Product Description:
Bradford White TTW® Ultra Low NOx, 75 Gallon Light-Duty Commercial Gas (Natural) Power Vent Water Heater. 3-Year Tank Warranty, 76,000 BTU/Hr., 120 Volts, Single Phase, with Power Cord included. The "-475" indicates that this SKU was designed to operate in Altitudes between 2,001 feet and 7,000 feet.
