

The Graco 17A564 Thermal Relief Valve is a genuine OEM safety valve designed for GP and CAT pump systems to prevent pressure buildup from heat expansion.
*Always verify part compatibility using your sprayer’s service or parts manual.
The Graco 17A564 Thermal Relief Valve is a genuine OEM safety component designed for airless sprayers using GP and CAT pump systems. This valve automatically relieves excess pressure created by thermal expansion of fluid, helping prevent damage to hoses, pumps, and internal components during idle periods or high-temperature operation.
| Part Number | 17A564 |
|---|---|
| Product Type | Thermal Relief Valve |
| Pump Compatibility | GP & CAT Pump Systems |
| Function | Relieves pressure from thermal fluid expansion |
| Manufacturer | Graco |
Important: Always depressurize the sprayer completely and follow Graco service instructions when replacing safety components.
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