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Plug-and-Play: Pre-programmed for specific Utica and Dunkirk boiler ignition sequences
Integrated Protection: Includes a replaceable 3-amp fuse to protect the motor board and transformer from low-voltage shorts
Key Benefits for Technicians: Universal Compatibility: Replaces older versions like 47-21776-02 and 8404-5548 without needing structural modifications
typical of residential and light commercial split systems
Siemens Combustion QRA10M.C Sensor R-22 Plug-and-Play: Pre-programmed for specific UticaThe Siemens Combustion QRA10M. C Sensor is a high sensitivity UV flame detector designed for the intermittent supervision of gas and oil flames, as well as ignition spark proving. Engineered for industrial burner controls, this sensor features a spectral sensitivity range of 190 to 270 nm, ensuring it reacts only to the ultraviolet radiation of the flame and remains blind to glowing firebrick or ambient lighting. The high sensitivity UV cell is housed
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