Use a multimeter to verify it stays within +/- 5% of its 12

While individual components exist

Field-Serviceable Design: Large sediment chamber and strainer allow for easy blow-down and maintenance

while electrical failure is typically due to a burnt-out solenoid coil or improper voltage supply

It is rated to handle three-phase motors up to 15 HP at 480V

Carrier HK06MB026 Pressure Switch 318820-201 Use a multimeter to verifyThe Carrier HK06MB026 Pressure Switch is the direct engineering successor to the HK06NA018, primarily utilized in high efficiency Carrier, Bryant, and Payne gas furnaces. As a Factory Authorized Part (FAP), this replacement ensures seamless integration with the inducer motor assembly to verify proper venting and combustion airflow. Designed for 24V control circuits, this differential air pressure switch is calibrated to respond to specific water