Full Product Name: Residential Damper Atmospheric Vent High EF Energy Saver Gas Water Heater... Energy Star Rated. Automatic Flue Damper reduces stand-by heat loss, resulting in less gas consumption, higher energy factor ratings and improved overall efficiency. Honeywell Self Diagnostic Electronic Gas Control Intelligent gas control with spark to pilot ignition system eliminates the constant burning pilot. Compatible with the ICON accessory packages.

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Full Product Name: Residential Power Vent High EF Energy Saver Gas Water Heater... Energy Star Rated. Power Vented Water HeaterÑDesigned for installations where atmospheric units cannot be used. Exhaust gases are vented under positive pressure directly out of the building through the roof or the wall. Honeywell Self Diagnostic Electronic Gas Control Intelligent gas control with spark to pilot ignition system eliminates the constant burning pilot. Compatible with the ICON accessory packages.

See this product here: www.bradfordwhite.com/iconaccessories