Thank you for viewing. This is a set of 3 burner caps for Rinnai gas appliances. The model numbers are 151-430-000/2 (2 pieces) and 151-430-000/1 (1 piece), all unused. How about these for replacements or spares? [Manufacturer] Rinnai [Model Number] 151-430-000/2, 151-438-000/1 [Quantity] 3 pieces [Color] Silver [Condition] Unused, but please forgive minor scratches and dirt on the outer box due to storage. Thank you. Rinnai Burner Cap for Small Burner 151-438-000 1 piece Brand: Rinnai Burner Cap for Standard Burner 151-430-000 2 pieces Brand: Rinnai Quantity: 1.0 piece Rinnai Burner Cap for Standard Burner, Gas Table Only 151-295-000 (Black) Brand: Rinnai Please refrain from purchasing if you are looking for perfection. No returns.