replying to , rangerguy2000 wrote:
it has to do with the air intake and the way the exhaust gases are vented. if
you look at a regular house with a basement you will see the vent had a gap
between the water heater and the duct to help make a draft to pull the gases
out. this works fine when you are in a basement but when the heater is in the
living areas of the house this isn't safe, at least that's what I was told

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