The Southbend B93-00008 Flame Sensor 90° is a dependable ignition safety component designed to verify active burner flames in commercial gas equipment. This flame sensor works by detecting the electrical signal produced when a flame is present, allowing the control system to confirm proper ignition and keep the gas valve open. If the flame is not detected, it signals the system to shu... https://partsfe.com/b93-00008-southbend-flame-sensor-90-deg