Installed new Payne heat pump. Installed new extended supply plenum. Installed new plywood overlay. Re used existing thermostat. Rebuilt, cleared and insulated primary drain line. Installed SS2 Safety float switch. Installed all pre existing duct work and sealed all seams with mastic. Installed new outdoor disconnect. Ran low voltage in 1/2 inch sealtite. Pressure tested lineset and pulled a vacuum. Weighed in additional charge to meet manufacturer specifications. Tested system operation. Everything is working at completion of service.