Product Information
Burner Flange (inner ring)
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The Burner Flange (inner ring), Bosch part no. 7738004989, locates and seals the burner inside the combustion chamber to maintain correct alignment during operation and service. As a Bosch service part for gas-fired burners and boilers, the inner ring aids field replacement and preserves burner positioning for consistent ignition. No official listing for 7738004989 was located on bosch-homecomfort.com or bosch-climate.com; this description uses the part name and category conventions.
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