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Old 04-24-2016, 02:20 PM   #1
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What is this thing?

It's in the bath sink drain line. With the pics I can now tell it's directional.
But I have no idea what it is or what it's for.
Anyone know what it is? Thanks.
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Old 04-24-2016, 02:31 PM   #2
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to me it looks like a back flow preventer/check valve similar to this....

Homewerks Worldwide 1-1/2 in. PVC Sch. 40 FPT x FPT IPS In-Line Check Valve-VCKP40B7B - The Home Depot
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Old 04-24-2016, 02:53 PM   #3
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What is this thing?

Trap less drain
https://www.google.com/search?q=trap...Fn3TjFs4IeM%3A

https://www.google.com/search?q=rv+t..._P5FxOeKE-M%3A


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Old 04-24-2016, 03:37 PM   #4
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Quote:
Originally Posted by TURBS View Post
Trap less drain
https://www.google.com/search?q=trap...Fn3TjFs4IeM%3A

https://www.google.com/search?q=rv+t..._P5FxOeKE-M%3A


2008 2500hd Duramax
2015 Columbus 320RS
2016 nights camped "0"
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Yamaha 3000iseb generator:Progressive Ind. EMS-HW30C : Eastern Ontario
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Old 04-24-2016, 03:57 PM   #5
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very popular mod item in the small fiberglass trailer world, in a Casita it replaces the shower p-trap which is underneath and exposed to the elements,....... one less area to worry about freezing, ......plus they have a valve to close to prevent gray water splashback when traveling, the design of this valve also prevents that from happening...,....I've been told that Casita has started installing it at the factory now...............
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Old 04-24-2016, 03:58 PM   #6
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Thanks TURBS!
Didn't know such a thing existed.
There isn't a p-trap under the sink, so I assumed they had buried it in the cabinet somewhere. I can vouch that it works, we've never had any smell from the drains.
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Old 04-25-2016, 01:32 PM   #7
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I would love to know what's inside this thing. My first reaction is that it could get clogged up with hair or slime, making it ineffective.

Anyone know how it works inside?
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Old 04-25-2016, 01:38 PM   #8
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google

There are a couple of informative videos on youtube. Supposed to not clog even with a single hair.
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Old 04-25-2016, 09:27 PM   #9
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Originally Posted by MOODMAN View Post
I would love to know what's inside this thing. My first reaction is that it could get clogged up with hair or slime, making it ineffective.

Anyone know how it works inside?
here are the two youtube videos that Navigator mentioned,......



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Old 04-26-2016, 12:03 PM   #10
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Quote:
Originally Posted by Kenrod View Post
It's in the bath sink drain line. With the pics I can now tell it's directional.
But I have no idea what it is or what it's for.
Anyone know what it is? Thanks.
Cool. I learned something new, like most days on here. Thank you.

Point. It usually helps us if you post year make and model of your unit.
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