Kitchen Sink Trap - Inspection Cap or Blank Molding?

[Calman]

Hi folks!

Amateur at the plumbing game and would like to ask a question regarding slow draining from kitchen sink recently. I am guessing it's simply a gunged up trap, so I have attached a photo of the base of the trap itself and would like to ask if the cap in the photo is actually threaded or simply a molding blank?

It may sound like a stupid question, but I would rather ask the experts before attempting to turn something and at worst, break the trap!!

(skewed iPhone angle from underneath the trap)


Any help or input welcomed.


All the best,
Cal

 

[Dj2]

I wish you had a side picture, but it looks like a threaded cleanout.
Out here we use traps with slip joints.

 

[Sponsor]

 

[Plumber69]

That will unthread easily

 

[Calman]

Many thanks for the replies ... really appreciate it!!!!

This is VERY old plumbing, so the vertical is threaded "slip joist" and the horizontal is a glued trap connection. I will keenly look at this inspection/cleanout nut in the morning, so thanks again for the advice and re-assurance. The last thing I wanted to do, was overstress the trap, but feeling more confident to address the issue in the AM.

All the best,
Cal

 

[Calman]

.. slip "joint" even!!! lol

 

[Calman]

Update:

Well, the little project was a complete success!!! .... so thanks to everyone for their help & support, I really appreciate it.

As you mentioned, it was indeed a threaded cleanout cap and did unscrew with ease (makes a nice change). I used extended long nose thin pliers to remove the debris. Of course, what came out of that hole was pretty disgusting and carried a complimentary aroma too!!! (a short cocktail straw and PILES of Gunge/Hair and Sludge). Every moment I thought the trap was clear, another collection came along!!! lol

Anyway, all clear now and both sinks draining in luxury fashion.

Cheers to ALL.
Cal

 

[Calman]

Ooops! ... meant to include this "after shot" above!



Cheers again!
Cal