If that is the case, I am mistaken.
Truly criminal setup.
When almost is not enough.
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If the room volume is sufficient, combustion air can be drawn from inside even with a 90% appliance. In the photo, it is the flue discharging into the house that is the problem and defect.
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Looks like the plumber had a liquid lunch and forgot to use these sheet metal screws 
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Probably got scared off by whatever critter was leaving those turds… 
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What could possibly go wrong???
Paul are you a CMI? CPI appears by your name🙂
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Oh yeah, if I remember correctly that was a sealed battery. They LOVE excessive heat! 
I thought that might be an ammo box 
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Why do people think the top of a water heater is a shelf?? I just did one that had spray paint cans stacked on it. 
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They don’t.
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At least that furnace is 100% efficient lol
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Duh, the panel is missing
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Zach, IMO there SHOULD be info regarding what you saw and what you described - for the benefit of newer inspectors or perhaps inspectors that are not familiar with the item. For example, if nearly all the homes in your area are electric heat you may not encounter furnaces. The purpose of these forums is for EDUCATION.
Tom
1 Like