From 8 am to 5 pm EST, use the 800 HelpLine: 1-800-437-8993The HelpLine is available to help answer questions about specific water problems,appliance installation and operation. When calling the HelpLine, please have this guideand the serial number of your appliance available. Your serial number may be found ontop of your valve assembly (See figures 2-3.)Date of Installation: __________________________________Model Number: _____________________________________Serial Number: ______________________________________Returned Limited warranty Card Date: ___________________1Questions