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The on/off control move the damper fully open or closed
this unit modulates fan speed based on direct pressure input
ensuring accurate thermodynamic feedback
By utilizing a genuine Lennox furnace pressure switch
This component typically consists of the coil cell itself
Viessmann 7820148 Sensor L99H008 The on/off control move theThe Viessmann 7820148 Sensor serves as the primary outdoor temperature sensor for weather responsive heating systems, enabling critical compensation logic for gas condensing boilers. Engineered for high accuracy ambient monitoring, this NTC thermistor ensures the Vitotronic 200 and 300 control units can dynamically adjust the heating curve based on real time meteorological data. By integrating this OEM replacement part, technicians can resolve common
US$ 150.00
US$ 40.00
