The GRACO 278499 is a coupled high-pressure hose designed for use with GRACO airless spray equipment. It is constructed for durability and is intended to safely convey paint or other coatings under high pressure from the sprayer to the application gun. Material is not specified in available sources, but GRACO hoses are typically made from reinforced synthetic rubber or similar robust materials for high-pressure applications.

Key Features:

• High-pressure airless spray hose
• 1/2 inch diameter x 50 feet length
• Up to 227 bar (for similar GRACO BLUEMAX II hose, part number 278499, 15m length, 1/2" thread)
• Compatible with GRACO Mark VII, Mark X, DutyMax EH & GH 300 DI sprayers
• Designed for high-pressure applications
• Reliable performance in demanding environments
• Ease of maintenance and replacement

Applications:
Used for transferring paint or coatings under high pressure in industrial, commercial, and agricultural spray applications. Suitable for use with GRACO airless sprayers such as the Mark VII, Mark X, and DutyMax series.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, safety, and optimal performance of the spray system.
• Ensure all connections are secure before pressurizing the system
• Inspect hose for damage or wear before installation
• Follow manufacturer guidelines for hose routing to avoid kinks or abrasion
• Use appropriate fittings and couplings as specified by GRACO
• Regularly inspect hoses for signs of wear, leaks, or damage
• Replace hoses at recommended intervals or if damage is detected
• Store hoses properly when not in use to prevent degradation