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Should the drain tube be looped or can it be pulled down for extra length

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If the drain line goes into an air-gap on the top of your sink than it can be pulled down. If it goes directly into your garbage disposal then it really should be looped a bit higher than the bottom of your sink incase your sink gets stopped up the water will not flood back into the dishwasher. Some models come with a "check valve" on the end of the drain line (it's plastic and is about 2" long) these prevent water from draining back into machine and potentially flooding your nice floors.

Posted on Jul 22, 2008

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I have a De Dietrich dishwasher (VZ9996U1)with a broken plastic loop which holds the side door spring. Can I get a new plastic loop? This loop is also attached to a length of cord. Alison


Same thing happened to mine - I simply took some nylon cord, about the thickness of a shoe lace and made a slip knot loop around the remaining cord. (the plastic bit was still attached and the knot pulled up against this). this has been working fine ever since.

Dec 30, 2009 | De Dietrich Dishwashers

2 Answers

Dishwasher will not drain.


Hi,

The first thing I`d recommend is checking the drain for blockage. The most likely area for these unit`s to have an obstruction is where the drain attachment is located under the sink, downstairs, or whatever the case may be.
Remove the clamp fastening the hose in place and check for any debris clogging the drain. Keep in mind some install`s have had to join two pieces of drain hose together if it`s an extended run, check the ``coupling`` at this junction as well.
When you have the drain un-attached, grab a bucket and test the drain. Hit the two buttons for cancel on your dishwasher and see if the water drain`s freely when not hooked up to your household plumbing.

The other possible cause, and especially bosch, (I can tell you first hand from doing Bosch warranty for over 10yrs.) is a fallen drain loop. What that means is this. The dishwasher proper install calls for a ``hi-loop`` in the drain line. This is ``required`` to minimize the possibility of back flow, but also to take advantage of gravity to assist the drainage.

Sometimes these install`s are either done improper, not at all or just vibration`s cause them to ``fall`` if not secured sufficiently. You`ll need to confirm the drain hose has a ``Hi-loop`` in it somewhere between the outlet of the dishwasher and the connection to the household plumbing.
If it`s routed under your kitchen sink it should be an easy check and remedy. If it is looped great, look for a clogged drain. If it`s not looped but there is a lot of extra rain hose, you should set up a loop (refer to the installation guide for further info). If there appears to be very little extra hose before the household connection that could mean the ``hi loop`` is behind the dishwasher. You`ll need to confirm it does or doesn`t exist because it IS necessary for long term well being of the machine...which leads to the other possible problem.

If the loop was never put in place and the drain hose has been laying along the floor since it`s install the drain pump may have failed from functioning beyond it`s designed specs. The outlet/drain pump will need to be replaced, but not before correcting the drain install.

I have plenty of part`s info, installation guides and manual`s via pdf files. If needed I can send an email to you with any info you require, but I can`t attach them via these post`s.

Hope this has helped you with your problem. If so please take a second to rate the solution I provided for you here at fixya. If not please post a reply and I`ll try to assist you further.

Good luck.

macmarkus :)

Dec 05, 2009 | Bosch 24 in. SHU43 Built-in Dishwasher

1 Answer

Bought a new dishwasher and cant figure out why it wont drain


Hi, Curious, does this unit have a drain hose connected to a garberator/food disposer ? If so, make sure the drain "knock out" has been removed from the garb/disposer. If that isn't the problem, make sure the neccessary "hi loop" has not been removed from the tub of the dishwasher. A lot of times during installation people remove the "hi loop" to gain an extra foot or two of drain line, but it's a no-no. You can also check for wires off at the drain pump. Hope that helps, let me know. Good luck. macmarkus :)

Nov 12, 2009 | Frigidaire Dishwashers

1 Answer

Why is it that there is standing water beneath the filter and spray arm


the most common problem with dishwashers, and especially frigidaire/electrolux units is this; Do it yourselfers or even so called Pro-installers remove the loop that was intentionally secured to the outside of the tub (usually to gain "extra" drain line, however not ALL units use this method...frigidaire DOES) hence allowing water to flow back into the unit after the darin pump has stopped. The "loop" is there to prevent this (minor back flow) from happening. you can easily remove the unit and resecure this loop along the side and add some hose to the end of the line if needed, but the loop should be present. (it can also cause pre-mature drain pump failure over time, depending on pumping distance and volume needed to pump thru line)

good luck,

hope that helps

Sep 26, 2009 | Frigidaire 24 in. PLD2850 Built-in...

2 Answers

Fisher paykel model dd603 - won't drain


Depends on Whether or Not you had the unit Professionally installed, The Drain Hoses are Designed to Stay their extra long Length, they act as a u-tube system using the center of gravity to help drain the unit, if you've cut them to short the water simply is unable to go up the lines because the drain pump is not strong enough.

Aug 07, 2009 | Fisher and Paykel 24 in. DD603H W Built-in...

1 Answer

HOTPOINT 3400 DOES NOT DRAIN totally


Hi Bob,

Yeah! I'm a Texan! Cool!

I'd almost bet that your dishwasher drain line is NOT clogged but simply installed incorrectly. If I'm right, some water from the sink will drain (siphon) back to your dishwasher making you believe that it's not draining properly. (BTW, I've had a thousand service calls run for just this problem, so I know of what I speak)

Look under your sink and take a gander at your dishwasher drain line... if it looks like this, it ain't right.
ec9b016.jpg

This allows sink/disposal water to siphon off to your DW. All you gotta do is loosen the clamp (in the pic), remove the drain line, pull as much slack as you can (without pulling to hard... like it'll break if you do that) and put a loop in it like this...
24a4854.jpg

OK... after you get your loop, you'll need to tighten your hose clamp. As an extra measure of security (to keep the loop in place), secure the drain hose to your sinks water supply line.

