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Can a Washing Machine Pump Water 6m to Sink with 80cm Elevation? Hose Specs?

nelik1987 71975 21
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Can a washing machine drain pump push wastewater through a 5–6 m hose that rises about 80 cm to a sink drain, and what drain hose diameter should be used?

Yes, it should usually work if the hose is routed with a steady slope and the drain outlet is not higher than the machine’s drain outlet; the pump only has to lift the water to the sink height, then it can flow by gravity [#4974228][#4976436] Several users report that even about 8 m of drain hose works in practice [#4975819][#4989367] Keep the original hose diameter if possible, and if you need to extend it, one suggestion was to use a ?32 PVC pipe along the wall with the correct slant [#4974656][#4977505] For best results and less odor, place the siphon/drain connection as close to the washing machine as possible rather than running a long hose across the floor [#4989367]
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  • #1 4974143
    nelik1987
    Level 31  
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    Hello

    I am a student and I plan to buy a washing machine, the problem is that I do not have much to put it in the bathroom (small student flats :P ) and I wanted to put it in the kitchen, but it is far from the water drain in the sink. I do not want to lead 2 snakes through the threshold in the door because someone will stumble and it will be boring :P Therefore, I would have to pull the drain hose about 5-6 meters. Water would have to be raised about 80 cm from the ground to the height of the sink.

    Will the pump in the washing machine have enough force to push this water?
    What is the diameter of the drain hose and the hose for the washing machine?

    I transferred from: Household appliances .
    19:40 March 30, 2008
    [_P_]
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  • #2 4974228
    markom
    Level 19  
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    In my opinion, the length itself does not matter. What matters is the height at which you place the end of the hose! If it is too high, it will not spill your water, and if it is too low, the water can drain freely from the washing machine.
  • #3 4974290
    marcinelektronik
    Level 27  
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    The hose can be as long as you want because the pump pumps the water to a certain height and then the water flows freely.
    So as you can see, if you have a washing machine upstairs, you can run a hose to the basement.
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  • #4 4974656
    mrhari
    VIP Meritorious for electroda.pl  
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    And the length and height are important, because the longer the hose, the more water the pump has to push through, because more water will be left in it. Most likely, the pump can do it, but it may shorten its life. I think that 3-4m is the maximum but it does not mean that at 5m it will not work. Hose diameters, try to leave as they are.
  • #5 4975819
    MakroSerwis
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    I used to have a vending machine hose running almost around the bathroom, of course of necessity :) . There were no problems with draining the water, despite the 8m hose. ARDO A400 washing machine.
  • #6 4976273
    marcinelektronik
    Level 27  
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    mrhari wrote:
    And the length and height are important, because the longer the hose, the more water the pump has to push through, because more water will be left in it. Most likely, the pump can do it, but it may shorten its life. I think that 3-4m is the maximum but it does not mean that at 5m it will not work. Hose diameters, try to leave as they are.


    You write something strange:
    Imagine a hose 20 meters long stretched horizontally and hanging 2 meters high and pour water into it, it will run down to the bottom and overflow from the hose.
    The pump is only designed to pump the water to such a height then the water flows by itself.
    A colleague did not write that he would leave a 100-meter hose wrapped around the washing machine, because it would certainly be too much for him to wash.
    It can be concluded that the hose will have a fall all the time and there is no need for the pump to pump water in the hose because it flows by itself.
  • #7 4976436
    Samuraj
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    The length does not matter here, but its arrangement does. It is important that there is a slope and that the drain is not placed above the outlet of the washing machine drain.
    The pump itself will only pump out of the washing machine into the hose where the water will drain itself to the lowest point, in this case it should be e.g. sewage system.
    How do you have a washing machine on the 10th floor, what cannot have a drain in the basement?
    The situation is different if someone had a washing machine on the ground floor and the drain on the 10th floor, then the pump will not be able to pump that amount of water.
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  • #8 4976651
    mrhari
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    nelik1987 wrote:
    pull the drain hose approx. 5-6 m. the water would have to be lifted approx. 80 cm above the ground


