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can a natural draft nat. gas water heater be vented out a wall if a chimney is not available?

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asked in House Ventilation by wayner (120 points)
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1 Answer

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Hi Wayner,

Unfortunately not, natural draft water heater requires a chimney to create draft, without a chimney exhaust gasses might spill into your house. You can find details about venting such water heater by following this link - http://www.checkthishouse.com/49/water-heater-vent-pipe.html.

An induced draft / motor assisted draft water heater should be used when venting through the side wall. 

Also, a natural draft water heater cannot be modified for use with a motor that induces draft unless it has been specifically designed for that purpose. 

Please let me know if you have any other questions.

Darek

answered by darekrudy (21,730 points)
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