The Garland 1020852 hood orifice with brass high fitting is designed to help regulate and deliver a precise flow of gas to commercial cooking equipment for consistent burner performance. Featuring a 3/8"-27 x 1/2" configuration and a #52 orifice size, it works by controlling the volume of gas passing through the burner system, supporting proper combustion and steady heat output. https://partsfe.ca/1020852-garland-orifice-52