    I recommend that you familiarize yourself with the picture. See section 2.3 Water outlet

    Can a Washing Machine Pump Water 6m to Sink with 80cm Elevation? Hose Specs?
  • #9 4976671
    nelik1987
    Level 31  
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    I know what you mean, only you do not know what I mean, I mean that when I lead the hose from the washing machine, I will lead it along the floor through the entire kitchen and only next to the sink I will lead it up to the height of the sink, i.e. about 80 cm or this is how it will work or not?
  • #10 4976684
    godzuki23
    Level 14  
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    Well, it probably won't work well. The washing machine takes in more water or there is not enough water in the drum. Water will flow into the hose as it will be below the drum. At the washing machine, wrap the hose approx. 70 cm, and then "it can go on the floor".
  • #11 4976688
    nelik1987
    Level 31  
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    mrhari wrote:
    nelik1987 wrote:
    pull the drain hose approx. 5-6 m. the water would have to be lifted approx. 80 cm above the ground


    I recommend that you familiarize yourself with the picture. See section 2.3 Water outlet

    Can a Washing Machine Pump Water 6m to Sink with 80cm Elevation? Hose Specs?


    and I like something like that when I understand it correctly, it cannot be 5-6 m, my English is quite poor but the drawing shows that it is not, right?
  • #12 4976805
    Remeknapr
    Level 33  
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    Samuraj wrote:
    It is important that there is a slope and that the drain is not placed above the outlet of the washing machine drain.


    Sorry but I do not understand. Has a friend ever seen an automatic washing machine and knows the principle of the water pumping system? Maybe a "slip of the tongue"? At least for me and all my friends and neighbors, the outlet of the drain hose from the washing machine is ABOVE the outlet of the washing machine (pump).
  • #13 4977505
    Samuraj
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    Exactly, I am returning the honor I slipped.
    If the hose is too short, you can put a ?32 PVC pipe along the wall, remembering about the slant.
    I myself have it done in the bathroom behind the bathtub.
  • #14 4977655
    Remeknapr
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    nelik1987 wrote:

    and I like something like that when I understand it correctly, it cannot be 5-6 m, my English is quite poor but the drawing shows that it is not, right?


    I suggest not to take these pictures too seriously. Rather, to recall the principle of the operation of communal vessels and to draw conclusions about the arrangement of the hose. As for its length, it does not have a greater impact on the operation of the pump in the range of several meters.
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  • #15 4986585
    Paw_el

    Home appliances specialist  
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    Remeknapr wrote:

    ... As for its length, it does not have a major influence on the operation of the pump in the range of several meters.

    Hello.
    :arrow: Remeknapr I do not agree with that, because it may not influence its operation, but its lifetime does.
    However, another matter is that when the drain hose is too long and connected, e.g. sealed under the washbasin, sink or sewage system, it may also happen that the first time the washing machine is discharged from the rinsing and when the solenoid valve is turned on for the next rinsing, water may be sucked in and automatically poured out to the sewage system.
    :arrow: nelik1987 If you have this long hose, the best advice is that it should be placed on top of the sink.
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  • #16 4986676
    Remeknapr
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    Paw_el wrote:

    [ :arrow: Remeknapr I do not agree with that, because it may not influence its operation, but its lifetime does.


    With all due respect to you, whether you agree with me or not is of little importance to the topic. The more that you do not give any sensible argument in favor of the influence of the length of the hose on the lifetime of the pump. I don't even know what you mean. Does the lifespan of the pump increase with the length of the hose, or vice versa?
  • #17 4986895
    Paw_el

