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Plumbing Code Questions
Questions concerning specific Codes
UPC Plumbing Code Questions
Uniform Plumbing Code
Threads
215
Messages
1.2K
Threads
215
Messages
1.2K
Toilet Venting when the toilet is next to the edge of concrete slab where DWV exits from the building and the from toilet is close to the horizontal
Jun 26, 2025
Breplum
IPC Plumbing Code Questions
International Plumbing Code
Threads
168
Messages
980
Threads
168
Messages
980
T
DWV Layout - complete bathroom reno
Mar 13, 2025
Tether
NSPC Plumbing Code Questions
Questions about the National Standard Plumbing Code
Threads
15
Messages
102
Threads
15
Messages
102
M
NSPC (NJ) Horizontal vent under basement slab legal?
Mar 10, 2025
Milwaukeexdz
Illinois Plumbing Code Questions
Threads
68
Messages
390
Threads
68
Messages
390
Plastic p-traps OK in Chicago hi-rise condo?
May 18, 2025
Brian Jordan
Canadian Plumbing Code Questions
Canadian Plumbing Code
Threads
218
Messages
1.1K
Threads
218
Messages
1.1K
Clarify DWV best practices
Jun 14, 2025
Jeff H Young
Massachusetts Plumbing and Gas Code
Questions and answers for Massachusetts plumbing code.
Threads
18
Messages
98
Threads
18
Messages
98
L
Massachusetts Plumbing and Gas Code
Jun 14, 2025
LPHRON
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Washer Rough, A quick check if I am on the right path.
Michael P Reilly
Dec 22, 2021
2
Replies
38
Views
11K
Mar 1, 2024
John Gayewski
Exploding Water Heaters -- Traps Going Up - IPC IAMPO
TheOverThinker
Aug 28, 2020
2
Replies
29
Views
7K
Jan 15, 2021
Tuttles Revenge
Attaching an ABS P-trap to an ABS Wye Horizontally or Vertically
Victor Kernes
Dec 8, 2021
2
Replies
28
Views
6K
Dec 10, 2021
Jeff H Young
This doesn't look right, but I think it meets code?
ADK_MechETech
Apr 3, 2021
2
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27
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5K
May 7, 2021
Jeff H Young
Siphons on drains
Dwitting87
Feb 23, 2017
2
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22
Views
10K
Mar 1, 2017
Putin the Plumber
Drain Box Outlet Layout..
Rsaybe
Mar 5, 2022
2
Replies
20
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13K
Mar 13, 2022
John Gayewski
WI - Parts list correct? Does this plan make sense?
William Powell
Mar 29, 2021
Replies
16
Views
2K
Apr 2, 2021
William Powell
Can I use a specialty CPVC fitting in a DWV application?
Makemenuconfig
Aug 18, 2022
Replies
16
Views
3K
Sep 3, 2022
Jeff H Young
do my sketches look up to code? or "good enough" persay....
Christopher Fornshil
May 8, 2018
Replies
16
Views
3K
May 28, 2018
Christopher Fornshil
Adding second floor bathroom, is this vent diagram ok?
Cserman
Nov 18, 2022
Replies
16
Views
11K
Mar 23, 2025
bxy
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Underground Natural Gas Piping?
Murphy625
Nov 20, 2013
Replies
15
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19K
Dec 1, 2013
Murphy625
Bathroom Plumbing Code Question
r_ventura_23
Apr 24, 2014
Replies
15
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6K
May 1, 2014
r_ventura_23
Bathtub / Toilet Vent Question
Philwgreen
Jan 21, 2015
Replies
14
Views
8K
Jun 5, 2016
Terry
Peninsula venting in level counter
knickema
Jul 13, 2017
Replies
14
Views
6K
Jul 13, 2017
Terry
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Can Branch Vents Span Multiple Floors in Wisconsin?
FalconTime
May 19, 2023
Replies
14
Views
3K
May 26, 2023
Jeff H Young
Is this code compliant?
zer0123
May 17, 2023
Replies
13
Views
2K
May 18, 2023
John Gayewski
Double vanity rough in
Alexpeter357
Nov 5, 2020
Replies
13
Views
16K
Jan 7, 2023
John Gayewski
Bathroom wet vent question
Mycorrado
Jan 17, 2021
Replies
13
Views
2K
Jan 19, 2021
wwhitney
Fixing DWV in bathroom
admantechno
Jan 12, 2012
Replies
13
Views
12K
Mar 19, 2012
admantechno
Double vanity and laundry in 2" PVC
Alfred
Dec 30, 2020
Replies
12
Views
4K
Jan 8, 2021
wwhitney
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