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Review on 🌑️ Yellow Jacket 49137 3-1/8" Red Pressure Gauge: R-22/404A/410A, 0-800 psi, Fahrenheit Measurements - Ultimate HVAC Tool by Anatoly Yorgason

Revainrating 5 out of 5

Don't waste freon! on Electrical

Use this gauge to check the coolant level in your air conditioner. Attach directly to the quick release valve. No waste from long hoses.

Pros
  • This is awesome
Cons
  • Legacy