Size of vent

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Size of vent
Author: Shilo (NJ) [drive.google.com] Hi Is the system in the picture is according nj code? Also it that ok to switch the vent size from 2" to 1-1/2" ? Thanks Shilo
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Re: Size of vent
Author: packy (MA) i hope you haven't glued any of that. try a drawing of what you plan to do. not much of what you have there makes any sense nor is even close to being plumbed correctly. no sanitary tees on a horizontal drain. no two way fittings with water draining in from both sides.
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Re: Size of vent
Author: Shilo (NJ) Hi Thanks on your answer . I didn't glue it yet. That what I need to do : [drive.google.com] This is my new schame is it complet with the code? [drive.google.com] Also can I us 1-1/2 vent ? Thanks Shilo Edited 1 times.
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Re: Size of vent

Author: North Carolina Plumber (NC)

You can use 1 1/2" vent on the shower, the other needs to be 2". You can eliminate the vent you have drawn in downstream of the toilet to the left side, it's not needed. Use the 2" vent there at the sink to wet vent the toilet. The shower vent is still incorrect as you can't have a dry horizontal vent below the floor. If you have room you can turn a long sweep 90 up, then stand a tee atop the 90 to catch the shower trap, and continue on up with the vent.

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Re: Size of vent
Author: Shilo (NJ) Hi Thanks on your answer I anderstand that I can take out the left side of the WC : [drive.google.com] About the shower venting ,do you mean for this?: [drive.google.com] If not , can you add a picture? Thanks Shilo Edited 1 times.
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Re: Size of vent
Author: packy (MA) just put the "Y" for the shower vent back where you have a seperation in the pipes. face it up and put a 90 right in it aiming where you want.
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Re: Size of vent
Author: Shilo (NJ) Now I'm good? [drive.google.com]
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Re: Size of vent
Author: North Carolina Plumber (NC) Back behind the toilet, you only need 1 vertical pipe, put a tee in the vertical section for the sink trap. Use a long sweep 90 to turn up with.
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Re: Size of vent
Author: Shilo (NJ) Thanks again, Just to verify that I understood you I'm adding a new picture [drive.google.com] Please let me know if I have any mistake Thanks Shilo
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Re: Size of vent
Author: packy (MA) I don't see any mistakes. good to go...
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Thanks so much... For all of you.
Author: Shilo (NJ) Thanks so much... For all of you Edited 1 times.
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