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03-09-2016, 05:59 PM
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#1
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Senior Member
Join Date: Sep 2013
Location: Wisconsin
Posts: 109
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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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2012 F350 DRW 6.7 PSD
Blue Ridge 3710 BH
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03-09-2016, 06:05 PM
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#2
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Senior Member
Join Date: Sep 2010
Location: Eastern Ontario
Posts: 4,167
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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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Fonzie
2011 Rockwood 8319SS with ProPride 3P hitch/GoodYear Marathons/TST TPMS 507
2019 F350 Ruby Red 6.7l diesel 3.31 axle electronic locker
Yamaha 3000iseb generator:Progressive Ind. EMS-HW30C : Eastern Ontario
Nights Camped: 2014 (18) 2015 (18) 2016 (36) 2017 (32) 2018 (42) 2019 (28) 2020 (35)
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03-09-2016, 06:19 PM
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#3
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Senior Member
Join Date: Sep 2013
Location: Wisconsin
Posts: 109
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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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2012 F350 DRW 6.7 PSD
Blue Ridge 3710 BH
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03-09-2016, 07:06 PM
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#4
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Left Coast
Join Date: Dec 2014
Location: vancouver,washington
Posts: 15,649
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Using the correct glue...
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03-09-2016, 07:14 PM
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#5
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Senior Member
Join Date: Sep 2010
Location: Eastern Ontario
Posts: 4,167
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Quote:
Originally Posted by bob caldwell
Using the correct glue...
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x2
http://www.oatey.com/products/plasti...n-green-cement
__________________
Fonzie
2011 Rockwood 8319SS with ProPride 3P hitch/GoodYear Marathons/TST TPMS 507
2019 F350 Ruby Red 6.7l diesel 3.31 axle electronic locker
Yamaha 3000iseb generator:Progressive Ind. EMS-HW30C : Eastern Ontario
Nights Camped: 2014 (18) 2015 (18) 2016 (36) 2017 (32) 2018 (42) 2019 (28) 2020 (35)
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03-09-2016, 07:21 PM
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#6
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Senior Member
Join Date: Jul 2015
Posts: 7,053
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Quote:
Originally Posted by bob caldwell
Using the correct glue...
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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.
Bruce
__________________
2016 Rockwood Windjammer 3029W Diamond Edition
2015 Chevy 3500HD LTZ 6.0 Crew Cab 4x4 Long Bed 4.10:1 SRW
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03-09-2016, 07:23 PM
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#7
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Senior Member
Join Date: Sep 2010
Location: Eastern Ontario
Posts: 4,167
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__________________
Fonzie
2011 Rockwood 8319SS with ProPride 3P hitch/GoodYear Marathons/TST TPMS 507
2019 F350 Ruby Red 6.7l diesel 3.31 axle electronic locker
Yamaha 3000iseb generator:Progressive Ind. EMS-HW30C : Eastern Ontario
Nights Camped: 2014 (18) 2015 (18) 2016 (36) 2017 (32) 2018 (42) 2019 (28) 2020 (35)
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03-09-2016, 07:25 PM
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#8
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Senior Member
Join Date: Jul 2015
Posts: 7,053
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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
__________________
2016 Rockwood Windjammer 3029W Diamond Edition
2015 Chevy 3500HD LTZ 6.0 Crew Cab 4x4 Long Bed 4.10:1 SRW
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03-09-2016, 07:27 PM
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#9
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Senior Member
Join Date: Jul 2015
Posts: 7,053
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Quote:
Originally Posted by fonzie
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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
__________________
2016 Rockwood Windjammer 3029W Diamond Edition
2015 Chevy 3500HD LTZ 6.0 Crew Cab 4x4 Long Bed 4.10:1 SRW
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03-09-2016, 07:27 PM
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#10
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Senior Member
Join Date: Jul 2010
Posts: 2,031
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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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Terry and Janet
2008 3001W Windjammer
2007 Ford F150
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03-09-2016, 07:32 PM
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#11
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Senior Member
Join Date: Mar 2013
Location: Canada
Posts: 516
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I believe there is a transition glue you can use for abs to pvc.
