• Wireless system vacuum measurement from atmospheric pressure to 1 micron
• Compatible with YJACK VIEW App and P51-870 TITAN devices (firmware version v3.0 or later)
• Robust sensor resists pressure shock and oil contamination
• 45° x 1/4" quick-coupler fitting for versatile system attachment
• Electronic paper display for clear visibility - even in direct sunlight

The YJACK VAC Wireless Vacuum Gauge 67066 by YELLOW JACKET provides all the features needed for effective system evacuation. It offers full range vacuum measurement from atmospheric pressure down to 1 micron and the robust sensor ensures accurate readings during every job. Use the integrated display to view system vacuum readings and configure target vacuum levels or track the evacuation remotely with the YJACK VIEW app or P51-870 TITAN Digital Manifold. Perform hold tests and log system data for service records and reporting.

To view the evacuation readings on the Electronic Paper Display, select the desired settings and begin the evacuation. To conserve power, the display will power off after 15 minutes of inactivity.

1. Power Saving Mode Icon

2. Notification Icon

3. Target Vacuum Level

4. Auto-Off Timer (in minutes)

5. Vacuum Unit

6. Vacuum Level (displays bar graph until deep vacuum reached)

TARGET - Select from five preset vacuum level targets.

UNITS - Select from four different vacuum units.

For remote evacuation monitoring, launch the YJACK app, select the desired setting and Evacuation session type. The is no Bluetooth pairing required.

Users can perform evacuation hold tests and log test data for service reports.

YJACK for more Connected Techs

The YJACK Series is a network of devices that form a new platform offering a total HVAC/R diagnostics solution. Multiple devices can measure system and environmental parameters, providing a complete picture of a system’s condition. Each device utilizes Low Energy Bluetooth (BLE) technology to interconnect with each other and any smart device, Android or iOS. Many of the YJACK Series devices can also communicate directly with the P51-870 TITAN Digital Manifold simultaneously.

The YELLOW JACKET YJACK VIEW App provides seamless integration with YJACK and P51-870 TITAN devices offering a complete HVAC/R system diagnostic solution. Just use your YJACK and P51-870 TITAN devices with your smartphone for complete system analysis.

Easily receive and analyze live data from all powered on nearby YJACK and P51-870 TITAN devices including system pressure, temperature, vacuum, psychometrics, and current draw. Includes a variety of session types useful for diagnosing any HVAC/R system.

• Measure HVAC/R system pressure, temperature, saturation temperature, superheat, and subcooling
• Monitor system evacuation status
• Check indoor air comfort and system efficiency with psychrometric air calculations: percent relative humidity, dry bulb, wet bulb, and dew point temperature measurements
• Perform system leak tests and track pressure charge over time
• Measure system charge with scale weight readings during charging and recovery operations
• Take electrical current measurements and analyze critical system power information
• Generate highly customized and detailed service reports capturing system readings and equipment information
• Monitor status of all nearby YJACK and P51-870 TITAN devices
• Freely switch between multiple simultaneous sessions without loss of data
• Customize data view for each measurement
• Create data logs to be saved or emailed from your smart device
• Choose from 126 refrigerant profiles found in the REFPROP database
• Available on iOS (version 10 or later) and Android (version 8 or later) smart devices

• Effortlessly create and manage a network of connected HVAC/R system diagnostic devices
• Compatible with all YJACK and P51-870 TITAN devices (firm-ware version v2.0 and later)
• No device connections necessary - seamlessly move in and out of range of devices without reconnecting or relaunching the application
• Freely navigate between available session types, multiple sessions at one time
• New session types including Psychrometric System Efficiency and Leak Test as well as communication capabilities with YJACK PRESS, YJACK VAC, YJACK AMP in v3.0 or later
• Easily place and monitor the status of all YJACK and P51-870 TITAN devices from one screen
• Adjustable datalog formatting and multiple sampling intervals