Drain waste vent system

learn more… | top users | synonyms (1)

0
votes
2answers
47 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
85 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 ...
2
votes
2answers
266 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 ...
4
votes
6answers
7k 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 ...
5
votes
3answers
201 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 ...
6
votes
1answer
605 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
72 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
40 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
60 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
11 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
53 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
78 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
368 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
10k 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
254 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
2k 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
301 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
160 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
5k 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
901 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
314 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
429 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, ...
3
votes
1answer
373 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
0answers
145 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
167 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
203 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
128 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
12k 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
6k 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
1k 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
1k 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
10k 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
430 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 ...
2
votes
1answer
816 views

Why is my toilet bubbling?

Last night while my washing machine and sink in the master bath was running, my master toilet started having air bubbles come up. Then this morning while I was showering I heard bubbles again, and ...
5
votes
3answers
2k views

Why does water and gunk back up through the overflow hole in the bathroom sink?

When I run the water in my bathroom faucet it sometimes (but not all the time) slowly starts to creep up the overflow hole and pour back into the sink. Included with the water is black and grey gunk. ...
3
votes
2answers
2k views

How to fix broken toilet flange from over tightened bolt?

I broke my PVC toilet flange when I over-tightened the bolt used to secure the toilet to the flange. How do I fix this without replacing the entire the PVC fitting? This PVC flange is glued to the ...
4
votes
2answers
623 views

How can I replace this unusual kitchen sink drain pipe?

I'm trying to replace a broken 1-1/2 inch L-shaped brass pipe under my kitchen sink, as in this picture: At one end, it's connected to the sink drain, which if I'm understanding the terminology ...
2
votes
1answer
1k views

Do I need to add a vent when moving a toilet drain across the bathroom?

In working on finishing our basement, I've come to the bathroom. It was originally plumbed with the plan of having the fixtures share a common wall (vanity, toilet, then tub). so there is already a ...
2
votes
1answer
266 views

Is this water heater drain configuration safe?

I've just replaced my water heater and for the first time my house has a water heater drain pan. The washing machine waste line is nearby and I'd like to connect the water heater drain pan to this ...
4
votes
4answers
13k views

What is the best quick repair for a drain pipe?

In particular, a cast iron drain pipe. It doesn't have to be pretty, but needs to be effective and should last until it can be fixed properly.
4
votes
3answers
13k views

Why are there bubbles in my bathroom toilet and sink?

I have had a lot of really odd things happen in my bathroom this weekend and I want to make sure it is nothing too serious. Ok so when I was taking a shower I heard the toilet bubble up. A few ...
3
votes
1answer
279 views

Can I use the original drain line after I move my washing machine twenty feet away?

I currently have a washing machine and dryer in the basement and wish to move them both upstairs. I can tap into the same drain line, but it will be about 20' from the old p-trap. Should I install a ...
3
votes
2answers
2k views

What would cause a kitchen sink to drain very slowly?

I snaked my kitchen sink drain to the end of my 20' snake so I know there is no clog for 20'. When I run water into the sink it starts to fill up immediately - not enough time to fill 20' of pipe. ...
4
votes
2answers
807 views

Do I need a vent on this emergency drain?

Code allows the use of a wet vent for the bathroom group which in my case is a sink, toilet, and shower drain. About 10-15 feet down stream of this group I have a washing machine drain with its own ...
2
votes
1answer
238 views

Why did my tub drain start running slowly after going unused for a little while?

I recently moved into a new apartment and quickly found that the tub drain ran pretty slowly. I wasn't able to fix it myself, so eventually a plumber came in and fixed things up — the drain ran great ...
5
votes
1answer
300 views

Should I use glue or o-ring joints on a buried PVC waste pipe?

What are the advantages and disadvantages of both systems of joints for "non-pressure" pipes that are buried? O-ring joints are more expensive, but easier to do on buried pipes. Glue on the other ...
4
votes
2answers
177 views

What could cause poor drainage in the kitchen and baths?

After having my septic system (tank) cleaned about a month ago, I've noticed a foul odor in the bathroom of the master bedroom. I've also noticed the smell outside near the master bedroom. It's not ...
3
votes
1answer
39k views

What could cause bubbling toilet when the shower or sink is running?

One of the two toilets in my rental house is bubbling when the shower or sink in that master bath area are on. In the past, about 6 months ago, I have had plumbers and rotoruter out and they could ...