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  1. #1
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    Replace Garbage Disposal with Regular Piping

    I finally convinced my wife that garbage disposals are horrible once the sewer downstairs puked up two years of food all over the basement floor. So, I want to get rid of the disposal and replace with regular pipes.

    I did a bunch of searching, and all the results were: "take out disposal; replace with pipes; it's easy!" I am sure the work itself is easy--probably easier than all the other plumbing jobs I have done, but...

    --Is the hole in the sink for the disposal the same as a regular sink basket? Or do I a bigger sink basket?
    --Is there a diagram of what the piping should look like so it drains correctly, or do I use common sense and just make sure the water would never have to travel uphill?
    --Do I need a trap under the drain even though there is already a trap, located lower, on the pipe it would connect to?
    --What do I do about the dishwasher hose, which is currently connected to the disposal?

    I tried looking up a generic diagram and found nothing.

    Anyway, I am not looking for basic plumbing advice, as I already have that covered dealing with past oddities of an older home, so I am really just looking for answers to my questions.

  2. #2
    You Know!? For Kids! jsharr's Avatar
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    here is a somewhat detailed link.

    Looks like you will have to find a tail piece to attach to drain basket that has a tee fitting to attach diswasher drain.

    http://plumbing.about.com/od/drains/...e-Disposal.htm
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    Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.

  3. #3
    Caustic Soccer Mom apclassic9's Avatar
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    the hole is usually the same size

    you want to end up with an "S" configuration, and the DW would fit into that... find an old-fashioned hardware store & they will lead you to the right pieces.
    As with mud, life, too, slides by.

  4. #4
    Chepooka StupidlyBrave's Avatar
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    It sounds to me like you have a sewer problem that you won't solve by removing a disposal.

    I'd leave it in, particularly if you have a dishwasher. But do not put food in the dishwasher or in the sink. Scrape it into the garbage. And consider getting your sewer line scoped.

  5. #5
    on by skijor's Avatar
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    I think you just changed my mind on disposals. My soon-to-be new home does not have one but I've found them handy in the past. I'll just start a compost heap. I also don't need/want a dishwasher. I have a left and right one that have worked just fine for 47 years.

  6. #6
    You Know!? For Kids! jsharr's Avatar
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    Quote Originally Posted by skijor View Post
    I think you just changed my mind on disposals. My soon-to-be new home does not have one but I've found them handy in the past. I'll just start a compost heap. I also don't need/want a dishwasher. I have a left and right one that have worked just fine for 47 years.
    Does your house have windows on all sides? If so, You might want to look out them, as there may be kids in your yard that need to be chased off.
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    Quote Originally Posted by colorider View Post
    Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.

  7. #7
    Administrator CbadRider's Avatar
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    Quote Originally Posted by StupidlyBrave View Post
    It sounds to me like you have a sewer problem that you won't solve by removing a disposal.

    I'd leave it in, particularly if you have a dishwasher. But do not put food in the dishwasher or in the sink. Scrape it into the garbage. And consider getting your sewer line scoped.
    I rarely put food down my kitchen sink but it still got clogged from time to time. I started using an enzyme treatment once a month and haven't had any problems since.



    This stuff works better than Draino. The first time I used it my pipes were about 90% clogged, water would fill up in the kitchen sink and then take several minutes to drain. I poured this stuff down the sink and also in the drain access outside my house and waited. Several hours later, the drain was running clear again.
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  8. #8
    on by skijor's Avatar
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    Quote Originally Posted by jsharr View Post
    Does your house have windows on all sides? If so, You might want to look out them, as there may be kids in your yard that need to be chased off.
    What is your weapon of choice for such a task?

  9. #9
    You Know!? For Kids! jsharr's Avatar
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    Quote Originally Posted by skijor View Post
    What is your weapon of choice for such a task?
    My winning personality and chiseled visage.
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    Quote Originally Posted by colorider View Post
    Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.

  10. #10
    on by skijor's Avatar
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    Quote Originally Posted by jsharr View Post
    My winning personality and chiseled visage and the garden hose.
    fixed

  11. #11
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    Quote Originally Posted by StupidlyBrave View Post
    I'd leave it in, particularly if you have a dishwasher. But do not put food in the dishwasher or in the sink. Scrape it into the garbage. And consider getting your sewer line scoped.
    Sewer line is brand new but was scoped anyway. It was perfectly clean. Checked the drain line from the kitchen sink with the sewer guy and even more food came up. All food from that one line. It was lovely.

  12. #12
    You Know!? For Kids! jsharr's Avatar
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    Even though we have a disposal, we scrape all our dishes first and only use the disposal when absolutely necessary.
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    Quote Originally Posted by colorider View Post
    Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.

