On this episode we talk with Peter Wolff from Armstrong Fluid Technology. We discuss, pump cavitation and the damage it can cause to pump impellers. Save 8% at https://www.trutechtools.com/ using code knowitall. Armstrong Cavitation webinar http://info.armstrongfluidtechnology.com/lp-cavitation-replay-0-0. Cavitation YouTube Video https://youtu.be/0dd6AlyOnfc. Chinook Filter Cleaner https://www.coolairproducts.net/chinook-1lt/. Yellow Jacket https://yellowjacket.com/. Testo https://www.testo.com/en-US/. Navac https://navacglobal.com/. Housecall Pro https://www.housecallpro.com/hvacknowitall. CMPX https://www.cmpxshow.com/cmpx-welcome.cfm?main=17