The 63-5165 is a low pressure burner that measures 10” in diameter, venture is tapped for 1/4” FPT for orifice valve installation, burner mounts using four lugs on perimeter which are pre-drilled and tapped and at 11” W.C. consumes 56,500 BTU/hr. Commonly referred to as a banjo or jambalaya burner this unit is widely used in Cajun cooking and in home beer brewing. (Utilizes the 63-5165V orifice valve, purchased separately.)