There ya go! 15 minutes, no parts, no head-aches and you're done! Cool, huh? All you gotta do now is kick back and wait for the Cowboys pre-season! (BTW... if your drain is installed properly, write back and we'll go a little deeper into a diagnosis, OK?)

SG
70b8cd9.jpg




May 17, 2009 | Hotpoint 24 in. HDA3400G Built-in...

1 Answer

Trouble emptying , no blockage found, but the waste tube seems to be looped high at the back


The waste or drain tube is supposed to be looped high at the back to make an air gap.. Some water remains in the Dishwasher and prevents seals from drying out as well as any sewer gases from coming back into the dishwasher..have you checked the drain filter? Pump and hoses for obstructions? Is the house drain limiting the flow coming from the dishwasher? Those are some of the basic checks you will need to make to diagnose the problem.. Your pump may be damaged or something inside the pump casing may be limiting the flow of water of the impellor from rotating.. Hope this gives you a few ideas on how to approach this.. Good luck

Sep 04, 2008 | Miele Dishwashers

1 Answer

Dishwasher does not drain completely, has standing water after every complete cycle.


  • Some water, usually one to two cups, remaining in the bottom of the tub is normal. However, if water is covering the bottom of the tub, the dishwasher is not draining properly.

  • Check for paper or large objects covering or blocking the sump area in the rear of the tub.

  • Make sure that the right type and amount of detergent is used: Using the wrong type or too much detergent can cause sudsing that can prevent the dishwasher from draining. Only detergent specifically designed for automatic dishwashers such as Electrasol®, Cascade® or Cascade Complete® should be used. If you find suds in the dishwasher.

  • Check disposer plug. If a garbage disposer has been recently installed, it is possible the disposer drain plug was not removed. The drain plug is a plastic piece in the disposer that blocks the hole where the dishwasher hose connects.

    Please consult the Owner's Manual. Download a free copy of the Owners Manual and/or Installation Instructions. In the Installation Instructions, will be the procedure for removal of the drain plug. You may also check with the installer.


  • Be sure the kitchen sink drain is not clogged. The dishwasher typically drains into the kitchen sink drain or a garbage disposer. If the dishwasher drains into a garbage disposer, run the disposer to clear the drain system. Do not put hands into the garbage disposer. Serious injury could result. You should always turn on your garbage disposer prior to running the dishwasher to clean out any food or debris within the drain system.

  • Check drain hose where it connects below the sink for blockage or a kink in the hose. New dishwashers come with a white corrugated drain hose, which should be used. Re-using old, worn out drain hoses may promote kinking and blockage. If it is neccessary to extend the length of the corrugated drain hose, be sure the total length does not exceed 120 inches and the extention used is not kinked or crushed. See your dishwasher installation instructions for details.

  • Check the air gap if one is installed. It could be clogged. An air gap (not part of the dishwasher) is usually located on top of the sink. Some state or local plumbing codes require the use of an air gap between the built-in dishwasher and the drain system of the home. This plumbing device is used to prevent the possibility of back flow into the dishwasher in the event of a clogged drain system. This item is not a part of the dishwasher and, therefore, the dishwasher warranty does not cover costs related to cleaning or repairing a drain air gap.

  • Typical air gaps are easy to inspect and clean. Be sure the dishwasher latch is in the OFF position or unlatched prior to removal of the drain air gap cover. Simply lift off the cover (usually chrome, could plastic) and unscrew or unsnap (depending on type of air gap) the plastic cap below. Remove any material that may have accumulated and replace the plastic cap and chrome cover. This simple procedure should be followed any time the dishwasher fails to drain properly.

    View a short video about cleaning the air gap:
    Play Video

    Sometimes perceived "no drain" problems are not "no drain" problems at all, but back flow of water from the sink or some other device into the dishwasher:

  • If you notice dirty water building up over time in the bottom of the dishwasher and do not have an air gap, make sure you have a high drain loop. A high drain loop is created when the drain hose is makes a loop at least 18 inches above the floor. Usually this is accomplished by attaching the drain hose to the underside of the countertop. Without a high drain loop or air gap, dirty water from the sink can flow into the dishwasher. The high drain loop prevents back flow of water from the drain into the dishwasher if an air gap is not installed. View a short video about a high drain loop:
    Play Video

May 08, 2008 | Dishwashers

1 Answer

Fridgidaire dishwasher model # FDR252RBS1


just doing it by the numbers ask your husband if he removed the drain loop from the side of the tub to get extra drain hose if he did reply to me before going on next take the drain hose loose from the sink get a mop buckit put the hose in it then turn it to start and close the door holding the hose in the bucket if it drains and the drain loop wasnt removed check the place where it goes into the sink for blockage let me know what happens

Jan 30, 2008 | Dishwashers

1 Answer

New hook up


That vent hose is called a condensation tube. it runs from the right side of the dishwasher up in a loop then back down into the back base of the machine. it allows the dishwasher to breathe in a sense during a wash since it makes a complete seal. if that tube was obstructed or not directed in the up-loop then back down into the base, then it would be possible for water to pressurize through the seals and leak some water onto the floor. kind of like shaking up a new soda bottle. it helps release pressure from the heat. it wont leak water into the base but the tube will accumulate humidity which is normal and will evaporate quickly.

Oct 21, 2007 | Bosch 24 in. SHE44C02UC / SHE44C06UC /...

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