Rebuilt and insulated condensate drain line. Cleared and treated drain. Replaced secondary drain pan. Installed new filter dryer, pressure tested with dry nitrogen and pulled a vacuum on the copper line set. Installed Stage 3 and Stage 4 Breathe Easy packages. Replaced both supply and return plenums and sealed with mastic airlock. Installed surge protector at the outdoor main panel. Charged system to factory spec. System is working properly at time of departure.