Drain waste vent system

learn more… | top users | synonyms (1)

3
votes
1answer
67 views

Persistent sewage smell coming from basement drain

I've recently purchased a house and am now learning all the ins and outs of home maintenance. This summer, I've noticed that I have a very smelly basement drain. Particularly, it smells like sewage. ...
3
votes
1answer
464 views

How do I connect a new trap to an old cast iron pipe?

I replaced a lavatory in the bathroom with a new faucet and new trap, but the old 1-1/4 trap is connected to a cast iron pipe with led through the wall. I cut the old trap out, and I used a 1-1/4 ...
1
vote
1answer
217 views

Installing new soil pipe

I'm moving my bathroom to the adjacent corner in my house, and would like to know if I need to vent my soil pipe with my planed system, before it reaches the existing external soil stack, direct ...
3
votes
5answers
304 views

Sink tailpiece doesn't line up with trap

After installing a new bathroom sink, the drain tailpiece doesn't line up with the trap coming out of the wall. I've seen flexible accordion hoses for this, but I think that violates code ...
3
votes
2answers
351 views

How can I install a washing machine in the kitchen?

i am looking to install only a washing machine (no drier) in my condo under the counter in the kitchen. my brother tried to install it for me but some plumbers advised him not to just hook it up ...
5
votes
3answers
292 views

Do I need vents to devices in the primary waste line?

Assuming the system below (solid is waste, dotted is vent). Do I need vents for the Sink C, Toilet C and Toilet B? They are connected to the primary waste line which is vented at the end of it. Sink ...
2
votes
2answers
93 views

How should I fill in a trench left by replacement of a sewer pipe?

I recently had my main sewer pipe that runs underground to the main pipe replaced, and I left it open for a few days to check everything is okay, and it seems to be. What is the best way to fill the ...
1
vote
1answer
88 views

Sanitary plumbing elbows

As part of a basement remodel, some of the old (1940s) plumbing is being changed around. In order to move some of the waste drain from the side bathroom toilet, there were some 90 degree elbows put ...
1
vote
1answer
60 views

How can I stop this drain pipe from backing up?

In my basement laundry room is (to my knowledge) the only drain pipe in the whole basement, which hooks into the end of the main line as it exits the house and heads to the septic tank. When we moved ...
2
votes
2answers
97 views

What can I do if drain alignment doesn't allow enough space for p-trap?

I'm remodeling my bathroom. The sink drainage come up from the floor. The alignment between that and the drain coming from the sink doesn't have enough space for a p-trap to be installed so it just ...
2
votes
3answers
218 views

Fix lead joint between cast iron and galvanized steel plumbing pipes?

I took out my bathtub to replace a rotted wall behind it, and the drain pipe fell out. (Yes, I unscrewed the drain fitting before removing the tub.) The joint under the concrete slab, where the ...
2
votes
3answers
100 views

How do I patch an in-ground ceramic drain pipe?

So tonight I was digging a post hole for a new fence tonight. And as I'm digging the hole I hear a hollow thump, crack. Behold: This pipe is a downspout drain pipe that runs from the front of my ...
3
votes
4answers
3k views

Can a plumbing vent go “up” and then back “down” to the connection with the vent stack?

I am changing the location of all the fixtures in my bathroom. This move will put the toilet and sink on the opposite wall from the stack. I was originally planning on running a vent up the wall ...
0
votes
1answer
29 views

Change direction between trap and vent

By code, I have 8 feet distance from a 2 inches trap to vent. These 8 feet must be straight? Can I change direction sideways or horizontal (sloped) to vertical and then horizontal again?
4
votes
7answers
10k views

How can I prevent or remedy “bio slime” accumulation in a sink drain?

The drain in the sink which we use for mouthwash consistently gets clogged by a very repugnant slime. I've tried all the common drain unclogging products (Drano, Liquid Plumber) as well as some ...
1
vote
1answer
37 views

Why is my toilet backing up and bubbling after replacing an ejector pump?

About two weeks ago my sewage ejector pump died and had a massive overflow in the basement. I replaced the pump but I am now noticing that the toilet backs up. I am also noticing that when I take a ...
1
vote
1answer
96 views

Can I move this drain line from the wall to the floor?

