Quality control failure

[unixronin]

The good news:  New Möen showerhead for the upstairs bathroom, that has a torrent-style fixed head and a handheld "shower massage" head, and you can use either or both at once.

The bad news:  Can't fully assemble it because there's bad threads on one of the crucial joints, and so the handheld unit flat-out will not mount properly.  You can force the coupling on about one turn if you use a wrench, but it leaks like a sieve.

The debate:  Return the whole thing tomorrow and exchange it, or get Möen to replace the defective parts?  I'm leaning towards returning it, but I suppose if we can get Möen to pull the appropriate replacement parts, make sure they fit, and then overnight them to us, then we'll know we won't have the same problem again with the replacement.  And we can use the fixed head in the meantime.

(The fixed head is the type I prefer anyway.  Silly me, I like the spray pattern of my showerhead to be a filled circle or oval, not a ring with nothing in the middle.)