David M Wyalusing , PA April 07, 2018 Appliance: Maytag Gas Dryer MDGT446AWW Maytag Dryer Mdgt446aww: Heat would come on then go off in about one minute or less. How to replace Thermostat And Mounting Plate Kit. Replaced coil kit part number AP3094251. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes