Yellow Jacket 49151 3-1/8" Red Pressure Gauge 0-500 psi for R-134a, R-404A, R-407C

With 1% accuracy (Class 1) calibration. Large 3-1/8″ gauges are housed in a red or blue steel case with front recalibrator screw. High visibility colored temperature scales are easy to read through the full view polycarbonate crystal.

Key Features and Benefits

• Flutterless technology with brass surge protector to minimize needle pulsation
• Brass gauge movement
• Copper alloy Bourdon tube
• 1/8" NPT Male connection
• Calibrated to 1% accuracy
• Color-coded red for pressure and blue for compound
• Color-coded refrigerant types

Specs