what model is this?

[harsaphes]

on the top of my tunze powerhead it says 7240/2

I cant find this listed as a model number on any vendor sites.

Any help?

 

[rvitko]

It could be a 7100/2, 7200/2, 7300/2 or 7400/2. A 7100/2 has a 19V transformer and 1/2" high pressure outlet. The 7200/2 is 11V, 7300/2 is 16V and 7400/2 is 19V all with 1" outlets.