Viessmann 7819967 Sensor 319847-401 This 120V to 24V step-down

This 120V to 24V step-down transformer provides a consistent 50VA power rating

This 1/2 HP motor operates at 115V and delivers a versatile speed range of 1050 to 600 RPM

allowing for precise tracking of damper orientation

Designed with a robust 5-inch diameter steel shell

Ensure the brown common (C) wire and red (R) wire are correctly oriented on the new spade terminals to protect the logic circuit

Viessmann 7819967 Sensor 319847-401 This 120V to 24V step-downThe 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