  13. #13
    Senior Member himespau's Avatar
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    Quote Originally Posted by jsharr View Post
    Even though we have a disposal, we scrape all our dishes first and only use the disposal when absolutely necessary.
    I wish I could convince my wife this was the right way to do things. Instead, egg shells, banana peels, fat trimmed from uncooked meat, food left on plates after dinner, etc. all goes down there. Any good arguments I can give her to stop it?
    Punctuation is important. It's the difference between "I helped my uncle, Jack, off a horse" and "I helped my uncle Jack off a horse"


  14. #14
    You Know!? For Kids! jsharr's Avatar
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    Quote Originally Posted by himespau View Post
    I wish I could convince my wife this was the right way to do things. Instead, egg shells, banana peels, fat trimmed from uncooked meat, food left on plates after dinner, etc. all goes down there. Any good arguments I can give her to stop it?
    The plumbers bill? Environmental impact of all that stuff in the water supply?
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    Quote Originally Posted by colorider View Post
    Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.

  15. #15
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    Quote Originally Posted by himespau View Post
    I wish I could convince my wife this was the right way to do things. Instead, egg shells, banana peels, fat trimmed from uncooked meat, food left on plates after dinner, etc. all goes down there. Any good arguments I can give her to stop it?
    Plug up the pipes with some of that trimmed fat... and then wait until it causes a problem, on her watch. Then clear the problem and point to the issue and suggest that use of the disposal should be minimized. (you can do this at the "elbow")

    Even if you don't do this on your own, there is a good chance it will occur anyway... and likely be expensive to fix.

  16. #16
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    Caustic soda drain cleaner will open anything.

    Disposals suck in the long run.Use the trash can or start a pig pen for table scraps in the back yard.

    We all like Minn. maple bacon!
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    --Is the hole in the sink for the disposal the same as a regular sink basket? Or do I a bigger sink basket? A standard basket kit will work fine

    --Is there a diagram of what the piping should look like so it drains correctly, or do I use common sense and just make sure the water would never have to travel uphill? Common sense. You know which way the water drains right?

    --Do I need a trap under the drain even though there is already a trap, located lower, on the pipe it would connect to?No, 1 trap

    --What do I do about the dishwasher hose, which is currently connected to the disposal? You may have to do a little more abs work than you think. There is an adapter for the d/w hose that caps either a 1 1/2 waste line or 2 inch.


    That said, your problem is somewhere else downline. The plumber may have said it isn't. That just means he didn't find it. He is wrong.


    This is what you should be looking at.. note the small diameter adapter between the two sink drains for the d/w. You want it angled toward the waste pipe. The adapter has a knock out disk in it. Do that before you glue it all together.
    Last edited by jdon; 10-11-12 at 08:06 PM.

  18. #18
    Pwnerer Wordbiker's Avatar
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    This shirt may help.

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  19. #19
    Senior Member mikeybikes's Avatar
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    If you have food coming up the drain, it isn't the garbage disposal's fault.
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  20. #20
    on by skijor's Avatar
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    Quote Originally Posted by himespau View Post
    I wish I could convince my wife this was the right way to do things. Instead, egg shells, banana peels, fat trimmed from uncooked meat, food left on plates after dinner, etc. all goes down there. Any good arguments I can give her to stop it?
    Quote Originally Posted by jsharr View Post
    The plumbers bill? Environmental impact of all that stuff in the water supply?
    Actually, those materials are easily handled by sewerage treatment facilities. It's the mishmash of chemicals (who knows why some people would pour paint thinner, motor oil, etc down the drain?)

    Quote Originally Posted by StupidlyBrave View Post
    It sounds to me like you have a sewer problem that you won't solve by removing a disposal.

    I'd leave it in, particularly if you have a dishwasher. But do not put food in the dishwasher or in the sink. Scrape it into the garbage. And consider getting your sewer line scoped.
    This. Has the line been checked for proper grade? I'm no plumber but drain lines are supposed to drop 1/4" per foot grade (for pipes 3" in diameter).

  21. #21
    Senior Member miamijim's Avatar
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    Quote Originally Posted by jsharr View Post
    The plumbers bill?
    +1 along with a "Well, this just cost us 3 dinners at a nice restaurant."
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  22. #22
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    The problem is always downstream of the backup. If the evidence is in the basement (assuming a floor drain?) the blockage is downstream of that point. Get a different plumber to scope the cleanouts.

  23. #23
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    Quote Originally Posted by jsharr View Post
    The plumbers bill? Environmental impact of all that stuff in the water supply?
    Actually, most food products are perfectly ok to go into the waste disposal. Meat should never go in. Onion skins don't grind well either. Nut shells and egg shells actually help to clean the waste disposal unit.

    The food waste goes the same place the stuff you ate does and is removed from the water treatment plans in the same way. The solid waste from the treatment plants is used for agricultural purposes. It won't affect the water supply at all.

  24. #24
    on by skijor's Avatar
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    I can't get enough Garbage

  25. #25
    Caustic Soccer Mom apclassic9's Avatar
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    the problem with people who grew up with a garbage disposal in the sink is that, no matter HOW many years pass, no matter how MANY different places they live in without a garbage disposal, they STILL think there's one there, and someelse has to clean the crap out of the sink. What a stupid appliance, anyway. Most of the stuff people dump down the sink is better off in a compost pile, or feeding to the household pets.
    As with mud, life, too, slides by.

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