Description
ensure the flame sensor is clean
and switches must be transferred from the existing unit or purchased separately
Frame Size: 48Y Replacement Compatibility
Replacing a failed thermal limit switch is essential for preventing blower motor short-cycling and protecting the primary heat exchanger from structural fatigue caused by overheating
Viessmann 7819967 Sensor 326058-756 ensure the flame sensor isThe Viessmann 7819967 Sensor is a critical NTC thermistor engineered for precise temperature monitoring in Vitodens 200 W and Vitodens 100 W series condensing boilers. This dual purpose component functions as either Sensor #3 for boiler water temperature or Sensor #5 for Domestic Hot Water (DHW) tank monitoring. Designed to provide high accuracy resistance feedback to the Vitotronic control platform, it ensures the burner modulates correctly based on