I came across one of the sealed combustion chamber type water heaters that was a State brand today. The manual with it stated it could be installed on a garage floor but was not recommended if any combustibles such as gas or flammable containers would be stored in a close proximity of the water heater.

Now the million dollar question? Who determines what is close proximity?

Is a lawnmower or a weed eater stored with gas inside the tanks stored in the garage in close proximity? How about a car with a full tank of gas?

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I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them.
Thomas Jefferson