The Frymaster 8261356 Orifice #72 helps regulate gas flow for proper burner operation in compatible commercial fryers. This precision orifice is a small brass or metal fitting with a calibrated opening designed to control the amount of gas delivered to the burner. It works by restricting gas flow to a specific rate, allowing the burner to produce an appropriate flame for efficient and... https://partsfe.ca/orifice18-npt-72-for-frymaster-part-8261356