Are you curious about atmospheric water heaters? If your home runs on natural gas, it's likely that you have an atmospheric gas water heater. This type of gas-powered storage-tank water heater works by burning fuel to heat up water, and the exhaust gases are vented out of your home through a large metal draft pipe at the top of the tank. In this guide, we will cover the basics of atmospheric water heaters, how they work, and their important parts, including the tank, burner, expansion tank, pressure relief, drainage, and exhaust.
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