Aprilaire 4594 Limit Switch R-407C including the CDN040

including the CDN040

10" WC rating mean

this CW rotation fan blade features a 1/2 inch bore on the discharge side

Always verify that the motor is rated for use with solid-state speed controllers to avoid overheating the windings

Aprilaire 4594 Limit Switch R-407C including the CDN040The Aprilaire 4594 Limit Switch is a critical safety component designed for high performance Aprilaire humidification systems. This genuine High Humidity Limit Switch serves as a reliable manual reset safety switch, engineered to prevent excessive moisture accumulation and potential water damage within your HVAC ductwork. By monitoring humidity levels directly, the Aprilaire 4594 ensures your system operates within safe parameters, providing essential