Correct, the BM150 is not a recirc so it just uses the aquabee.
My BM100 is working nicely so far. I do have the Atman pump rather than the aquabee since it's the BM100, and I have restart issues... I have to blow into the venturi to get it rolling again. If I had paid more than 150 bucks, I would complain more, but I'm getting very nice skimming from this unit (despite my minor water level fluctuations in the sump) and it meets my criteria of very very quiet since my tank is in the bed room so I can overlook (for now) the pump restart issue. If it become more than just having to blow into the airline, well that will be a whole other matter.