Pay in 4 interest-free payments of $27.13 Learn more
Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
or a drop in the DC microamp signal below the controller's threshold despite a healthy visible flame
allowing for seamless integration into Lennox residential AC units and heat pumps without the need for extensive piping modifications
it is the designated York replacement for A95-30-11-84
the A166 ensures optimal airflow in furnace draft induction and ventilation systems
Viessmann 7820148 Sensor 320788-704 or a drop in 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