Washing machine won’t drain after being moved
A washing machine that stops draining immediately after being moved or connected to new plumbing has three likely causes: a blanking piece left inside the U-bend connector, an obstruction dislodged inside the machine during transit, or a wiring or physical connection disturbed during the move. The blanking piece is by far the most common cause in newly built properties.
If your washing machine pumped out perfectly at your previous address but will not drain after being connected at a new property – or after being plumbed into a U-bend for the first time – this guide covers the most likely causes and how to check each one.
The Three Most Common Causes
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A blanking piece left inside the U-bend drain connector. Common in new-build properties and occasionally in older ones where the previous occupant replaced the cap. The blanking piece blocks all water flow regardless of how well the machine is working. -
An obstruction dislodged inside the machine during transit. A coin, bra wire, nail, or screw sitting in the base of the drum or sump hose can be shaken loose during a move and find its way into the pump, jamming the impeller. -
A wiring connection or physical component disturbed during the move. The electrical connector to the pump can work loose during transit, or damage can occur to the pump or its connections.
Cause 1: The Blanking Piece
This is by far the most important cause to check first, because it is entirely external to the machine – the machine itself may be in perfect working order.
The drain hose from the washing machine connects to a plastic spigot fitting screwed onto the U-bend under the kitchen sink. In a newly built property, or one where no washing machine has been installed before, this spigot will have been fitted with a blanking cap to prevent sink water flooding into the under-sink cupboard. Until this cap is removed, no water can pass through from the machine into the drain.
In a property that has had a washing machine before, the previous occupant may have replaced the blanking cap when they left – to prevent the open spigot draining the sink into the cupboard. This is less common but worth checking.
How to Check and Remove the Blanking Piece
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Disconnect the washing machine drain hose from the spigot on the U-bend.
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Unscrew the spigot connector from the U-bend.
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Look inside the connector at the tapered end where the drain hose attaches, and at the base where it connects to the U-bend. A blanking cap may be fitted at either point.
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Also check inside the U-bend aperture itself for any obstruction or cap.
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Remove the blanking piece if present. On some connectors, the tapered end of the spigot itself may need to be cut away to open the flow path – the spigot is designed to be cut or punched open on first use.
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Reattach the connector and drain hose securely, then test the machine on a drain cycle.
Cause 2: Obstruction Dislodged During Transit
Objects that have been sitting harmlessly in the base of the drum or sump hose for months – coins, bra wires, nails, screws, or small items of clothing – can be shaken loose during a move and travel into the pump, jamming the impeller. The machine may have drained perfectly before the move and fail to drain immediately after reconnection because the obstruction only entered the pump during transit.
Check the pump filter first, then inspect the impeller for obstructions. For step-by-step guidance see our guides on the washing machine pump filter and washing machine pump troubleshooting.
Cause 3: Connection or Wiring Disturbed During the Move
The electrical connector to the drain pump can vibrate loose during transit. With the machine unplugged, check that all wiring connectors to the pump are firmly seated and undamaged. Also check whether the pump itself or the sump hose has been physically displaced or kinked during the move.
If the machine was moved without transit bolts fitted, the drum may have moved during transit in ways that damaged internal connections or pinched hoses. See our guide on transporting a washing machine safely for more on transit bolt requirements.
Still Not Draining After Checking All Three?
If the blanking piece, pump filter, and wiring connections have all been checked and the machine still will not drain, a qualified engineer should investigate.
Related Guides
The main drain fault guide covering all common causes, including how to drain a machine stuck full of water.
What to check when the pump is running, the filter is clear, but water still will not pump out.
The checks to carry out after reconnecting a machine to confirm everything is correctly plumbed and connected.
How to prepare a machine for transit including transit bolt requirements and what to check on arrival.
Frequently Asked Questions
Why won’t my washing machine drain after moving to a new house?
The most common cause in a new-build or freshly plumbed property is a blanking piece left inside the U-bend drain connector. This blocks all water flow from the machine into the drain. Check the spigot fitting on the U-bend under the kitchen sink and remove any blanking cap before testing the machine again.
What is the blanking piece and where do I find it?
The blanking piece is a cap or plug fitted inside the plastic spigot connector on the U-bend under the sink. It is fitted in new properties to prevent sink water draining into the cupboard before a washing machine is connected. Unscrew the spigot from the U-bend and look inside both the tapered end and the base of the connector for a cap or internal obstruction.
Could the move itself have caused the drain fault?
Yes. Objects sitting in the base of the drum or sump hose can be dislodged during transit and jam the pump impeller. Wiring connections to the pump can also vibrate loose. If the blanking piece is not the cause, check the pump filter for obstructions and confirm all wiring connectors to the pump are firmly seated.
The drain hose is connected but water still fills without draining – is that the blanking piece?
Possibly – but if water is actively filling and draining simultaneously rather than simply failing to pump out, this is more likely to be a siphoning fault caused by the drain hose position. See our guide on washing machine filling and draining at the same time.
3 Comments
Grouped into 3 comment threads.
0 replies Hope so :)
0 replies although I hope it will work a bit better after reading your blog and (ok I drowned the kitchen cos it was still in 3rd cycle) but a smiley face keyring was washed out too so I hope that's fixed it! (for now...
although I hope it will work a bit better after reading your blog and (ok I drowned the kitchen cos it was still in 3rd cycle) but a smiley face keyring was washed out too so I hope that’s fixed it! (for now…
0 replies Hi my question is largely based on this as last year we had a new kitchen fitted and a washing machine MOVED. It is now currently taped into the ubend and has fits where it either doesn't rinse OR doesn't spin well! Due to both things happening at the same time plus the fact the washing machine was a refurb newby to the house too I have no idea where to start to fix the issues cos the machine seems to have a mind of it's own and can keep soap for 3 cycles on the run (if not double it) but has no rinse cycle (just spin) and only seems to behave on 'cotton intensive (2 hours long) how do I go about troubleshooting this..please help we're a family of 5, 3 children at school, 4 of us suffer with very dry skin and I can't keep 'washing' every load 4 times to get rid of soap! It's a Curry's basics washing machine I think (no brand and for the first 2 weeks we had it it worked like a dream!!) Currently watching the end of a synthetics wash (3rd time lucky NOT) no soap since3 first wash and the drum is still full of soap (and yes it quite often doesn't spin the water out either like I said broadly based question!) starting to wish I had a big pond w ith lots of stones right now!
Hi my question is largely based on this as last year we had a new kitchen fitted and a washing machine MOVED. It is now currently taped into the ubend and has fits where it either doesn’t rinse OR doesn’t spin well! Due to both things happening at the same time plus the fact the washing machine was a refurb newby to the house too I have no idea where to start to fix the issues cos the machine seems to have a mind of it’s own and can keep soap for 3 cycles on the run (if not double it) but has no rinse cycle (just spin) and only seems to behave on ‘cotton intensive (2 hours long) how do I go about troubleshooting this..please help we’re a family of 5, 3 children at school, 4 of us suffer with very dry skin and I can’t keep ‘washing’ every load 4 times to get rid of soap! It’s a Curry’s basics washing machine I think (no brand and for the first 2 weeks we had it it worked like a dream!!) Currently watching the end of a synthetics wash (3rd time lucky NOT) no soap since3 first wash and the drum is still full of soap (and yes it quite often doesn’t spin the water out either like I said broadly based question!) starting to wish I had a big pond w
ith lots of stones right now!
Hope so :)