Installed Payne 2 ton furnace. Installed new plywood overlay. Installed new supply plenum. Rebuilt and insulated primary drain line. Installed SS2 and cleared drain to verify operation. Sealed all connections with mastic. Installed new Ecobee lite thermostat. Installed new disconnect and whip and ran low voltage in 1/2 inch seal tite. Verified system charge was at manufacturer specifications. Everything is working at completion of install.