R12 R22 Single Manifold Gauge Set #100

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Instructions for Gauge Set #100 (93 KB, PDF)

• Includes 2 each 3' charging hoses with 1/4" flare ends
• Single manifold
• Gauge face is 2-3/4" 
• Works with Enviro-Safe cylinders and connects to R12 or R22 systems.

To use:

1. Connect hose below gauge to system being charged.
2. Connect other hose to refrigerant tank.
3. Open valve to put refrigerant into system.
4. Close valve to read pressure in A/C system.
5. Note:  when valve is open, pressure on gauge will rise rapidly.  Putting refrigerant in slowly allows you to monitor the pressure much easier.