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    :arrow: Remeknapr I did not intend to provoke you into a polemic, but to signal the author of the topic to take into account the more frequent possibility of replacing the pump or its motor.
    It is rather obvious that the lifetime of the pump working in this way will be shorter, also col. mrhari in his first post on this topic.
    A meaningful argument? :idea: The electropump in the washing machine is only a "pressure" pump and has its capacity specified by the manufacturer for a 1.5 m standard hose, the manufacturer's correction rarely brings improvement, and often on the contrary.
    I have often replaced "old type" pumps overheated or burnt. :cry: at present, "magnetic" are even weaker with the "creativity of users". :D
    Company Account:
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    Poznańska 46, Kalisz, 62-800 | Tel.: 62 XXXXXXX (Show)
  • #18 4987588
    tomus2k
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    The pump in the washing machine is impeller with free flow, so the length of the hose or the height does not affect the service life. Working time, on the other hand, is important, water contamination with solid elements is important. You must remember that the hose does not come out too high or under a bad slope because it may not pump out the water. Just like a motor in a fountain placed too deep, it will not work well, but it will work as long as it is placed right under the mirror.
  • #19 4987958
    Remeknapr
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    Paw_el wrote:

    it is rather obvious that the lifetime of the pump working in this way will be shorter, also col. mrhari in his first post on this topic.

    It is not obvious, because why? Besides, it is not true. And if a colleague mrhari you refer to thinks that the amount of water in the washing machine (to be pumped out) depends on the length of the hose, that's not my problem anymore.
  • #20 4989367
    elek555
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    A seemingly trivial topic and basically everyone is aware that even the 8 m to the sewage system is not a problem, but the siphon should be made as close to the washing machine as possible (preferably on the original handles on the back wall). Simply the amount of dirty water left before siphoning from the washing machine side is unfortunately proportional to the amount of odor that can potentially be released in the room in the period between washes. And there are no perfectly sealed pumps. Unfortunately, often (even in people with engineering diplomas) the hose runs across the floor and the siphon is only the edge of the drain.
  • #21 4989455
    mrhari
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    Remeknapr wrote:
    And if a colleague mrhari you refer to thinks that the amount of water in the washing machine (to be pumped out) depends on the length of the hose, that's not my problem anymore.


    :?: I think so and wrote it so? And it's interesting where :D
    If you want, you can extend the drain hose, e.g. by 10m. If by 10 then why not by 15 or 25 meters. Or maybe by 100m and lift the end of the hose by the above-mentioned 80cm. Somewhere the limit of the length of the hose to which the pump can pump water from the washing machine must be. Am I also wrong? Maybe you can extend it indefinitely?
    4 to 5 meters and that's enough.
  • #22 4990247
    Remeknapr
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    mrhari wrote:

    :?: I think so and wrote it so? And it's interesting where :D

    Is this a quote from your post or is it my mistake?

    "And the length and height matters, because the longer the hose, the more water the pump has to push through, because more water will be left in it."

    mrhari wrote:
    If you want, you can extend the drain hose, e.g. by 10m. If by 10 then why not by 15 or 25 meters. Or maybe by 100m and lift the end of the hose by the above-mentioned 80cm. Somewhere the limit of the length of the hose to which the pump can pump water from the washing machine must be. Am I also wrong? Maybe you can extend it indefinitely?


    Not indefinitely. It is obvious :) . I understand that it is just 5-6m and I wrote that this length does not have a significant impact on the operation of the pump. I have not written that it has no effect.

    greetings
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Topic summary

✨ The discussion revolves around the feasibility of using a washing machine's pump to drain water over a distance of 5-6 meters and an elevation of 80 cm to a sink. Participants emphasize that while the length of the hose is not a critical factor, the height at which the water must be pumped is significant. The pump's ability to handle this setup depends on maintaining a proper slope and ensuring that the hose does not create excessive back pressure. Concerns are raised about the potential impact on the pump's lifespan due to increased workload from longer hoses. Recommendations include keeping the hose as short as possible and ensuring it is positioned correctly to facilitate drainage. The discussion also touches on the importance of avoiding water stagnation in the hose to prevent odors.
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FAQ

TL;DR: An 8 m hose run worked on an ARDO A400 washer [Elektroda, MakroSerwis, post #4975819]; manufacturer spec “max drain height 100 cm” proves limits, and “length matters less than height” [Elektroda, marcinelektronik, post #4974290] A 5–6 m hose with an 80 cm rise is therefore within safe range.

