OEM prime valve repair kit used to restore proper pump start/stop fluid control:
The Graco 24Y321 Kit, Repair Prime Valve is a genuine OEM service kit designed to replace or rebuild the prime/dump valve assembly within compatible Graco spray pumps. A properly functioning prime valve is vital for correct fluid direction and pump priming.
| Component | Purpose |
|---|---|
| Valve Seals | Restores leak‑free prime valve sealing |
| O‑Rings | Prevents fluid bypass around moving components |
| Valve Seats | Ensures correct seating during prime/dump cycles |
The prime valve controls fluid path during pump startup and shutdown. Worn seats or seals can lead to backflow or difficulty priming — replacing these components restores proper operation and helps avoid downtime. :contentReference[oaicite:7]{index=7}
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