Product Description:
Bradford White Defender Safety System®, 40 Gallon Tall Residential Gas (Liquid Propane) Atmospheric Vent Water Heater. 6-Year Tank Warranty, 36,000 BTU/Hr. The "-475" indicates that this SKU was designed to operate in Altitudes between 2,001 feet and 7,000 feet. The "-506" indicates that this SKU comes with an A420 Aluminum Anode Rod.
