The Lennox 27Y11 Fieldpiece MG44 Wireless Vacuum Gauge is a professional HVAC micron gauge engineered for fast, accurate system evacuation and deep vacuum verification. Designed for modern refrigeration systems, including A2L refrigerants, the MG44 delivers reliable micron readings while eliminating false measurements caused by hose placement or leaks.

Built for real-world field conditions, the MG44 features a rugged over-molded housing with IP54-rated weather resistance for superior durability. Its compact cylindrical design, no-slip grip, and reversible angled coupler make it easy to install—even one-handed—in tight or hard-to-reach system ports.

This wireless vacuum gauge offers three flexible ways to use:
Stand Alone operation
Job Link® System App connectivity
SMAN® Manifold screen integration

Technicians can also monitor evacuations using three viewing modes:
Rate
Bar Graph
Rate Meter

By connecting directly at the system port, the MG44 helps ensure true system readings, improving evacuation accuracy and reducing callbacks. Whether servicing residential or commercial HVAC equipment, this wireless micron gauge is built to deliver dependable performance on every job.

Specifications
Brand: Fieldpiece
Lennox Catalog Number: 27Y11
Model Number: MG44
Type: Wireless Vacuum / Micron Gauge
A2L Compatible: Yes
Weather Rating: IP54
Gross Weight: 5.4 lb

The Lennox 27Y11 Fieldpiece MG44 Wireless Vacuum Gauge is an essential HVAC tool for technicians who demand accuracy, durability, and wireless convenience during system evacuation procedures.