Photoresistive flame sensor QRB1B-D025B40B Siemens (L+G) Intercal 88.70020-0090

Photoresistive flame sensor QRB1B-D025B40B from Siemens (L+G) is used for flame monitoring in burners and boilers. This component provides reliable flame detection, necessary for safe and efficient operation of heating equipment. The sensor uses photoresistive technology, ensuring accurate response under various conditions. Model QRB1B-D025B40B is suitable for burner automation systems requiring high sensitivity and stability. When replacing the sensor, it is important to use an original part to ensure correct operation of the combustion control system. This sensor is a popular spare part for service and repair of boiler equipment.