The GRACO 17D888 is a replacement potentiometer kit designed for use in GRACO sprayer control boxes. It is an electronic component typically constructed from durable plastics and metals, intended to provide precise control and accuracy for pressure settings in compatible GRACO sprayers. Key Features: Potentiometer kit 17D888 GRACO 395, 490, 495, and 595 PC sprayers Precise control and accuracy for pressure settings Reliable replacement part for maintaining equipment performance Easy to install with provided instructions Applications:Used for replacing the potentiometer in the control box of GRACO 395, 490, 495, and 595 PC sprayers to ensure accurate pressure control during spraying operations. Installation Notes: Using a genuine GRACO replacement potentiometer ensures compatibility, reliability, and maintains the safety and performance of your sprayer. Follow the Pressure Relief Procedure before servicing: turn OFF switch, wait 7 seconds, engage trigger lock, set pressure control to lowest, relieve pressure, and drain system. Refer to the detailed instructions included with the kit for step-by-step installation. Always consult the sprayer’s owner manual for additional safety and maintenance information.