Compatible Machines for Graco 17J880 Outlet Valve Repair Kit
- Graco Magnum ProX17 Electric TrueAirless Sprayer (Stand & Cart)
- Graco Magnum ProX19 Electric TrueAirless Sprayer (Stand & Cart)
- Graco Magnum ProX21 Electric TrueAirless Sprayer (Stand & Cart)
The Graco 17J880 Outlet Valve Repair Kit is a genuine OEM solution designed to restore proper pressure control and material flow in Graco ProX series airless paint sprayers. The outlet valve plays a critical role in maintaining consistent spray output by preventing backflow inside the pump, making this kit essential for resolving pressure loss and pulsation issues.
What’s Included in the 17J880 Kit
- Hardened outlet valve seat for reliable sealing under high pressure
- Stainless steel check ball for consistent valve operation
- Spring and retainer components to maintain proper valve tension
- High-durability seals designed for airless pump applications
Key Benefits of the 17J880 Outlet Valve Repair Kit
- Restores consistent spray pressure by preventing internal backflow
- Reduces pump pulsation for smoother spray patterns
- Extends pump life by maintaining proper internal sealing
- OEM Graco quality ensures correct fit and dependable performance
Installation Tips
Always relieve system pressure and disconnect power before servicing. Remove the pump housing to access the outlet valve, replace all components included in the kit, and torque according to Graco specifications. After installation, prime the sprayer and verify stable pressure during operation.
Frequently Asked Questions
Common symptoms include pressure loss, pump pulsation, uneven spray patterns, and material flowing back into the pump instead of toward the hose.
This kit is designed for ProX17, ProX19, and ProX21 electric airless sprayers. Always verify your sprayer model before ordering.
If your pump has high hours or ongoing pressure issues, replacing both inlet and outlet valves together can help restore full pump efficiency.