Here is my kitchen sink drain configuration: (The horizontal run after the trap is actually pitched correctly, not as drawn.) The portions inside the wall are galvanized steel pipe. Under the sink, ...
5
votes
3answers
7k views

Do I need a separate vent stack for my kitchen sink?

The drain line from my kitchen sink drops down through the basement, into the basement floor (Concrete), and I assume under the floor to the main sewer line. The sink tends to drain slowly. Should I ...
1
vote
1answer
134 views

Can vent plumbing be behind a double wye?

I am trying to figure out how to lay out my basement plumbing, and I wanted to use a double wye to connect my shower, toilet, and sink to the existing waste system in the house. My question is, am I ...
0
votes
2answers
62 views

Vent below window

I have a waste vent terminal that will be 2 m below a window (2 storey house). Can I leave this terminal there, or should I extend it above the windows (adding 3.5 m to it and having an ugly pipe on ...
4
votes
2answers
131 views

Graywater overflow plumbing… which design to choose?

I'm working on replumbing my utility room and I'm adding a graywater system. Local codes are remarkably permissive but require an overflow to the sewer/septic system in case of graywater blockage or ...
6
votes
1answer
629 views

Sound proofing a waste pipe

In our (badly designed) flat the upstairs waste pipes run straight through our bedrooms. It's a shame as the outer corridor is right next to our bedroom, so it would have been sensible to put it in ...
1
vote
1answer
133 views

Basement Bathroom Rough-In Configuration

I'm investigating if I can use an existing basement bathroom rough-in as is. To date, everyone I've asked has said the concrete needs to be broken up and the plumbing re-arranged. I think the tub ...
0
votes
1answer
62 views

Prevent future holes in PVC vent pipe in walls

Is there any practice or products out there to help protect a PVC pipe where someone might drill into the wall in the future for hanging stuff or something. I'm considering just using metal piping for ...
4
votes
2answers
109 views

Does my vented septic tank even require traps and vents near the actual fixture connections?

My home has a septic system with a vented lid to let the sewer gasses escape from the tank itself. As a result, it seems like far less gas (if any) would travel up the waste plumbing and exit through ...
0
votes
0answers
19 views

Water softener diposal pipe/field

What is an effective way to dispose of the waste water following regeneration/washing out of a water softener?
0
votes
1answer
74 views

Why is my bathroom drain stinky even after being cleaned out?

My bathroom drain stinks! The smell gets worse after you run the water. My husband cleaned the P-trap and I cleaned the drain itself. I used baking soda and vinegar about a month ago and it worked, ...
1
vote
2answers
114 views

Is it OK to have the kitchen drain and roof vent on the same line?

Can the kitchen drain wet vent be on the same vertical pipe as the air vent going out the 2" roof? I also have a sanitary tee attached on the top that attaches the vent for the washing machine. Just ...
0
votes
1answer
388 views

Why do I hear water running in my bedroom wall when faucets are on or when toilets are flushed?

I've lived in my house for almost 9 years. I recently had my septic tank emptied. I've noticed that about a few weeks after emptying the tank that whenever I flush or when the water is running in the ...
11
votes
8answers
12k views

What can I do about my drains constantly getting blocked?

The one thing I have tried to do about this is use those foaming and non-foaming drain unblockers regularly. That has just been money down the drain, pardon the pun. I suspect that unblockers only ...
0
votes
2answers
311 views

Can I share a stack between two toilets?

I want to put another toilet/bathroom off my bedroom. The main bathroom is next door to the cupboard I want to turn into my new bathroom. What run do I need for the second toilet? The main stack is ...
3
votes
3answers
3k views

Decipher my bathroom rough in

Can someone help me decipher this picture? When I had the house built, the builder roughed in a bathroom for later use. The pipes in this picture are A 2" pipe, possible a vent with a T connector ...
1
vote
3answers
363 views

Question about my sewer stack situation

I just purchased my first home with limited knowledge on many things. At one point my house was outside city limits (using a well and septic) and has since been annexed into the city and brought onto ...
0
votes
0answers
198 views

Why won't my toilet flush?

