Century Magnetek 2 speed motor centrifugal switch contacts - wishbone style Found on all Magnetek 2 speed pump motors supplied in Australia by early model Waterway Executive 2hp 2 spd pumps approx 2000, 2001(may be found on Lanark and Maax Spas in particular), as well as all LA Spas up to 2004, as well as LA Spas with 3 pump systems to present. Also used in many other spas in the past decade. Also used in recent times by Spaquip for their 2spd Maxi-Flow pump range.