I got a couple running in my HLT to replace the KegKing ones as they blew up.
Feedback on these
Fit up no problems using the same hole.
You do need to supply your own nut.
It does not have a housing for the electrics, so you need to build something
It does not have an earth point, so I soldered a crimp to the body of the element.
The one you linked to is 3,000w. So you cannot run it from a standard 10amp GPO, you will need a 15amp.
The first one is about 10 brew old, the second is about 5 brews. Both have worked perfectly so far.
Here's a pic of the earth