Yellow Jacket 49134 Heat Pump 3 1/8 Low Side Replacement Gauge, R-22/407C/410A

3-1/8″ Heat Pump Replacement Low Side Gauge, Red °F, 0-800 psi, 1/8″ NPT Male connection, R-22/407C/410A

Product Features

• 3-1/8″ Heat Pump Replacement Low Side Gauge
• °F, 0-800 psi
• R-22/407C/410A
• 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 refrigerant types