This is the New 7 slot replacement burner with orifice for the Norcold 1200 series 4 Door Refrigerator

If you are having cooling issues while on the LP gas mode only, but cooling is very good on the AC mode you need to clean your burner and orifice. You can not go by the flame is a nice blue flame.

 If you have cleaned without correct cooling,

you will have to replace the burner, Norcold Part # 629013