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Request Maintenance Service OnlineWith this online maintenance service request form, you have added convenience of instantly requesting Gundaker Commercial customer service via the Internet. Online service requests are accepted Monday through Friday, 8:00 a.m. to 4:00 p.m., Central time. If you need service outside of this time frame, simply call Gundaker Commercial’s after-hours emergency dispatch number (314) 576-9235. When making a request online, you will receive an email acknowledgement of it within 30 minutes, along with a scheduled appointment time. If you do not receive acknowledgement or you wish to modify your request, please call (636) 728-5163. |