Drain waste vent system

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4
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2answers
143 views

House has no plumbing vent — is this a solution?

I've been living in a fixer-upper for a while... I've been fixing a lot that was previously done wrong. I've finally gotten around to ripping out our first floor bathroom (two full bathrooms) and ...
1
vote
2answers
501 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. Going ...
2
votes
2answers
67 views

combo tee vs. tee wye

I saw on wikipedia a mention of "combo tee" and "tee wye" is there a difference or are they the same? I've also heard of something called a "sweep" or "long sweep" is that related here?
3
votes
4answers
32k 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 ...
5
votes
5answers
860 views

Why do I have a vent stack if none of my fixtures are vented?

As far as I can tell, none of my plumbing fixtures are vented. I have a double-sink in the kitchen, but no vent pipe. My washroom (photo here) similarly has an s-trap. Same thing on my washing machine ...
0
votes
1answer
289 views

How vent bathtub trap when drain is routed under tub, directly away from best vent location?

I am … very slowly … thinking about replacing the probably circa 1950's galvanized steel drain pipes in my basement with PVC. In particular, I would like to replace the drain line under ...
6
votes
1answer
7k views

How can I lengthen my vent stack and are there any negative effects in doing so?

I have observed that when we receive a lot of snow here in Ontario, at least one of the drain vents on my roof is covered by snow. While after one winter in the house I have not yet observed any ...
8
votes
2answers
8k views

Does a plumbing vent need to penetrate the roof? (Can it penetrate a wall?)

We're going to move our washer/dryer to the garage (the front loader needs to sit on concrete to keep it from shaking our house to the ground). I'll need to add a washer drain to the garage for the ...
1
vote
1answer
48 views

Pre-made rain cap for plumbing vent? (Preventing rust-through of galvanized pipe in the walls)

Are pre-made rain caps made for plumbing waste vents? My house was built 1938 with galvanized DWV pipes which have a series of elbows before reaching the roof. All such elbows retain a certain amount ...
4
votes
2answers
90 views

Repairing leaking DWV vertical 3" thin wall PVC

While painting, my wife discovered some mold on top of the baseboards, and being curious I investigated. What I found pulling the baseboards is they were covered in black mold on the backside, as well ...
3
votes
4answers
880 views

Toilet gurgling when another one is flushing: 6-way joint

I have 2 adjacent bathrooms, with toilets opposite of each other. I recently upgraded one older toiled that took a minute to flush with 3.5 gallons of water to 1.2 GPF model with "aquapiston" ...
0
votes
1answer
28 views

Bathroom sink occassionally backs up into tub

My bathroom sink and tub are directly adjacent. The tub drain appears to connect to the sink drain line. Photos follow. Under normal use, there is no problem and both the sink and tub seem to work ...
3
votes
1answer
21 views

fixing lead boot on waste vent

The lead boot around the waste vent has worn away. I have no idea how it happened, but I need to fix it. I was thinking of just buying another boot, cutting the bottom off, cutting the top of the ...
0
votes
0answers
32 views

Water level in kitchen sink drains is too high

The water level in both kitchen sink drains is close to the top. I can use the garbage disposal and other drain and the water drains out quickly but backs up slightly when the opposite drain is used ...
1
vote
2answers
67 views

Manifold all vent pipes in attic to have one pipe into roof

I'm building a new house, 2 1/2 baths, laundry room & kitchen. What size vent pipe would be needed to manifold all vents into one?
0
votes
1answer
69 views

Toilet Still Gurgling

Three months ago when we moved into our home, the toilet started gurgling so we had septic tank pumped, and drainline from house to septic cleaned out. Two months ago, happened again, so we tried a ...
1
vote
2answers
83 views

Tub drains very slow

I've been trying to fix a extremely slow draining bath tub for awhile, but still can't get it right. Here is the work that's been done: Ran 25 feet of cable from a power snake (drill powered) 3x's. ...
1
vote
1answer
43 views

Unclogging bathtub with an external tower drain

I have a clog in my bathtub. There is no visible overflow and it has an external tower drain. When I try to snake through the tub drain the snake comes up the external tower. Do I need to remove the ...
4
votes
3answers
6k 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 PVC fitting? This PVC flange is glued to the drain ...
7
votes
4answers
37k 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 ...
2
votes
2answers
747 views

Covering / Cap over DWV vent pipe

I've eliminated a DWV vent pipe during a bathroom remodel (consolidated fixtures and went from 2 vents to 1) but I don't want to mess with roof patching/repairing if I were to undo the penetration of ...
0
votes
1answer
56 views

Toilet bubbles and gurgles after capping vent stack

We had a bad wax ring on the toilet so we replaced that, then we decided to replace the toilet with a newer model. Now the toilet doesn't flush right--sometimes we have to flush it a couples of times ...
14
votes
3answers
16k views

How do I replace this cast iron toilet flange?

I have a big old gawd awful cast iron (at least I think it's cast iron, the house was built in 1940) toilet flange that is in sorry shape. See? There will never be a better time to replace it - as ...
0
votes
2answers
491 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
95 views

How to plumb a washing machine 30 ft from the waste stack?

