flush tank and call Rheem to go over any error codes for the water heater on the left side.