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Old 11-07-2011, 06:20 AM   #1
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Gas hot water tank power vent location

I am in Ontario, Canada. I am installing a new gas hot water tank that has a power vent. I am looking for the code that tells me the restrictions when installing. Where I want to bring the vent out there is a deck , windows and a door. How close can I be to these items and are there any tips or tricks to venting? Thanks in advance.


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Old 11-07-2011, 08:47 AM   #2
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If there is a deck, windows, doorway within 4 feet where you want to vent the water heater, you will have to determine best option. The whole reason of staying away from those areas, is due to heat & co & other emissions from the exhaust.


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Old 11-07-2011, 02:58 PM   #3
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B 149 code in Canada. Usually the info is in the install instructions. The code book is very expensive and if you nicely talk to your local gas co who has engineers and inspectors they may look it up for you. You need to take a permit out and have it inspected in Canada and be a licensed gas fitter or face some serious liability issues. Or get one to take out the permit and tag it for you and you pay him. Ontario is VERY VERY strict over code issues with the TSSA organization watching all the tradesmen and installs. You don't want to fool around with the regs and authorities in Ontario.
"Cut it twice and it is still too short".

Last edited by yuri; 11-07-2011 at 03:18 PM.
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