Robertshaw 10-681 Flame Sensor Carrier LH33WZ511

The Robertshaw 10-681 Ignition Control Flame Sensor is used to verify burner ignition in heating systems. It operates by sensing the presence of a burner and sending a confirmation signal to the system, allowing the appliance to continue operating safely after startup in HVAC systems. It is installed in furnaces, boilers, and gas heating systems that use electronics. The monitoring combustion status, supporting preventing unburned fuel flow, supporting proper ignition sequencing, and assisting the control system in maintaining safe and stable heating operation.