Description
The Rheem-Ruud AP17898 Pressure Switch regulates secure component used in water heating equipment to confirm proper airflow or vent pressure before system ignition. It is installed in furnaces or heaters to monitor the draft created by the inducer motor and ensure safe combustion conditions of HVAC systems. In light commercial applications, the switch communicates with the control board to allow or avoiding burner operation based on pressure readings. It supports protect the system from unsafe startup conditions and supports consistent, accurate heating performance during operation cycles.









