If all rigid metal duct cannot be used, then flexibleall-metal venting can be used, but it will reduce themaximum recommended duct length. In specialinstallations when it is impossible to make aconnection with the above recommendations, thenUL-listed clothes dryer transition duct may be used astransition venting between the dryer and wallconnection only. The use of this ducting will affectdrying time.If flexible transition duct is necessary, only UL-listedduct identified for use with clothes dryers is approved.The following directions must be followed.• Use the shortest length possible.• Stretch the duct to its maximum length.• Do not crush or collapse.• Never use transition duct inside the wall, flooring,ceiling or inside the dryer.• Avoid resting the duct on sharp objects.• Venting must conform to local building codes.12Customer Service Troubleshooting TipsOperating Instructions Safety InstructionsInstallation InstructionsCustomer Service Troubleshooting Tips Installation InstructionsSafety InstructionsOperating InstructionsCustomer Service Troubleshooting Tips Installation InstructionsSafety InstructionsOperating InstructionsExhausting the dryer.Exhaust System Requirements