drum is filling with dirty water overnight
The washing machine drum is filling with dirty water overnight - can you see anything in the setup that I need to change? (The washing machine is on the right)
Solution Summary
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Washing machine drum filling with dirty water overnight due to drain hose layout
- The problem
- The washing machine drum was slowly filling with dirty water overnight. The discussion indicates this was linked to the drain hose arrangement at the sink waste connection.
- Likely cause
- The drain hose was not routed high enough above the sink waste spigot, allowing water from the sink to run into the washing machine drain hose and backfill the drum. A longer hose or extension was considered necessary so the hose could rise before descending to the pump.
- What fixed it
- Re-route the drain hose so the sink waste spigot points upwards and the hose rises several inches before bending down. If there is not enough length, fit a proper drain hose extension kit or replace the hose with a longer one. A cable tie was suggested to secure the hose up to the plastic pipe above so it cannot drop down. The exact completed repair was not confirmed by the original poster.
- Checks to try
- Visual check of the drain hose routing at the sink waste
- Assessment that the hose needed to rise before dropping down
- Check whether enough existing hose length could be pulled through
- Advice that a proper connector is needed for any hose extension
- Parts or tools mentioned
- Drain hose extension kit
- Longer drain hose (2.5 metres probably)
- Proper connector for extending the drain hose
- Cable tie
Safety: Ensure any hose extension is securely connected to avoid leaks or flooding. Further diagnosis should be carried out by a suitably qualified appliance engineer.
7 Answers
Hi Krist. I’ve made this into a separate topic.
Yes, it looks like you may need to fit a longer drain hose or use a drain hose extension kit unless the drain hose will pull through a lot more.
The drain hose needs to go up around several inches before it bends down towards the washing machine pump. Otherwise water running down the sink will run down the drain hose and slowly fill up the drum.
I’ll see if I can find a photo or diagram to make it more clear.
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Here are some examples. The spigot that the drain hose attaches to needs to be pointing straight up. The drain hose that attaches to it needs to point up – before pointing down. This stops any water that runs down the sink from getting inside the drain hose.
In your case, I would use a cable tie, and fasten the drain hose to the white plastic pipe above it to prevent it falling down. But as I initially said, you will need a lot more drain hose to be able to do this, so if you can't pull enough through you will need to replace it with a longer one (2.5 metres probably),or fit a drain hose extension kit.
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Thank you so much!
These came with the washing machine, can I use any of them to extend the drain hose at all?
Hi. The hook is for use when the drain hose is plumbed in to a pipe with a u-bend at the bottom. You don’t need it when plumbed into the sink u-bend.
Not sure what the other pipe is for but you need a proper connector to extend the drain hose. Also it looks too thin.
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Ok I’ll order an extension kit - is there anything I need to know before trying to fit it myself? Besides turning off the power to the washer, do I have to turn off the water or something because I don’t know where to do that
No, you should just be able to insert the connector in the end of the current drain hose and connect the new extension to the other end. You need to make sure they are connected properly so it doesn't leak. If they came apart it would flood your kitchen.
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