This screw is used to hold the front cover of the IQ 2000 and IQ 2020 box in place   This screw is not compatible on models made between 2007 and 2009 5 or older models with the upgraded heater relay board (Item #77119)   The screw is too long and will hit ...read more

This screw is used for holding the IQ 2000 and IQ 2020 control boxes in place on the mounting bracket in Hotsprings, Tiger River, and Limelight spas