Viessmann
Collector temperature sensor No. 6 Viessmann, 7814617 Burner No.:7141654, 7141655, 7170925, 7170926, 7176449, 7176450, 7176451, 7176452, 7176453, 7190176, 7190177, 7190178, 7198328, 7450120, 7450121, 7450124, 7450125Manufacturer No.: 7814617