Solved

No Water Pumps Out After Moving To Another House

EJej2095
Asked over 13 years ago 6,603 views
0

Washing machine has been moved into new house. Have checked for blanking plates etc and even taken out the pump and put it back in. No water pumps out.

But a odd one here when i took out the pump to check it i check the black pipe from the drum to the pump and there is a ball in there?? about the size of a small ping pong ball?

I have not removed it yet as not sue how the sod it would have got in there hence don't know if its meant to be there?

Any ideas on this?

Oh and it doesn't drain lol (assuming it its the pump)

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.

Washing machine will not drain after house move

The problem
After being moved to a new house, the washing machine would not pump water out. The owner had already checked for blanking plates and removed/refitted the pump. They also found a ball in the black hose from the drum to the pump and were unsure if it was normal.
Likely cause
The strongest diagnosis was either a blockage in the new drain connection or an obstruction in the machine’s drain path. The ball in the sump hose was described as a normal part on some machines, but it can stick if clogged and stop draining. If the machine worked before the move, a blockage disturbed in transit or a pump connection fault was also suggested.
What fixed it
Check that the drain spigot on the new u-bend is fully open and not still sealed by a blanking piece. If the plumbing is clear, check whether the pump will discharge into a bowl or bucket to separate a house plumbing issue from a machine fault. Also check the drain hose for a small obstruction. The ball in the sump hose should not be removed simply because it is present, as it may be a normal component.
Checks to try
  • Checked for blanking plates
  • Pump removed and refitted
  • Black hose from drum to pump inspected
  • Advice to check the u-bend spigot is fully clear
  • Advice to test whether the pump will empty into a bowl or bucket
  • Advice to check the drain hose for a small obstruction
Parts or tools mentioned
  • Pump
  • Sump hose
  • Drain hose
  • U-bend spigot
  • Ball in sump hose
  • Bowl or bucket

Safety: Further diagnosis should be carried out by a suitably qualified appliance engineer.

Cause identifiedGenerated 20 Aug 2026 · AI summaries can make mistakes — read the full thread below.
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1 Answer

Accepted Answer
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WH
WhitegoodshelpVerified Engineer
Answered over 13 years ago

There is often a large ball in the top of the sump hose designed to shut off the sump hose and stop detergent going into the hose where it would be wasted. If fitted, it should be a fair bit larger than a ping pong ball and right at the top near the tub. These balls can stick and stop water pumping out if they get gunged up.

Not pumping after connecting to new plumbing is usually down to the blanking plug in the spigot connected to the u-bend. On brand new plumbing the plastic spigot which the drain hose attaches to needs cutting off at the end but sometimes there can be a blanking piece pushed into it or even a blanking piece inside where it fixes to the u-bend. If the spigot is definitely clear all the way through and the hole it leads into on the u-bend is also clear then it must be the washing machine.

If as I assume it worked OK before the move it must be some obstruction disturbed in transit which has got into the pump or hoses, either that or a connection fault stopping the pump running.

If the pump is running check to see if it pumps up into a bowl or bucket which of course would eliminate the u-bend as a fault. As you've already checked the sump hose there could be a small item like a button stuck inside the drain hose so you need to check for that too.

Here's my article on this very subject, you may have already seen it but I'll link to it in case others come here with the same problem washing machine won't pump out after connecting to new plumbing

Whitegoods Help — appliance repair expert and forum host.

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