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This sounds like the old riddle "What goes up a chimney down but can't go down a chimney up?" The answer is "an umbrella."

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16y ago
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16y ago

i think it is an umbrella or rain

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13y ago

Umbrella

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Q: What goes up a drain pipe down but not down a drain pipe up?
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What goes up a drain pipe down but not down a drain pipe?

Foul Air


Where does detergent go when it goes down the drain?

The sewer is where all detergent goes when it goes down the drain. Any type of liquids which go down a drain will go into the municipal sewer lines and may end up in treatment plant.


Drain pipe for dishwasher backs up when draining?

If it goes into a garbage disposal, the disposal needs cleaning. If it goes into a tube in the sink drain, check that for plugs. Is the drain hose open all the way, no kinks?


How do you know if you have a p trap?

If you can look under the sink, lavatory, or perhaps in the basement under the washing machine . . . a P trap is the drain pipe coming out of the bottom of the sink, or whatever. If that drain pipe goes down, then curves and goes up again, then goes sideways into the wall, then it is a P trap, so named because it look like the letter P if you hold your head just right and squint a lot. The other common trap is an S trap . . . it's the same as the above, except instead of the drain pipe entering the wall, it curves down, again, and goes down through the floor. Its shape is similar to the letter S, if you hold your head just right yada yada. If the drain pipe goes straight down into the floor or has an elbow, making it go through the wall, then there may be no trap at all. (Maybe: . . . the P trap for my bathtub may be found by tearing into the ceiling on the next floor down . . .)


Do you install a vent line below the p trap?

The drain pipe should have a vent that goes up where the sink drain goes into it. That is where it vents. Sinks drain because there is nothing causing a vacuum when the water leaves the sink.


Why are there holes in the side of the drain pipe of a sink?

They are there so that the water that flows out the overflow skupper runs down and into the drain. When the drain pipe is mounted they end up sealed into the area between the inner and outer bowls of the sink.


Why would upstairs sink have water coming UP through the drain?

A blocked pipe. The water can not go down the pipe, so it comes out in your sink.


What is a plumbing trap?

When the pipe goes down, and back up, and back down again, the first "up-curve" is called the trap because when the water goes down the drain, not all of it goes back up and down again (thanks to gravity). So there is a little bit of water there and it prevents any gas/odors from coming back up the sewer pipe. Provided that the pressure on the sewer-side of the trap does not exceed atmospheric pressure on the drain-side, the water will not get forced back up. Provided that the water is not allowed to evaporate, there will always be water there. And provided that there is enough water such that the top of the inside curve of the up-turn is lower than the top of the trapped water level, the trapped water will seal out the sewer gas.


When washing drain it back up in the kitchen?

Somewhere down the pipe from where the washer and kitchen drain combine, there is a blockage. You will have to find where these join and look further outward for a 'cleanout' plug, then fit a snake down this plughole.


When your washing machine drains there is backflow from the drain pipe that runs down the wall how can you fix this?

The drain is either not high enough or partly clogged. It should be about 36 inches up off floor. Adding a bit of ABS pipe is easy, or run a thin snake down and unclog it.


How can you increase the water flow in a slow sink drain?

Remove whatever is obstructing the drain. -- First, get a bottle of one of the liquid drain openers from any drugstore chain. Follow the directions on the label and see what happens. If the first application doesn't open the drain, do it a second time. If that doesn't do it, then ... -- Assume the obstruction is a solid object stuck in the drain pipe. Look down under the sink for a section of pipe that goes down--up--down. That's the 'trap'; things that fall down the drain are supposed to stay in the trap. There's a big pipe-nut above and below the trap. Loosen both, and drop the trap section out of the pipe. Water and gunk dribble out on you and on the floor. Clean out the trap, re-assemble everything, and see if anything changed. If the drain is still not running, then the clog is farther down, past the trap. There's one more thing you can do if you still want to work on it yourself: -- Borrow or buy a so-called "snake". It's a long, flexible metal thing that can be run down into the drain pipe and rotated, to dig out whatever is stuck way down in the pipe. If you start it at the sink drain, it probably won't be able to make the bends past the trap, so you should open the trap again and feed the snake into the straight pipe below the trap. -- If none of this does the job, it's time to call a plumber.


How does bleach in my home's central air conditioner overflow pipe help?

It kills the bacteria slime that clogs the overflow pipe. If the pipe clogs up the water fills up the drain pain. when it reaches a certain level it shuts the air conditioning down.