The Graco 289039 Air Valve Kit Assembly is a genuine internal replacement part for controlling and directing compressed air inside compatible Graco AirPro spray guns, ensuring smooth trigger operation and consistent atomization.
The Graco 289039 Air Valve Kit Assembly is a genuine internal replacement component designed to regulate and control compressed air flow inside compatible Graco AirPro spray guns. It ensures smooth trigger response, proper atomization, and consistent spray performance by maintaining correct air routing through the gun’s valve system.
| Function | Purpose |
|---|---|
| Air Flow Control | Directs and regulates compressed air inside the spray gun body |
| Trigger Operation Support | Enables smooth on/off air actuation when pulling the trigger |
| Atomization Stability | Maintains consistent air pressure for uniform spray patterns |
| Leak Prevention | Helps seal internal air passages to prevent air loss |
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