Kitchen tap aerator fallen out (Ed.)

[Bender000]

These bits fell into my kitchen sink from the mixer tap. I have no idea what order they should go back together in, nor do I know if the part is broken so I can reorder. I think it's called a "faucet aerator" (I'm in the UK and that's an American sounding name?), but there are loads on eBay and I can't work out which to buy as a replacement.

In particular the replacements on eBay don't seem to have a part 3 and 4 as per my image.

Very confusing.

 

[robinbanks]

I think 3 and 4 locate together by the central shape, and go inside 2, with 6 on top and 1 underneath (1 is currently upside down relative to how it would be in the tap), then all inside 7, 5 on top and the whole pile screwed into the tap. It probably worked loose over time and fell off, scattering its contents

When reassembled you should be able to see 1 by looking at the tap spout and 5 is the seal that stops the water bypassing it and leaking down the metal collar.

An aerator's ability to achieve reduction in water use is partly psychological and your tap will work without it if needs be.. you're free to not turn the tap on quite so much if you want to achieve a similar reduction, but the water stream won't have that shapely fluffy appearance!

If it doesn't seem to go together nicely there ain't much to lose by jiggling the order - I'm certain that 1 is the thing you see in the spout when it is all assembled, and the first device that the water hits, after the sealing washer is the fine holed disc so it's not much reordering to trial and error the other parts

 

[JohnD]

Part 7 should screw on to the spout. If it doesn't, one of the screw threads is worn out or damaged.

If it does, remove part 7 and put the inserts into it. The rubber washer goes in last so it presses against the tap spout.

If you want a new aerator, your water company might send you a free one as it reduces flow and hence waste. I think the free ones I've seen are plastic and have a male thread, they've been for bath and basin taps.

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[Bender000]

Thanks both. I think I've managed to piece it together apart from the fact that it still wants to drop out of the bottom of the tap - which makes me think that something's broken somewhere, or that hot water has eroded something somewhere.

There appears to be a little bit of a gap between the silver outer spout (7) and the first inner dark grey ring (2). See image.

Tomorrow I might take a trip to the local shop and see if they've got a replacement. However if my memory serves correctly it was really hard to find a replacement last time as well....

 

[JohnD]

Will part 7 attach on its own?

 

[robinbanks]

it still wants to drop out of the bottom of the tap

Does part 7 look in good condition or are there indications the screw thread part has sheared and is now shorter than it should be?

Does the rubber sealing washer stick up too proud to let the threads start to screw together?

(Agree with John's test of seeing if it screws in on its own)

 

[Bender000]

Yes, Part 7 is fine, it screws into the tap no problem.

 

[Bender000]

Been to 5+ local shops, no one has one although one chap told me it's a 19mm one that I need.

Going to look on eBay.

 

[Bender000]

But I can't find 19mm on eBay...

 

[JohnD]

Plumbing threads are often measured in fractions of an inch.

Amusingly, the nominal BSP size is never the actual measurement.

 

[robinbanks]

Can you post a video of it screwing in fine on its own and another of it not fitting when assembled? Perhaps it will become obvious that the stack is too high and needs assembling a different way..

 

[Bender000]

Can you post a video of it screwing in fine on its own and another of it not fitting when assembled? Perhaps it will become obvious that the stack is too high and needs assembling a different way..

I can post whatever you need. However, it screws in fine assembled and also when not assembled. The problem is that when I put all the bits into part 7 and screw it in, they all immediately fall out from the bottom of the tap.

I'll make a video showing what I mean.

Thanks.

 

[JohnD]

I wonder if the rim of the attachment has worn away, or if there used to be a sealing ring that has broken up.

 

[robinbanks]

Can you take a picture of item 7 but the other way up compared to your original photo ?

 

[Bender000]

Can you take a picture of item 7 but the other way up compared to your original photo ?

Have attached pics from both ways.