Photoresistive flame sensor QRB1B-A033B40B Siemens (L+G) Intercal 88.70020-0080

Photoresistive flame sensor QRB1B-A033B40B from Siemens (L+G) is designed to monitor the presence of flame in burners and boilers. This component provides reliable flame detection, which is critical for safe and stable operation of heating equipment. The sensor uses photoresistive technology, ensuring accurate response under various operating conditions. Model QRB1B-A033B40B is suitable for use in burner automation systems requiring high sensitivity and durability. When replacing a faulty sensor, it is important to install an original component to maintain correct operation of the combustion control system. This sensor is a popular spare part for service and repair of boiler equipment.