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Old 06-03-2014, 01:27 PM   #11
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Black tank venting or lack thereof

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Originally Posted by f1100turbo View Post
Interested in how this works when the black tank is a closed system.
Except when you flush.


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Basically it stinks really bad when you flush as the only way for the air in the tank to be displaced is for it to come up though the toilet.
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Old 06-03-2014, 01:34 PM   #12
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Quote:
Originally Posted by f1100turbo View Post
Interested in how this works when the black tank is a closed system.
Except when you flush.


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It looks like there's a market for these things:

Cyclone Sewer Vent - Camco 40595 - Vents - Camping World

or

Solar-Powered Plumbing Vent Fan - Ultra-Fab 53-945001 - Vents - Camping World

I personally just go by some information I got from the forums when I started TTing last year:

"Turn the fan off when you flush so it doesn't suck the stink back into the trailer."

Never had a problem with odors.
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Old 06-03-2014, 01:40 PM   #13
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For no longer than it takes to flush, why bother turning the fan off? It will just suck the stink on out the fan vent.
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Old 06-03-2014, 01:45 PM   #14
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Quote:
Originally Posted by Kaadk View Post
It looks like there's a market for these things:



Cyclone Sewer Vent - Camco 40595 - Vents - Camping World



or



Solar-Powered Plumbing Vent Fan - Ultra-Fab 53-945001 - Vents - Camping World



I personally just go by some information I got from the forums when I started TTing last year:



"Turn the fan off when you flush so it doesn't suck the stink back into the trailer."



Never had a problem with odors.

I have one of those on there, but it only works when the vent is connected to the tank and mine isn't. How do I know? The vent pipe is filled with 72" of water.
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Old 06-03-2014, 01:47 PM   #15
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I have one of those on there, but it only works when the vent is connected to the tank and mine isn't. How do I know? The vent pipe is filled with 72" of water.
Going to take a L O N G drill bit to open that sucker up!
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Old 06-03-2014, 02:00 PM   #16
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Going to take a L O N G drill bit to open that sucker up!

Yep, one at least 91" long!!!
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Old 06-03-2014, 02:13 PM   #17
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1-1/4" Forsner bit welded to an 8' pc of pipe.
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Old 06-03-2014, 03:06 PM   #18
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1-1/4" Forsner bit welded to an 8' pc of pipe.

I think it will come to that if they determine if it is glued to the top of the unopened black tank. If it is connected to the bottom they are going to have to break it loose somehow then cut it to fit.
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Old 06-03-2014, 03:09 PM   #19
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better measure twice, drill once...

just to be sure that is the TOP of the black tank you are drilling through!
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Old 06-03-2014, 03:15 PM   #20
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just to be sure that is the TOP of the black tank you are drilling through!
Let the vent stack be your guide.

:Okay Joe, park the drill rig over there!

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