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I have a newly installed Kitchenaide dishwasher. The copper pipe is secure under the sink and appears connected properly to the dishwasher. When I turn the shut off valve on, water begans to run from underneath the dishwasher. There is no water under the sink. The plastic hose does not seem to be the problem.

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  • sonya_anthon May 13, 2008

    Your advice worked. Thank you for all of your help.


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You should be able to remove the panel below the door and see where water inlet hose is connected to the solenoid valve. I'd bet that's where it's leaking since you say it's newly installed.

Posted on May 13, 2008

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Don't understand the incomprehensible door and general installation instructions for the aqua star. Just uses pictures, anywhere available that uses WORDS?

  • 1 what you'll need
    Electric drill and hole cutting bit
    Adjustable wrench
    Teflon pipe tape
    Drain pipe for dishwasher
    Dishwasher connection kit - available at your home store (should contain water supply line for dishwasher as well as necessary connectors and compression couplers).
    New dishwasher

  • 2Determine that you have access to the hot water supply line, the drainpipe and an electrical connection under the sink. Installing the dishwasher will require extending the hot water supply line to the dishwasher, connecting the dishwasher drain to the drainpipe under the sink, and plugging the dishwasher in. If your home was not plumbed in anticipation of a dishwasher, you will need to change some fittings under the sink to make these connections possible. (See below)
  • 3Read the instruction manual that comes with your new dishwasher. Installing a dishwasher is straightforward but you want to be sure you understand and are comfortable with the necessary steps.
  • 4
  • Thanks for using fixya.
  • Jul 19, 2011 | Bosch Dishwashers

    1 Answer

    We have removed our dishwasher, we are not replacing it. The question I have is...."How do you cap of or plug up the old waterline that goes to the dishwasher?"

    It all depends on what material your water line is made of and where you want to shut the water off at.

    Under the dishwasher there is a threaded connection from the water line to the dishwasher and there is typically no isolation valve located there. You will have to follow the supply line back to where it ties in, typically it is feed from the kitchen sink water supply. Hopefully the plumber who installed the lines provided a local shut off valve under the sink, otherwise you will have to shut the water off at the main house supply.

    Here is a couple of ways to cap the line off.

    Copper - You can get a cap and solder it on, make sure there is no water in the line because it will not heat up enough for the solder to penetrate the joint. Use flux and lead free solder on the copper lines. When you are ready to replace, just turn the water off, cut the cap off, and install the necessary fittings to connect the dishwasher. If I was going to do this, I would install a valve and a braided stainless steel line for the dishwasher. This makes it a snap to reinstall. Any hardware store can supply these parts.

    Plastic (PVC/CPCV) - same as above but use the proper cement rated for the type of plastic pipe.

    PEX - You can buy a plug and a clamp ring, but you will need the proper crimping tool.

    If you have a threaded connection, just go to the hardware store and buy a threaded cap.

    If you need specific information, please update your question with more details, because I am just speculating what you have.

    Apr 18, 2011 | Dishwashers

    2 Answers

    Where does the drain hook to? maybe a picture please, thanks

    Connect your dishwasher's drainpipe to the discharge pump. Many local building codes require dishwashers to be vented using an air gap to prevent the siphoning of water from the sink drain or disposal. Mount the air gap in one of the sink holes or drill a hole for it in the countertop. Connect the drainpipes to the air gap and secure them with hose or spring clamps.

    The following links will help you with your dishwasher's installation:,,1630952,00.html,,20076102,00.html

    Please remember to rate this solution. Thanks!

    Feb 05, 2011 | Dishwashers

    1 Answer

    My dishwasher doesnt seem to turn on to a cleaning cycle. barely any water is in there and it smells like it is burning sometimes. my water is on to the dishwasher. also water comes out of the valve in the...

    Check your disposal. If newly installed the knock out plug was not removed. The smell could be food decaying. No water should be coming out of the vent on the sink.

    Remove the rubber pipe from the dishwasher to the disposal.
    Stick a screwdriver into the hole and look down the disposal from the top and see if you are able to see the screwdriver.
    If not get a hammer and pop the plug out and reach in the disposal with your hand and retrieve the plug after you have unplugged the electrical cord.
    Once the plug is out re-install the rubber pipe and secure it plug in your electrical cord and try your dishwasher again. Good Luck

    Jan 07, 2011 | Frigidaire 24 in. FDB1050RE Built-in...

    1 Answer

    I have a whirlpool gold model GU1500 diswasher. When the rinse cycle ends the water pumps out into the garbage disposal like it should, but then water backs-up from somewhere into the bottom of the...

