Aprilaire Model 1850 Commercial Whole Home Dehumidifier - $500 (Fitchburg)

Aprilaire Model 1850 Commercial Whole Home Dehumidifier (Oregon/Fitchburg) condition: like new make / manufacturer: Aprilaire model name / number: 1850 Like NEW Aprilaire Model 1850 commercial grade whole home dehumidifier.
Paid $1700 Used for 9 months.
Pretty much brand new.
Asking $500 FIRM Moved so longer needed.
Water issues? Wet Basement? Leaks or Moisture issues? Always Sick? Can be connected to duct work or stand alone.
Have all paperwork and instructions