The GRACO 24M478 is a direct-mount vent valve designed for use with G3™ Electric Lubrication Pumps. It is constructed for compatibility with oil and grease, and is intended to simplify the installation of injector-based lubrication systems by providing a reliable venting solution directly on the pump.

Key Features:

• Vent Valve
• Direct-Mount, NPT, 12 VDC, Normally Open, RH
• 500-3500 psi (35-241 bar)
• G3™ Electric Lubrication Pumps, oil and grease
• MSD201EN, Loctite 567 Low Strength Thread Sealant, Safety Data Sheet (English only)
• Direct-mount design for easy installation
• Adjustable pressure relief (included in vent valve kits)
• Reliable performance for injector-based lube systems
• Right-hand (RH) mounting

Applications:
On-road vehicles, off-road equipment, and other industrial applications requiring reliable lubrication system venting for G3™ pumps.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of your lubrication system.
• Mount directly to the G3™ pump for simplified installation
• Follow all safety and installation instructions in the G3™ pump manual
• Use recommended thread sealant (e.g., Loctite 567 Low Strength Thread Sealant)
• Ensure proper alignment and secure mounting to prevent leaks
• Regularly inspect for wear and proper function as part of maintenance routines