

The Graco 17V782 Pressure Control Kit ensures smooth, consistent pressure control and reliable spray performance on compatible Magnum models.
This kit fits the following Graco Magnum homeowner sprayers that use the diaphragm-style pressure control.
It’s a factory replacement pressure control/switch assembly that regulates output pressure on select Magnum sprayers. A healthy pressure control delivers consistent atomization, reduces overspray, and helps your sprayer start up and prime reliably.
| Graco Part Number | 17V782 |
|---|---|
| Kit Type | Pressure Control / Switch Assembly (diaphragm type) |
| Includes | Pressure control (pre-assembled), 2x labels, repair/installation manual |
| Primary Function | Regulates and stabilizes pump pressure for smooth, consistent spray |
| Typical Symptoms Resolved | Erratic pressure, hunting/surging, limited max pressure, poor atomization |
| Compatible Series | Magnum X5, Magnum X7, LTS 15, LTS 17, Project Painter Plus |
| Install Difficulty | DIY-friendly with basic tools; follow model-specific manual |
Always unplug, relieve pressure, and follow your sprayer’s manual. At a high level:
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