I'm using this pump to circulate a 25% glycol mixture from an IceMaster 100 through a jacketed unitank, managed by an inkbird controller. It works great, no problems, and the pump is very quiet - much quieter than the glycol chiller itself.

The PMP602 Submersible Pump works fine for what it was designed to do. But not for what I'm using it for, because I'm using it for pumping ice cold water out of a freezer that is set at 34 degrees Fahrenheit and into and through a plate chiller. The water flows rather slow, almost too slow. I have to adjust the ball valve from the brew pot line on the plate chiller to slow the wort flowing into the fermentation vessel rather slow to arrive at 68 degrees Fahrenheit.