Systems and methods for mitigating condensation in a sensor module

A flow sensing module comprising:

• a housing having an inlet port, an outlet port, and one or more flow channels extending from the inlet port to the outlet port, where each of the one or more flow channels is defined by internal walls that are exposed to a flow of fluid flowing from the inlet port to the outlet port of the housing;
• a sensor at least partially positioned within the housing and exposed to one or more of the flow channels, the sensor is configured to sense a measure related to a flow rate of fluid flowing from the inlet port to the outlet port of the housing;
• and
• a heater configured to heat the sensor to a temperature that is above a temperature of the flow of fluid received at the inlet port of the housing.

A method of sensing a measure related to a gas flow rate provided to a combustion appliance comprising:

• receiving a gas flow;
• cooling the gas flow via a passive heat sink and draining any condensate;
• heating a flow sensor to a temperature above the temperature to which the gas flow was cooled;
• providing the cooled gas flow to the flow sensor;
• sensing a measure related to a flow rate of the cooled gas flow using the flow sensor;
• and
• controlling a combustion appliance based at least in part on the measure related to the flow rate of the cooled gas flow.