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International Automotive Technicians Network
Re: How do you check for AC leakage?
Posted to HVAC Forum on 11/25/2009 14 Replies

For leak detection I recommend an infrared tester that meets SAE J2791. This unit is designed to detect leaks of 4 grams per year, 7 grams per year, or 14 grams per year along with other good qualities.

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