Manual Fan Override: Integrated flexibility allows for continuous fan operation to assist with system diagnostics or airflow management

The White-Rodgers 3L09-13 Limit Switch is a mission-critical board mounted 1/2" bimetal disc limit switch designed for rapid response and high-speed contact separation in residential and commercial furnaces

Precision Metering: Size 00 bore provides exact mass flow rates required for low-capacity refrigeration and AC applications

To minimize nuisance lockouts in demanding environments

Optimized Performance: Specifically calibrated for 3

Carrier 51HK400163 Knob 321042-401 Manual Fan Override: Integrated flexibilityCarrier 51HK400163 Knob Notes Item is Non Cancelable Non Returnable