Water Heater Rescue: Know-How, Solutions, Parts graphic

Lingo > Draft Hood, Draft Diverter

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A draft diverter on a residential water heater
A draft diverter on a commercial water heater

Draft diverters, or draft hoods, gather the exhaust gases from the flue(s) of a water heater in order to be safely vented to the exterior. It's important to use the draft diverter that was made for the tank, along with vent piping of the proper diameter in order to ensure that the tank doesn't soot up, or that poisonous exhaust gases don't backdraft into the water heater closet. The one at left is on a commercial tank, while the one right is on a residential heater.

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