Our library of CT850ENT support articles includes resources for previously manufactured models. To determine the model type that you should reference, locate your treadmill's serial number. Need help? See our article: "Locating Your Treadmill Serial Number."
Note: If you own a CT850ENT model that is not listed below, please contact the Spirit Service Department directly for assistance.
CT850ENT
Serial Number: Begins with 850851XXXXXXXXXX
