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International Automotive Technicians Network
Re: Refrigerant oil dye or sniffer
Posted to HVAC Forum on 7/16/2023

I've become pretty fond of charging the system with nitrogen and spraying with soapy water myself at least on the bigger leaks, it's fast and it saves on blowing refrigerant off into the wind. It also photographs nicely on a DVI if that matters to you.

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