Solved

Machine not draining after new waste trap installed

ADAdamewood
Asked over 8 years ago 8,869 views
0

Hi,

i have a Beko WMB81241 LB machine. I recently had to install a new waste trap under my kitchen sink (which the washing machine waste pipe plugs into).

The job was done easily enough, but now my washer won’t drain!

If I pull out the waste pipe and squeeze it with my fingers, the water comes out in two strong streams, but without pinching it, it nothing comes out as I’d expect.

I would presume that plugging the waste pipe into the waste trap would allow the waste water to flow but it isn’t.

I have tried the pipe non its oennand with a jubilee clip but the same result occurs.

Does anyone have any ideas please?

Solution Summary

AI-generated from this discussion

This thread was marked as solved. Here's a summary of the problem and the fix, generated from the discussion below.

Beko WMB81241 LB would not drain after fitting new sink waste trap

The problem
After a new waste trap was installed under the sink, the Beko WMB81241 LB washing machine stopped draining through the connected waste hose. The hose would discharge water strongly when removed and squeezed by hand, but would not drain normally when connected to the new trap.
Likely cause
The new waste fitting still had its internal bung or blanking piece in place on the spigot where the washing machine drain hose connects, blocking the outlet.
What fixed it
Remove the bung or blanking piece from inside the new waste trap spigot before reconnecting the washing machine drain hose.
Checks to try
  • Observed that water came out strongly from the drain hose when it was pulled out and squeezed
  • Tried the hose disconnected and also secured with a jubilee clip
  • Checked whether the new waste trap spigot still had the factory-fitted bung/blanking piece in place
Parts or tools mentioned
  • new waste trap
  • washing machine waste pipe
  • jubilee clip
Confirmed fixedGenerated 14 Aug 2026 · AI summaries can make mistakes — read the full thread below.
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2 Answers

Accepted Answer
0
WH
WhitegoodshelpVerified Engineer
Answered over 8 years ago

Hello. New waste fittings have a bung in when new. Have you removed the bung or blanking piece from inside the spigot that the drain hose connects to?

https://www.whitegoodshelp.co.uk/washing-machine-wont-drain-after-being-moved/

Whitegoods Help — appliance repair expert and forum host.
1
AD
Adamewood
Answered over 8 years ago

That’s sorted it thanks!

i didn’t plumb the original machine in and I’m a bit of a novice so assumed it was part of the pipe! Baffled how it’s been working all these years!

Thanks for your help!

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