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Old 03-09-2016, 05:59 PM   #1
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RV plumbing pipes

Does the black pvc waste pipes under the sinks of my camper interchange with the white pvc that we use in our houses?

My "pop a vents" under my sinks went bad and I am finding that they are a pain to find and rather expensive to replace(considering what and how their made). I'm looking to redo the plumbing under the sink so I can replace it with a better vent that I can buy from a home improvement store.

Or does anybody have a good website where I could buy new ones for a relatively good price?

Thanks a million!!
Matt
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Old 03-09-2016, 06:05 PM   #2
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is this what you are talking about "air admittance valve"?


Search Results forÂ*air admittance valveÂ*at The Home Depot
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Old 03-09-2016, 06:19 PM   #3
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That's what I'm talking about. The camper has a fixed 1 1/2" female and the admittance valve is 1 1/2" male. The ones I've seen at Home Depot say they are 1 1/2" but they are female if I remember correctly. I've checked menards too. That's why I had the thought of changing the plumbing to accept the valves that I can readily buy from Home Depot.
That leads me back to my original question, does the white pvc work with the black pvc?
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Old 03-09-2016, 07:06 PM   #4
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Using the correct glue...
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Old 03-09-2016, 07:14 PM   #5
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Quote:
Originally Posted by bob caldwell View Post
Using the correct glue...
x2

http://www.oatey.com/products/plasti...n-green-cement
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Old 03-09-2016, 07:21 PM   #6
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Using the correct glue...
There is no correct glue. The black pipe is ABS and the white pipe is PVC. There is no glue made to join the two together. The joining of the two must be mechanical -- threaded, rubber, etc., but no glue. I know this because I am a plumber and have been for over three decades. You can take my answer to the bank.

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Old 03-09-2016, 07:23 PM   #7
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Some of the RV air admittance valve are screwed in......

Shop Keeney Mfg. Co. 1-1/2-in Plastic Mechanical Plumbing Air Admittance Vent at Lowes.com
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Old 03-09-2016, 07:25 PM   #8
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If you want to join a 1-1/2" female ABS fitting to a 1-1/2" PVC female fitting, put a short 1-1/2" galvanized nipple between the two.

Bruce
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Old 03-09-2016, 07:27 PM   #9
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The Keeney valves are junk -- that's why they're in our RVs. Buy one made by Studor or Oatey.

Bruce
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Old 03-09-2016, 07:27 PM   #10
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All plumbing used in a RV is the same as you would use in your home. You can change the plumbing as needed.
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