how to ID tunze powerheads

[sirruckus]

I got two used powerheads that I had to use right away, so never got a chance to clean them. Is there a model number or anything stamped on the units to tell what model they are?

[apexifd]

Take the front cover off, And you should be see it behind he impeller.

[sirruckus]

Thanks!

confirmed one as a 6015 and another as 6055