Graco 221077 Pressure Dump Valve
The Graco 221077 Pressure Dump Valve safely releases trapped pressure and allows smooth switching between spray and prime modes for reliable sprayer performance.
- OEM Graco replacement part
- Essential for safe pressure relief
- Improves priming and flushing
- Fits select Graco airless sprayers
Reliable Pressure Control for Airless Sprayers
The Graco 221077 Pressure Dump Valve is a genuine OEM replacement valve designed to safely relieve fluid pressure in compatible Graco airless paint sprayers. This valve plays a critical role in switching between spray and prime modes, flushing the system, and protecting internal pump components from dangerous pressure build-up.
Compatible Machines
- Graco EM 490
- Graco Ultra Plus 1500
- Graco GM 3500
Product Overview
| Part Number | 221077 |
|---|---|
| Product Type | Pressure Dump / Prime Valve |
| Function | Safely relieves system pressure and allows priming & flushing |
| Brand | Graco |
| OEM | Yes |
| Application | Airless paint sprayers & high-pressure fluid systems |
Key Benefits
- Provides safe and controlled pressure relief during operation.
- Essential for proper priming and system flushing.
- Helps prevent pump damage caused by trapped pressure.
- Direct OEM replacement for reliable fit and performance.
- Improves overall safety during maintenance and shutdown.
Installation Notes
This valve is mounted directly into the pump fluid section. Always ensure the sprayer is fully powered off and pressure is released before replacing the valve. Use proper thread sealing where required and follow the machine service manual for correct torque specifications.
Frequently Asked Questions
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