Product details:

Environmentally friendly 40000 BTU Low NOx gas burner delivers 84 gallons in the first hour. Self-diagnostic electronic gas control incorporates an LED status indicator that monitors and reports on system operational status. Built-in safety system reduces the risk of accidental flammable vapor ignitions. Tall and slim 60. 75-in H x 22-in diameter profile is designed for easier installation. Protective anode rod and fceramic tank shield provide superior tank protection and extend water heater life.