Bradford White Defender Safety System®, 50 Gallon Residential Gas (Natural) Direct Vent Water Heater with Flexible Vent Kit. 6-Year Tank Warranty, 37,800 BTU/Hr. The -220 indicates that this SKU was designed to operate in Altitudes ranging from 0 to 4,500 feet, and are certified for Installation in Canada.
Bradford White Defender Safety System®, 50 Gallon Residential Gas (Natural) Direct Vent Water Heater with Flexible Vent Kit. 6-Year Tank Warranty, 37,800 BTU/Hr. The -220 indicates that this SKU was designed to operate in Altitudes ranging from 0 to 4,500 feet, and are certified for Installation in Canada.