This burner access door (part number AS29254-5C) is for water heaters.
Burner access door AS29254-5C attaches to the outer cabinet and covers the opening to the burner and pilot.
Wear work gloves to protect your hands when installing this part.
AS29254-5C (or AS22613-B)
The manufacturer substituted part AS22613-B with this new part AS29254-5C
Plumbing and Heating