The GRACO Harrier EZ-JR is a compact, robust controller designed for automated chemical injection systems. It is constructed from polycarbonate and PET with a polyester membrane, offering reliable indoor use for monitoring and controlling chemical dosing. The controller is intended for use with GRACO chemical injection pumps, providing both time-based and temperature-based dosing capabilities.

Key Features:

• Controller
• Harrier EZ-JR
• Polycarbonate + PET enclosure, polyester membrane
• Designed for use with GRACO G-JR chemical pumps (AC or DC solar options)
• IP54 for indoor use; not approved for explosive atmospheres or hazardous locations
• Time-based and temperature-based dosing
• Easy system monitoring and troubleshooting
• Simple setup and control
• Temperature probe for user-defined activation
• Compact and lightweight (1 lb, 8" x 5" x 10")
• Low power consumption (1 W)
• Robust operating range (-40°F to 131°F / -40°C to 55°C)

Applications:
Automated chemical injection for industrial, agricultural, and maintenance applications where precise dosing and monitoring are required. Suitable for use with GRACO G-JR pumps in various environments, but not for outdoor or hazardous locations.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the chemical injection system.
• Install in a clean, dry, indoor environment
• Ensure proper electrical connections (9–26 VDC input)
• Follow all safety instructions in the manual
• Do not use in explosive atmospheres or hazardous locations
• Regularly check for system alerts and maintenance needs