1
vote
1answer
70 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
147 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 ...
3
votes
5answers
665 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 ...
0
votes
1answer
30 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?
2
votes
3answers
342 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
2answers
113 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 ...
2
votes
3answers
133 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 ...
1
vote
1answer
117 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, ...
1
vote
1answer
170 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 ...
1
vote
1answer
89 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
162 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 ...
4
votes
2answers
134 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 ...
4
votes
2answers
130 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
1answer
394 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 ...
1
vote
3answers
385 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
211 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 ...
1
vote
2answers
232 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 ...
5
votes
1answer
563 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
475 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
156 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 ...
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 ...
2
votes
1answer
244 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?
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
228 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 ...
3
votes
3answers
386 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 ...
2
votes
1answer
9k 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 ...
4
votes
1answer
755 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
948 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 ...
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?
4
votes
2answers
808 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
308 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 ...
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 ...
4
votes
2answers
1k 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 ...
4
votes
2answers
193 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 ...
4
votes
2answers
862 views

Is this shower trap better than a P-Trap?

Here in Brazil almost all shower and floor drains are made using a device that translate as "siphoned box" and work as a trap collecting water from the sink, tub and shower. Is that any better ...
1
vote
1answer
5k views

Should a kitchen sink S-trap be replaced?

Everything I see mentions P-traps. I seem to have instead an S-trap. What are the downsides of this, and is it something that should be fixed?
5
votes
1answer
1k views

Should second trap under kitchen sink S-trap be there?

My kitchen sink drains through an S-trap immediately below the sink to another trap (a P? a U?) in the basement below. The drain pipe then runs along the wall till it meets the main drain pipe shortly ...
2
votes
1answer
280 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 ...
2
votes
2answers
17k 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) ...
12
votes
2answers
7k 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 ...
1
vote
2answers
3k views

What diameter pipe do I need to adjust this basin waste pipe?

I fitted a new tap and waste outlet to a small basin, because the new outlet is shorter than the old, the plastic pipework no longer reaches (see photo) I can force the parts to mate but I don't like ...
10
votes
4answers
8k views

Do I need a vent for extending a drain to a new bathroom addition?

I am building a new full bathroom on what used to be my back porch. I am planning to extend the existing drain at a cleanout and to run it outside the house underneath the floor. I need to know if I ...
8
votes
3answers
3k 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 ...
2
votes
1answer
196 views

I have two unconnected drain lines in the kitchen. If I start using one, can I just put a stopper on the other?

There is a 3/8" drain line by my refrigerator. I hooked up a reverse osmosis filter to the refrigerator which drains through the 3/8" line. Lo and behold, as soon as it started draining, I discovered ...
4
votes
1answer
3k views

Do waste water pipes for kitchens and bathrooms require a minimum slope to avoid clogging?

When I had a dishwasher installed, the plumber refused to install the waste water pipe horizontally, saying that this would get it to clog all the time. He left a roughly 1:10 slope on it. I thought ...
3
votes
1answer
46k 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 ...
4
votes
1answer
856 views

How can I install a J-Trap for a bathroom sink with limited space?

Well, it was my first difficult handman project and I got this far... Below is a photo of my installation right now. Every single diagram I've seen has the J-Trap facing down. Is there any way ...
1
vote
1answer
1k views

How do I find out if Air Admittance Valves (AAVs) are allowed in my municipality? [closed]

I saw Richard Trethewey of Ask This Old House install an AAV as part of a kitchen island sink system. I thought I might be able to use one for the water line for my washing machine. I'd like to ...
4
votes
3answers
462 views

How do I connect to a dishwasher bushing?

I just bought a new dishwasher for a newly renovated house that I just bought. I am trying to install it myself. My sink drain pipe has one of these sticking out the side above the U pipe thingy like ...