Complete 2 Systems 2 EPA Heating Maintenances. US Trane 80% Gas Furnace: Checked tstat and air filter. Checked Blower Motor amp draw and run cap. Checked electrical connections. No CO detected. Burners are clean. Flame sensor is clean. Checked amparage on draft motor, checked draft motor run cap. All safety switches are on great condition. System is running great at this time. DS Trane Gas Pak: cycled system. Checked tstat and air filter. Checked Blower Motor amp draw and run cap. Checked electrical connections. No CO detected. Burners are clean. Flame sensor is clean. Checked amparage on draft motor, checked draft motor run cap. All safety switches are on great condition. System is running great at this time.