I've got a porcelanosa rain shower head (item #100067715) in my master bathroom, and it is hanging from the ceiling. The connector piece seems to have sprung a pin-hole leak and is spraying out mist. Looking on the porcelanosa website, I only see the shower head itself - not the roughly 7" square connector pipe that is actually leaking. What is the name of that part, and is it the kind of thing that I can pick up at one of the big HW stores?

This is the link to the shower head:


and here is the tech specs: https://pdfgenerator.porcelanosagrupo.com/generar_FTEC_PDF.php?articulos=100067715&lang=ENG&un=1&mercado=USA&output=I&test=1

It indicates that the connector is 1/2"-14NPT. But the connector's cross section is square (presumably for aesthetics, with a round pipe inside). What is the name of this kind of pipe?

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  • 1
    Not really sure it would have a specific name besides fancy designer shower tube/pipe. The fitting size at top and bottom is the most important, the shape is only designer looks.
    – crip659
    Commented Dec 15, 2022 at 21:56
  • That 7" arm is apparently a custom part for Porcelanosa. They show one with a 45 degree bend online. Your best bet is to contact the company directly.
    – HoneyDo
    Commented Dec 15, 2022 at 22:12
  • aliexpress.com/item/1005002240931727.html no doubt worth every cent!
    – Jasen
    Commented Dec 16, 2022 at 11:10
  • Do you know what's happening above the ceiling?
    – Huesmann
    Commented Jan 15, 2023 at 14:53

1 Answer 1


"Square shower arm" gets many results in an internet search. Your item does not appear to have any close connection with the actual shower head.

  • how is this a answer
    – Traveler
    Commented Dec 16, 2022 at 0:12
  • It's a flat square shower head fed from above - see photo.
    – Jasen
    Commented Dec 16, 2022 at 10:56
  • shower [head] arm, straight, +1. ... It's called propitiatory. .... "at one of the big HW stores?" Probably not. That's an Amazon special, obviously of the highest quality given that it leaks.
    – Mazura
    Commented Jan 15, 2023 at 5:26

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