AO Smith® ProLine® Gas Water Heater, 40000 Btu/hr Heating, Natural Gas, 1/2 in Gas Connection, 40 gal Tank, Piezo Pushbutton Ignition, Atmospheric Vent, 3 in, 4 in Vent, 41 gph at 90 deg F Recovery, Energy Factor: 0.59, 3/4 in Water Connection, 150 psi, Tall or Short: Short, Ultra Low Nox: No, 22 in Dia x 51-1/2 in H
The ProLine® 400/401 Series gas water heater is designed to deliver an economical performance that can lower your energy bills and also provide long-lasting value.