Blue flame sensor QRC 1A1.1703 D27 plug-in/E-part, from 01/2025 H2-Ready Intercal 88.70020-0186

Blue flame sensor QRC 1A1.1703 D27 plug-in/E-part is designed for flame monitoring in burners and boilers operating on gas or liquid fuel. This model, as of 01/2025, meets the H2-Ready standard, meaning it is prepared for use with hydrogen-containing fuel mixtures. The sensor is designed as a plug-in element with a diameter of 27 mm, simplifying installation and replacement in existing equipment. Thanks to the blue flame detection principle, the device provides reliable combustion monitoring and enhances the safety of heating systems. This component is suitable for service and repair of boiler equipment where replacement of a faulty or outdated flame sensor is required.