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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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C
Proper Way to Drain Condensate Discharge into Sewer Line
charistomay
Nov 25, 2012
Replies
5
Views
40K
Nov 28, 2012
charistomay
C
Drain line in exterior wall?
MTcummins
Nov 18, 2011
Replies
11
Views
37K
Nov 19, 2011
Jadnashua
Increase Height of Sink Drain for Vessel Sink
Mccallum
May 7, 2016
Replies
11
Views
22K
Sep 1, 2022
Tuttles Revenge
Redesigning plumbing for 2 bathrooms directly above each other in house
Makesumwake
Feb 18, 2017
Replies
5
Views
21K
Feb 27, 2017
Makesumwake
Distance From Rim Of Toilet To Obstruction - Does That Include The Arc Of The Door?
Bluegrass Picker
Jan 21, 2014
Replies
9
Views
21K
Mar 30, 2014
Suceress
Wondering why is no air gap required for a washing machine?
Reach4
Jun 5, 2015
Replies
11
Views
19K
Jun 13, 2015
DonL
Underground Natural Gas Piping?
Murphy625
Nov 20, 2013
Replies
15
Views
19K
Dec 1, 2013
Murphy625
Gas pipe (black) under high deck
RinconVTR
Nov 20, 2010
Replies
7
Views
18K
Dec 20, 2010
RinconVTR
Left / Right Couplings & gas runs -- problems? gotchas?
Speede541
Feb 1, 2015
Replies
7
Views
16K
Feb 4, 2015
hj
Double vanity rough in
Alexpeter357
Nov 5, 2020
Replies
13
Views
16K
Jan 7, 2023
John Gayewski
Max length on flexible/braided faucet supply line?
Bucky
Aug 26, 2012
Replies
4
Views
14K
Sep 10, 2012
Bucky
Washer Machine Outlet Box Plumbing
Andrewkay
Aug 6, 2020
Replies
4
Views
13K
Aug 10, 2020
Jeff H Young
Drain Box Outlet Layout..
Rsaybe
Mar 5, 2022
2
Replies
20
Views
13K
Mar 13, 2022
John Gayewski
Is there a code requirement for distance between fittings?
b_ballard
Apr 15, 2020
Replies
9
Views
13K
May 13, 2020
Jeff H Young
Double sink vanity with 1.5 inch pipe
Robert Lehman
Aug 10, 2020
Replies
5
Views
13K
Mar 8, 2021
Terry
Fixing DWV in bathroom
admantechno
Jan 12, 2012
Replies
13
Views
12K
Mar 19, 2012
admantechno
Moving bathroom to other side of my house ?
kevin705
Feb 17, 2012
Replies
9
Views
12K
Feb 18, 2012
Dlarrivee
Distance between toilet and soil stack and venting
NewPlumbingStudent
May 2, 2021
Replies
6
Views
12K
May 4, 2021
NewPlumbingStudent
WC venting alternatives
Earl001
May 9, 2011
Replies
11
Views
11K
May 11, 2011
Cacher_Chick
What should be min distance between bathtub outer wall and vanity ?
Curiousv
Apr 11, 2022
Replies
9
Views
11K
Apr 15, 2022
John Gayewski
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