    Seems you answered your own question here. You need to make an air gap in the drain hose - take as much slack as possible and make a curve (upside down U) under you sink as high as you can go. Make sure you clip ot to back of the cabinet to stabilize it. Good luck

    Jan 11, 2010 | Whirlpool 24 in. GU1500XTLS Stainless...

    1 Answer

    Removing a built in Asea Skandia cylinda 1200

    Its normal to have the water supply from under sink to dishwasher 3/8 soft copper. If there is a water stop under sink for dishwasher go ahead and shut it off. If not you will have to shut water off at main. Now you can unscrew supply at dishwasher, it's close to the front on left side. Its a 3/8 compression nut, you can use a small cresent wrench.

    Sep 30, 2009 | Dishwashers

    1 Answer

    Dishwasher does not drain, instead drains through overflow valve in sink. No apparent clog seen.

    Usually the sink connection is not an overflow, it is the main drain from the dishwasher. It is more likely your s-bend is blocked under the sink- try putting a bucket under it and unscrewing the u-shaped piece and cleaning out (remember don't wash it in that sink while the pipe is off)

    Apr 27, 2009 | GE Nautilus 24" Built-in Dishwasher

    1 Answer

    My frigidare diswasher is leaking from a left side black hose

    Check the hose first - it could be split or damaged esprcially if it's old. Check all the clamps to be sure they are tight. Chack all connections to the dishwasher and drain spur under the sink. Check the drain trap fro any leaks.

    Mar 27, 2009 | Frigidaire Dishwashers

    1 Answer

    Hotpoint dishwasher

    Did you have a dishwasher before? If so, you must have had a sink tail piece with a dishwasher drain coming off the side. For the connection, you may have to get an adapter to fit the end of the dishwasher drain hose to the sink tail piece. Take all pieces to hardware store if necessary to get an adapter which fits. After you connect the drain hose, make sure that the drain hose has a "high loop", meaning that the hose curls up at least 6 inches above the connection point before it goes down again. This is important to keep sink waste from getting back into the diswasher hose if the sink drain backs up.

    Feb 14, 2008 | Dishwashers

    4 Answers

    How to install diswasher

    To get the water to the dishwasher, it depends on your plumbing setup. If you have shutoffs under your sink(1/2" X 3/8" compression angle stop), you will need to buy a 1/2" x 3/8" compression double stop. This will be easy to change.

    #1 Drill a 1 1/2" hole in the back bottom of the cabinet to run your water, drain line, and power cord through.
    #2 First turn off the water at the Hot Water Tank, or the House supply, and turn on the sink to relieve the pressure.
    #3 Next remove the Hot supply stop, and install the double stop.( The nut and ferrul do not have to be removed, as they will attach to the double stop. Reinstall the hot supply to the sink to one of the connections on the double stop.
    #4 Install a 3/8" x 3/8" x 48" braided flex with the 1/2" MIP
    x 3/8" compression ell at the dishwasher.
    #5 Install the drain hose supplied with your dishwasher at the bottom of the dishwasher.
    #6 Install a 6' pigtail power cord to the power box under your dishwasher.
    #7 Feed the drain line, power cord and water supply through the hole in the back of the cabinet at the bottom. As you push the dishwasher back into the enclosure, you will need to feed the 3 lines into the cabinet under the sink.
    #8 Attach the water line to the open connection on the double stop.
    #9 The drain line will attach to your garbage disposal.(If you have one) Be sure to knock the small piece of plastic out of the drain connection, and retrieve it out of the disposal, before connecting the dishwasher drain line.
    #11 Raise the middle of the drain line as high as possible under the cabinet under the sink, preferably attach it to a screw to the bottom of the counter top. This will keep the dishwasher from drawing a back siphonage and getting a bad odor.
    #12 Plug in the dishwasher. Assuming you have electrical under your sink. Otherwise an electrical outlet may need to be installed.
    #13 Balance the dishwasher using the front legs. After you adjust the depth of the dishwasher, and the level. Use the 2 mounting screws included with the dishwasher to fasten the 2 clips above the door to the bottom of the counter top.
    #14 Remove the installation manual and styrofoam from the tray, and turn the dishwasher on. Inspect for leaks as you run a cycle.
    #15 Attach the bottom kick panels

    You are done.

    If you have any questions, please let me know.

    Jan 20, 2008 | Whirlpool GU2400XTP Built-in Dishwasher

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