Drolet ECO-65 Owner's Manual page 34

Step 3:
Remove all 5 bolts retaining the upper cleanout trap. Remove the worn gasket and clean-up the contact
surfaces. Clean-up the dirty area inside the appliance with an ash vacuum. Apply gasket #21348 from AC09190
on the cleanout trap. Put back in place the cleanout trap with its respective bolts.
Step 4:
Put back in place the side air jacket access panel and re-attach all 9 spring clips.