The Lennox Y8811 Supco VG64 Digital Vacuum Gauge is a professional-grade HVAC/R diagnostic instrument designed for fast, accurate deep-vacuum measurement during system evacuation and service. Manufactured by Supco and supplied under the Lennox catalog, this gauge delivers ultra-fine resolution and reliable performance for residential and commercial applications.

Featuring a dual-port design with high-resolution sensing, the VG64 provides fast response and precise readings down to 1 micron when vacuum levels are at or below 200 microns. A thermistor-based sensor ensures consistent accuracy, while the standard 1/4 inch male flare fitting allows easy connection to common HVAC service equipment. The built-in hanger adds convenience for hands-free operation in the field.

Maintenance is simple thanks to a dedicated cleaning port that allows quick drying and sensor cleaning using isopropyl alcohol, helping extend sensor life and maintain accuracy. Additional features include automatic shut-off to preserve battery life, a low-battery indicator, and operation on three AA batteries (not included). With a compact form factor, a gross weight of approximately 0.57 lb, and a one-year warranty, the Lennox Y8811 Supco VG64 Digital Vacuum Gauge is a dependable choice for technicians who need accurate micron measurement and dependable performance during critical evacuation procedures.