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Old 07-17-2016, 06:45 AM   #1
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Generator Vent system

I'm going to make my own genie exhaust venting system like Gen-Turi . I have a lot of 2" pvc pipe lying around . Does anyone see a concern using 2" pipe instead of 3" ?

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Old 07-17-2016, 08:13 AM   #2
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2" would do fine. Not a fan of PVC in exhaust components though

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Old 07-17-2016, 08:14 AM   #3
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I don't think the 2 inch pipe will give the correct "Venturi effect" the hot exhaust gases need to be able to easily "float" up the open pipe in order to create a "suction" at the bottom. Kinda like a fireplace chimney....if the chimney is too small smoke will not "draw" properly.

They are so cheap......just save the trouble and buy one you know works..... 😃

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Old 07-17-2016, 08:21 AM   #4
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Good point. I was thinking more of exhaust extension. Still a nix on the ovc
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Old 07-17-2016, 08:21 AM   #5
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Old 07-17-2016, 08:24 AM   #6
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I attempted to make my own Venturi type system for my previous rig, a Class C. First time I did it I used a piece of PVC pipe and it got to hot and folded over. I then with a different type but allowed for more distance between the steel pipe and the tube and attached it differently. Worked but I paid myself ~$5/hr fooling with it.

One of the best options I saw was using a piece of aluminium gutter down spout, light weight, has structure because of the rigs and you can cut it in two for easy storage.

When we bought our current rig we just bought the venturi.
Jim J
2002 Monaco Windsor 38 PKD
2005 Jeep Grand Cherokee w/5.7 Hemi
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Old 07-17-2016, 06:52 PM   #7
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FYI the price has gone up since the screenshot was taken......
1991 Winnebago Warrior 23EC Class A
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Old 07-18-2016, 08:11 AM   #8
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If you have an Onan under warranty, use of a Venturi will void your warranty. Just something to consider.

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generator, vent

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