A sewage pump in my basement is 7 feet from the shower drain and 2 feet from the water closet. The only vent is from the sump pump which runs 20 feet horizontally to an outer wall then goes ...
7
votes
3answers
6k views

Can I vent my bathroom exhaust fan into a plumbing drain vent?

I installed a bathroom fan in the ceiling. My bathroom is in the room right next to the laundry room. The washing machine has the standard drain pipe vent of a pvc pipe venting to the outside ...
3
votes
1answer
1k views

What does a vent stack look like?

Excuse my noob question, but what does a vent stack look like? It's pretty easy to tell which pipes are for waste (I can hear the water running through them), and I'm assuming that all of the pipes ...
2
votes
2answers
497 views

How should I center a light fixture when there's a vent stack in the way?

I've got a wastewater vent stack that is dead-center behind the master bath vanity. (See attached picture.) Previously, there was a single light fixture. You can still see the box, which wasn't ...
5
votes
1answer
7k views

How can I properly vent a basement toilet & shower using an AAV?

When we bought our house the plumbing drains for a basement bathroom were roughed in but they did not install any vent lines for them. We have the first floor plumbing draining into the main stack ...
5
votes
1answer
535 views

Is this an appropriate drain design for adding a shower?

I recently took on the challenge of adding a shower to my existing downstairs bathroom. The bathroom is inside what used to be the garage so it is far away from any existing vents. After some demo, ...
1
vote
0answers
154 views

Is this the vent?

Below is an image below my kitchen. The drain for the sink. I can hear the water run through it Junction Connects to the 3" main drain Is this a vent? I don't hear any water going through it and I ...
2
votes
1answer
231 views

What is the maximum number of connections to pipes?

Does anyone have a table of the maximum number of connections that drain/vent pipes can have for a given size?
2
votes
2answers
223 views

Easy way to seal an old plumbing vent

I plan on buying a house but it has this cleanout and old vent for the plumbing in the basement. Whoever renovated the basement disconnected the vent and just let air flow into the basement. Is ...
1
vote
1answer
161 views

What's the minimum vent diameter required for my drain line?

I'm adding a secondary bar sink in a kitchen area, which will extend the waste pipe to it's farthest length, so I need to put in a waste drain vent pipe up the wall and through the roof. The drain ...
6
votes
3answers
2k views

What could cause my sink to drain slowly?

Sometimes our bathroom sink will drain so slowly (with the water running) that the water will fill it faster than it can drain. However, after shutting the water off and letting it completely ...
1
vote
2answers
15k views

When does an under the sink P-Trap assembly need venting?

In the realm of second homeowner woes, I had a P-Trap assembly under the bathroom sink. It was a strait connection to the pipe connected to the main sewer line. (least I think that was the case) ...
2
votes
1answer
8k views

What causes tub drain to gurgle when toilet flushed?

Recently, the drain in my second floor tub makes a gurgling sound when I flush the toilet, which is located right next to the tub. They are obviously on the same drain line. I know that there is a ...
1
vote
2answers
2k views

How can I reattach a drain pipe that detached under the sink?

Recently, I had a clog in my bathroom sink that I wanted to attempt to fix myself. Believing the clog to be in the P-trap, I bought a pipe wrench, removed the trap, cleaned it out, and attempted to ...
2
votes
4answers
2k views

How do I clear a drain pipe clogged with dried soap?

I think we have a clog of dried soap in our pipes, past the U-bend and down the pipes from upstairs to the drain at ground level. How do I clear them?
2
votes
4answers
12k views

How can I move a toilet sewer drain in a concrete floor?

The toilet in one of my bathrooms is too close to the shower. I have room and would like to move it about 2 feet. It is also a 14" rough-in and it's hard to find toilets in that size, that are not ...
4
votes
1answer
678 views

Is venting a vertical waste line required?

I am putting a bathroom in a section of the house that has a crawlspace under it. The main drain is in the basement area of the house. The soil pipes will run horizontally in the crawlspace, then a ...