JB Industries Refrigerant Manifold Gauge Set - HVAC Service Tool #3831253 (License: Personal Use)

This JB Industries manifold gauge set features two precision analog gauges calibrated for R-502, R-12, and R-22 refrigerants, with dual-scale readings in psi and inches of mercury (vacuum). The robust brass body includes blue (low-pressure), red (high-pressure), and yellow (service) hoses with knurled brass quick-connect fittings and ergonomic blue and red control knobs. A central hook allows convenient hanging during service.

Used by HVAC/R technicians for refrigerant charging, evacuation, recovery, and system diagnostics; commonly featured on product pages, repair guides, and e-commerce listings targeting professional technicians.