Overview Product Description Burner control unit Viessmann, 7815326 Unit gas burner, boiler MB, Unit gas burner, boiler MirolaBurner No.: 7218360, 7218361, 7218362, 7218630, 7218631, 7218632, 7218632, 7259717, 7259718Manufacturer No.: 7815326 Product Videos Custom Field Product Reviews