Rinnai Part: Burner Cap

Rinnai Gas Appliance Part, Kitchen Part [151-403-000]

This is a metal cap that sits on top of the burner.
It is new and unused because I purchased the wrong size.

Diameter 64.3 x Inner Diameter 23 (mm)
Top: Gray, Bottom: Black
There is an H engraved on the top and AH15 engraved on the bottom.

Please confirm the model number before purchasing.