Why it matters: Correct routing avoids pump strain, leaks, and foul odours in small flats or retro-fits.

Quick Facts

• Max drain height: 0.9–1.2 m, depending on brand [Bosch, 2022]
• Stock hose length: 1.5 m; OEM extension kits add 1–3 m [Whirlpool, 2021]
• Internal hose diameter: Ø 19 mm (3⁄4 in) ID; connector Ø 21 mm OD [“EN 61770”]
• Each extra metre retains ≈0.1 L of dirty water [Elektroda, Paw_el, post #4986585]
• Extension kits cost €10–€20 and include anti-siphon clip [Amazon EU, 2024]

Can my washing machine push water 6 m horizontally and 80 cm up?

Yes. Forum users report trouble-free 8 m runs [Elektroda, MakroSerwis, post #4975819] Most pumps are rated for 0.9–1.0 m head [Bosch, 2022]. Keep a 60–90 cm high loop at the washer back, then slope the hose to the sink. Flow remains gravity-assisted after the first lift.

What hose diameter do washing machines use?

Standard drain hoses are 19 mm internal and about 21 mm external diameter, matching EN 61770 appliance connectors. Keep the same size when extending to avoid back-pressure.“Use the hose diameters as they are.” [Elektroda, mrhari, post #4974656]

Does adding 5 m of hose shorten pump life?

Extra hose marginally increases run time but not motor stress. Pumps are impeller-type with free flow, so length or height alone “does not affect service life” [Elektroda, tomus2k, post #4987588] Dirt and extended duty cycles remain the real wear factors.

How high can a washing machine pump before it fails?

Most residential models specify 100 cm maximum outlet height; some reach 120 cm [Bosch, 2022]. Above that, flow drops ~1 L /min per additional 10 cm head [“Grundfos Pump Curve”]. Exceeding the limit triggers drain-error codes like F02 on Whirlpool.

Will a long hose cause siphoning and self-draining?

It can if the end is air-tight under the sink. A sealed connection may let the drum suck water back out during refills [Elektroda, Paw_el, post #4986585] Leave an open hook or install an anti-siphon break to stop unwanted emptying.

How do I extend the drain hose correctly?

  1. Fit a manufacturer or Ø 19 mm splice kit; secure with two stainless clamps.
  2. Create a 60–90 cm high loop at the washer rear using the supplied clip.
  3. Run the hose with continuous fall to the standpipe or sink, avoiding kinks. Follow-up leak check for 2 cycles.

Are booster pumps needed for basement discharge?

Only if the final height exceeds 1.2 m. Gravity aids downward runs; pumps on the 10th floor can drain to the basement without assistance [Elektroda, Samuraj, post #4976436] For uphill routing beyond spec, add a small 200 W grey-water lift pump.

What symptoms show the pump is struggling with hose length?

Watch for extended drain times (>2 min), residual water errors, or gurgling at the loop. If the drum still holds >2 cm of water after spin, the hose may be too long, kinked, or set higher than 1 m [Elektroda, mrhari, post #4989455]

Could odours develop in long drain lines?

Yes. More standing water means more biofilm and smell. Keep the siphon near the washer to limit retained volume [Elektroda, elek555, post #4989367] Flushing a cup of hot water with vinegar monthly helps.

Where should I place the anti-siphon loop?

Secure the hose 60–90 cm above floor level directly at the machine’s back panel hooks. This ‘air break’ stops back-flow yet stays within the pump’s head rating [Whirlpool, 2021].

Do magnetic drain pumps differ from old impeller designs?

Modern magnetic-drive pumps draw less power but stall more easily on debris. They share the same 0.9–1.0 m head rating yet may overheat faster when blocked [Elektroda, Paw_el, post #4986895] Clean the filter every 20 cycles to protect them.
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