No, this Montague Broiler Burner does not come with a burner orifice. Depending on which heating style you use (natural gas or liquid propane) there are orifices available. The appropriate product numbers are below:
NG: #6150-6 LP: #2566-6
We do not feature these orifices on our website, but if you give our friendly sales team a call at 1.888.688.6372 we'll be more than happy to order them for you.