Yellow Jacket 49133 3-1/8 Heat Pump Red Manifold Gauge R-22/407C/410A

Yellow Jacket 3-1/8 Gauge With 1% accuracy (Class 1) calibration. Housed in a red dial with front recalibrator screw. High visibility colored temperature scales are easy to read through the full view polycarbonate crystal. 0-800psi R22 R407C R410A Features: 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 These gauges have F on dial