advice on 2inch washer drain pipe


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Old 03-06-05, 02:31 PM
L
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advice on 2inch washer drain pipe

im getting ready to move my laundry room to main floor in my house; i originally thought i had a 1 1/2 inch kitchen drain to tap into.upon inspection in the drain pipe is 2inch pvc ,which is definetly better...my question is i will be installing a oatley washer machine outlet box with drain.....im going to mount the box 42 inches from the floor,run a 18in long piece pvc from the outlet box to the a trap then down and connect into kitchen sink drain....this will all be behind drywall when im done.........my problem is i bought a air addmitance valve,can it be plumbed behind the wall ...originally i was going to use a slop sink thinking the drain line was only 1 1/2 inch ,and the aav would have been plumber behind the slop sink,not in the wall...i got advice not to worry about a vent being the kitchen sink line is vented already,but reading advice on this forum i think the aa valve is easier enough to do and can only help....just need to know if it will be ok enclosed in the wall,if not i guess im going back to the slop sink route....thanks again for all the help....
 
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Old 03-06-05, 02:48 PM
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just did some research on oatey web page and it states the aa valves can be installed behind drywall,and long as insulation is kept 6 inches away....also they have a aa valve wall vent box....
 
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Old 03-06-05, 02:57 PM
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Check with the code office and see if AAV's are legal in your area. Many areas do not allow them and thats a lot of work to tear out if its not allowed.

Good luck with your project
 
 

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