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Old 07-18-2008, 08:34 AM
Bob Lynett Bob Lynett is offline
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Flue pipe/Draft hood installation
Has anyone ever seen this type of installation, I inspected a Wick manufactured home where the WH and furnace are installed in a laundry room area on the main floor. I have never seen the draft hood area installed so high above the WH. Everthing was drafting ok with a smoke test but I just didn't feel comfortable with this type of installation.
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Old 07-18-2008, 08:53 AM
John Arnold John Arnold is offline
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Re: Flue pipe/Draft hood installation
That looks completely wrong, and I don't even see a draft hood in your photos.
Is it a forced vent? How did the vent connect to the top of the water heater?
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Old 07-18-2008, 09:06 AM
Bob Lynett Bob Lynett is offline
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Re: Flue pipe/Draft hood installation
John,

The connection at the WH was connected flush to the unit, no venting there. I thought the hood or make shift hood looked funky so I recommend a plumber evaluate.
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Old 07-18-2008, 10:32 AM
David Banks David Banks is offline
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Re: Flue pipe/Draft hood installation
Never seen one of those but according to this PDF it acts similar to draft hood. See vent packages page 3.
http://www.lawsonmobilehomesupply.co...wtrheaters.pdf
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Old 07-18-2008, 11:22 AM
Bob Lynett Bob Lynett is offline
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Re: Flue pipe/Draft hood installation
Thanks for the information. Page 3 states for propane gas and this heater used natural gas. I guess I am not sure if that matters. The description pretty muchs looks like what was installed in this manufactured home.
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Old 07-18-2008, 01:37 PM
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DavidR DavidR is offline
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Re: Flue pipe/Draft hood installation
Be careful with the smoke test, it in no way indicates an appliance is venting properly.
The only thing it shows is that room air is going out the draft hood at that point in time.

That still functions the same as a standard bell type draft hood the only problem is both designs are useless and a potential timebomb waiting to go off.

Especially in a laundry room with a dryer capable of exhausting up to 100 CFM to the outdoors.
The draft hood and flue then becomes a nice make up air system.
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Old 07-18-2008, 02:00 PM
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Bob Harper Bob Harper is offline
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Re: Flue pipe/Draft hood installation
As always, check the listed instructions from the appliance and venting. They must be listed together. Even so, Davidr's points should not be taken lightly. Also, cross check against these units: American Water Heater Co. Recall

I just love mfrs. who include a claims form on their Products section of the website but no install manuals!

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