Mastercool Analog Vacuum Gauge with Control Valve 1/4" Flare

The Mastercool 98067-R is a professional analogue vacuum gauge with an integrated control valve, designed for accurate measurement of system vacuum during HVAC evacuation and commissioning. The built-in isolation valve lets engineers hold a vacuum and confirm system integrity before refrigerant charging — a simple, reliable tool for every AC and refrigeration service kit.

Key Features

• 80mm analogue dial — large, clear vacuum readings on site
• Integrated control valve — isolate the system for leak testing without disconnecting hoses
• 1/4" flare female x 1/4" flare male connections — compatible with standard HVAC manifolds and vacuum systems
• Measures system vacuum during evacuation — confirms pull-down before charging
• Durable professional-grade brass and aluminium construction
• Compatible with all standard refrigerants, including A2L

Typical Applications

• Air conditioning system evacuation and commissioning
• Refrigeration system leak testing after vacuum pull
• Confirming vacuum holds before refrigerant charging
• HVAC servicing and planned maintenance

Technical Specifications

Complete Your Evacuation Setup

• Mastercool Vacuum & Evacuation — vacuum pumps and evacuation equipment
• Mastercool Manifolds & Hoses — manifold gauges and charging hoses
• Full Mastercool Range — all Mastercool tools and equipment
• HVAC Tools — full range of service and commissioning tools

Need guidance on evacuation best practice? Read our How to Evacuate an AC System Correctly guide.

In stock and ready to ship. Order before 12 noon for same-day dispatch on qualifying orders.