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Frugal and Energy Efficient Living

Kaleva

(39,603 posts)

2. This house has a great deal of air exchange. It's old and very drafty.

Reply to NYC_SKP (Reply #1)

Wed Jan 15, 2014, 09:58 PM

Jan 2014

So I'm not worried about carbon monoxide buildup but I do have a very expensive carbon monoxide detector at the other place which I'll get and take then take readings down in the basement where the water heater is located. My guess is that the readings will be negligible but it would be best to be on the safe side.

As long as it's just me here, this ought to be okay. I'll have more hot water for no extra cost and the blocking off the 3 inch hole in the chimney reduces the amount of cold air coming down the chimney into the basement.

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Unventing a vented gas water heater. [View all] Kaleva Jan 2014 OP

As long as you're confident that you're not building up CO gas, that combustion gases are exiting... NYC_SKP Jan 2014 #1

This house has a great deal of air exchange. It's old and very drafty. Kaleva Jan 2014 #2

I don't think the danger is CO2. What happens if the pilot flame goes out but the gas keeps flowing? kristopher Jan 2014 #3

That's a danger even with main flame on. A thermocouple automatically closes the pilot valve. NYC_SKP Jan 2014 #4