Compatible Machines
The Graco 18H150 Contractor Gun is designed to work with a wide range of airless paint sprayers using standard hose connections.
- Graco Ultra Series airless sprayers
- Graco Ultra Max Series airless sprayers
- Graco GMAX / GMAX II Series gas sprayers
- Graco GH Series hydraulic sprayers (GH 130, GH 200, GH 230, GH 300)
- Graco LineLazer Series striping machines
- All standard electric airless paint sprayers with 1/4" NPSM connection
- Most gas-powered airless sprayers supporting up to 3600 PSI
Product Overview
The Graco 18H150 Contractor Gun with RAC X LP 517 SwitchTip is a durable, contractor-grade airless spray gun built for professional painters. Featuring a 2-finger trigger, it reduces hand fatigue while delivering consistent spray performance across large surfaces.
Equipped with a RAC X LP 517 SwitchTip, this spray gun allows lower pressure spraying, reducing overspray while maintaining a smooth and even finish.
Key Features
| Gun Type | Airless Contractor Spray Gun |
| Trigger | 2-Finger Trigger for comfort and control |
| Tip Included | RAC X LP 517 SwitchTip |
| Max Pressure | Up to 3600 PSI |
| Filter | 60 Mesh gun filter |
| Connection | Standard 1/4" NPSM |
LP 517 Tip Explained
- Fan Width: Approximately 10 inches (ideal for walls and ceilings)
- Orifice Size: 0.017"
- Low Pressure Technology: Reduces overspray and improves control
Applications
- Interior and exterior wall painting
- Ceilings and large surface areas
- Latex and acrylic coatings
- Stains and sealers
- Light industrial coatings
Frequently Asked Questions
Yes, it is compatible with most airless paint sprayers that use a standard 1/4" NPSM connection and operate within the pressure range.
The LP (Low Pressure) tip reduces overspray, improves finish quality, and allows better control while using lower pressure.
Yes, the RAC X SwitchTip can be reversed quickly to clear clogs without removing the tip.
The 2-finger trigger provides better control and reduces hand fatigue, making it ideal for extended use.
