Mastercool MBL Low Side Replacement Gauge – R134a, R404A, R407C, R507A, R22 – BAR/°C

Professional Replacement Gauge for HVAC & Refrigeration

The Mastercool MBL is a low-side replacement gauge built for HVAC technicians, refrigeration specialists, and automotive A/C professionals who demand accuracy and reliability. Whether you're replacing a worn gauge or upgrading your manifold set, the MBL delivers the perfect balance of performance and professional aesthetics.

Anti-Flutter Technology

Mastercool's Anti-Flutter Technology reduces needle fluctuation and improves reading stability in dynamic pressure environments — giving you clearer, more accurate readings and greater confidence during diagnostics.

Key Features

• Anti-Flutter Technology — reduces needle fluctuation for stable, accurate pressure readings
• Black metal gauge housing — durable, modern appearance with excellent field visibility
• Blue low-side face — traditional colour coding for quick, intuitive system identification
• Dual scale display — BAR / °C
• 1.6 Gauge Class accuracy
• Compatible with R134a, R404A, R407C, R507A, and R22 refrigerant scales

Applications

• HVAC service and maintenance
• Refrigeration diagnostics
• Automotive A/C repair
• Commercial and residential cooling systems
• Manifold gauge set upgrades and replacements

Specifications

• Model: MBL
• Side: Low Side
• Refrigerant scales: R134a, R404A, R407C, R507A, R22
• Display units: BAR / °C
• Gauge class: 1.6
• Housing: Black metal