I would like to install a washing machine in my basement, about 30 feet from the main waste stack. The stack is fully accessible and already has a capped 2" port about 8" above the concrete floor. ...
1
vote
2answers
43 views

Is there a required spacing between waste vent line and chimney?

This question seeks answers with one of the following as supporting evidence: International standards, other standards widely recognized in multiple areas of the United States, or sound building and ...
4
votes
3answers
80k 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 ...
2
votes
1answer
80 views

What's the right way to clear a vent pipe?

There have been a number of answers pointing out that draining problems may be a blocked vent pipe rather than a clog in the drain per se. But I don't think there's been a clear answer on whether ...
2
votes
0answers
54 views

What's so bad about single stack DWV systems?

We're in a region which allows single stack DWV installations in multi-storey buildings. In other words, a single large-diameter vertical pipe that serves as both discharge stack and vent for several ...
0
votes
1answer
85 views

What is the Pressure Number (PN) of Shedule 40 and Schedule 80 PVC Pipe?

Does anybody know the pressure number (PN) of schedule 40 and schedule 80 PVC pipe commonly sold in the United States and Canada? The PVC in my part of the world is classified by PN number, and I'd ...
2
votes
1answer
44 views

Add drain line to existing Island fixture vent?

In CA, would code allow for a drain line to be tied into the vent line shown at the location of the red arrow below? Single family home. Happy to draw a picture of where that vent lines goes, if ...
0
votes
0answers
9 views

Appropriate vent for 2 toilets [duplicate]

I'm researching the way to properly re-plumb my 2 bathrooms, and trying to figure out the best way. Specific question relates to this section of the code (Illinois 890.1320 l): Branch wastes and ...
0
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0answers
39 views

Is this a proper way to connect main vent?

I'm researching the way to properly re-plumb my 2 bathrooms, and trying to figure out the best way. Specific question relates to this section of the code (Illinois 890.1450 e): All main vents or ...
5
votes
2answers
32k views

Maximum run on drain?

I'm planning a reconfiguration of my basement and want to move both the powder room and w/d to new locations. The powder room would be close enough to the stack not to worry me, but I'm looking at ...
0
votes
0answers
136 views

Back-to-back toilet problem in old house: replumbing to code

I have a 50 year old house, with some outdated plumbing that is causing me problems. (See this for specific problems) And here's the existing connection: I will be doing some bathroom work, and one ...
1
vote
1answer
43 views

External stack pipe

My friend's house is about 100 years old and the cast soil stack is on the outside. Someone smacked it and there is a crack (with leaking) so we need to replace. Can this be replaced with a PVC or ...
2
votes
1answer
170 views

Adding sink fixture to waste stack with existing sink fixture

I'm renovating our basement and I have a waste stack with a roughed in sink fixture trap arm. We are putting a wetbar on the other side of this wall probably around 2' to the left of this waste stack ...
0
votes
0answers
78 views

Bathtub Overflow Works Only After Overflowing Tub

I have a strange problem with a new acrylic tub with a narrow slit overflow line built into the tub. Both the drain and overflow line appear to be clear and the vent stack checks out as well. I'm ...
0
votes
2answers
325 views

What sizes of DWV pipe are commonly used for (very) small residential homes?

One of the DIY projects I sometimes contemplate is replacing the ~45 year old galvanized steel drain pipe in my house with PVC DWV pipe and fittings. There is at least one slow, dipping leak I ...
4
votes
4answers
6k 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
225 views

how do I repair broken pipe under foundation

For a home built in 1965, with broken pipe under foundation, what is status of inserting a stent, perhaps under visualization?
1
vote
2answers
371 views

Is a P-trap required for a shower drain?

I take care of unwanted and abused pets, and occasionally I have to bathe them in a bathtub. Sometimes they go poop and it breaks up in the water so it cannot be scooped out. When this happens, I have ...
1
vote
1answer
302 views

Rerouting a plumbing air vent pipe

We're taking down a section of the wall between our kitchen and living room and we want to drop the 'bar height' down level with the sink. Unfortunately, the bulk of the section we're removing has ...
7
votes
9answers
46k 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 ...
3
votes
4answers
51k 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 ...
3
votes
4answers
2k 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
4answers
12k views

Can I use a PVC cleanout plug in a Cast Iron Cleanout?

There's a cleanout plug on this pipe that I simply can't get loose. I've tried liquid wrench, PB blaster, heating up the area with a torch, everything I can think of. All that's really left is to go ...
1
vote
1answer
5k views

How long can a sink drain be?

I've read that the rule is 1/4" per foot of drain line. From what I know, the rule is based on the height of the P-trap to where you tie in. What part of the P-trap do you measure from? How low can ...
0
votes
1answer
232 views

Bubble of air out of toilet when flushed

When I flush the toilet in the basement there is a big air bubble that comes up the toilet and it then drains slow; if anything else is running it almost overflows. The basement toilet was working ...
8
votes
3answers
9k views

Why is sewage backing up from this outdoor pipe?

I just recently moved into my first house this morning and when I went outside I noticed this: What happened? What should I do? I have no idea what that pipe even is. I don't believe there is a ...