I have had the door glass gaskets replaced I replaced the door gasket, the grill lid gasket and the ash can gasket. . catalytic combuster is good. I only put in 3-4 split logs, they are not super dry. I close the damper at 300⁰ and thermostats handle at 400⁰-500⁰. The griddle thermometer still heats up to 700⁰. Any ideas would be grateful. Have had this stove for 20 years never had that problem.