Carrier HH98AA010 Carrier Sail Switch

The Carrier HH98AA010 is an essential safety part called a sail switch intended for Carrier HVAC apparatus, probably furnaces.s. This small but vital switch is one of the most essentialcomponents to assures safety and efficiency. If enough air from the blower fan hits the paddle it will close the switch. This closure normally triggers the furnace control board to energize ignition and fuel feed for heating operation. The sail switch interrupts the furnace from attempting to ignite if there is inadequate airflow in the combustion chamber. This safety measure prevents probable cases of overheating or combustible threads within the home circuit. Proper airflow before the ignition switch is useful in proper fuel burning besides heating performance.