2012 F150 FX4 Crew 5.0 3.73
2012Coachman Freedom Express 292BHDS (outdoor Kitchen)
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03-09-2016, 07:33 PM
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#12
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Senior Member
Join Date: Jul 2015
Posts: 7,053
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Quote:
Originally Posted by garmford
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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Ive never seen a female air admittance valve. What you are seeing at the store in the packaging is a female pipe adapter slid over the threads of the male air admittance valve. When you open the package, throw away the female adapter and thread the new male air admittance valve into the female adapter under your sink.
Bruce
__________________
2016 Rockwood Windjammer 3029W Diamond Edition
2015 Chevy 3500HD LTZ 6.0 Crew Cab 4x4 Long Bed 4.10:1 SRW
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03-09-2016, 07:36 PM
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#13
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Senior Member
Join Date: Jul 2015
Posts: 7,053
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Quote:
Originally Posted by Scubanut
I believe there is a transition glue you can use for abs to pvc. Attachment 101490
2012 F150 FX4 Crew 5.0 3.73
2012Coachman Freedom Express 292BHDS (outdoor Kitchen)
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Show me who approves it for use other than ASTM. Which engineering entity and which plumbing code? It must conform to ASTM D-2564, I believe.
Bruce
__________________
2016 Rockwood Windjammer 3029W Diamond Edition
2015 Chevy 3500HD LTZ 6.0 Crew Cab 4x4 Long Bed 4.10:1 SRW
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03-09-2016, 07:37 PM
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#14
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Senior Member
Join Date: Sep 2013
Location: Wisconsin
Posts: 109
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I'd like to use a studor or oatey. I can use a nipple under the kitchen sink fore sure. The vent under the vanity in the rear bath is tight. There's only a 1/2" from the top of the vent to the bottom of the countertop. Barely enough room to unscrew the vent and get it out. That's why I would like to cut that pipe down alittle but. Nomad, do you think that vent needs to be a certain distance higher than the trap to work properly?
Sent from my iPhone using Forest River Forums
__________________
2012 F350 DRW 6.7 PSD
Blue Ridge 3710 BH
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03-09-2016, 07:37 PM
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#15
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Dawg Fan
Join Date: Dec 2015
Location: Loganville
Posts: 10
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Garmford, you can use Oatey all purpose glue and be fine. You do not need to use a mechanical joint. Can be found at any home store.
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03-09-2016, 07:37 PM
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#16
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Left Coast
Join Date: Dec 2014
Location: vancouver,washington
Posts: 15,649
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Quote:
Originally Posted by Scubanut
I believe there is a transition glue you can use for abs to pvc. Attachment 101490
2012 F150 FX4 Crew 5.0 3.73
2012Coachman Freedom Express 292BHDS (outdoor Kitchen)
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X2!
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03-09-2016, 07:43 PM
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#17
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Senior Member
Join Date: Sep 2013
Location: Wisconsin
Posts: 109
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Quote:
Originally Posted by nomad297
Ive never seen a female air admittance valve. What you are seeing at the store in the packaging is a female pipe adapter slid over the threads of the male air admittance valve. When you open the package, throw away the female adapter and thread the new male air admittance valve into the female adapter under your sink.
Bruce
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You're right Bruce, but the male threaded end is 2". If memory serves me correctly. I bought one while camping last year thinking it was going to be an easy fix. It didn't match up.
Sent from my iPhone using Forest River Forums
__________________
2012 F350 DRW 6.7 PSD
Blue Ridge 3710 BH
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03-09-2016, 08:48 PM
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#18
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Member
Join Date: Mar 2016
Posts: 41
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I'm a plumber had the damp problem. Took the vent out and threaded a cap in worked fine all summer. You will never have enough flow through the sink to cause any problems besides if you do thread it out. Best way to convert from abs to pvc is a rubber coupling.
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03-09-2016, 10:57 PM
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#19
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Senior Member
Join Date: Dec 2010
Location: East Berlin
Posts: 734
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Agree that was going to be my suggestion. Cut pipe down a bit use a Fernco to switch to PVC and install the admittance valve. 15 minute job.
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