Leaky trap underneath kitchen sink

[loft_overflow]

Hi,
My kitchen sink trap/waste is leaky a bit from the connection highlighted below. It mainly happens when there is pressure (when I fill up the sink and open it in one go), and the connection becomes a bit loose and water starts pouring out. I have tried tightening cap, but after a while it drops down (especially when there is a lot of water coming from sink, it just pushes it down. Would I be able to just replace the two traps (I am really sure what it is called) coming from sink drain to this T shaped trap? Or do I need to replace the whole thing? What should I be searching for in screwfix/wickes? Thanks for the help!

 

[Deleted member 120897]

Ooh, I hate those types of arrangements. Yes recommend getting rid of the lot and using a McAlpine set of traps, or a kit. That washing machine hose is asking for trouble as well.

 

[Basher]

Perhaps it's an earlier version of one of these:

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Might be easier to replace the whole thing than work out which McAlpine bits you need!
Also available from John Lewis! Franke Siphon 2 Sink Plumbing Kit - https://www.johnlewis.com/franke-siphon-2-sink-plumbing-kit/p3240553
It also needs clipping to the wall to stop it slipping down!

 

[steadyon]

1. Push it back up into position.
2. Tighten the connections to right and left. Even better, dismantle, clean then reassemble and tighten.
3. Screw wooden block(s) to the wall tight up against the underside of the horizontal pipework. Should stop the pipework dropping under load.

 

[MOSSEP]

It looks like it could do with a few pipe clips to stop it dropping, that will stop the weight of water affecting it.