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Re: How small of a leak will dye show?
Posted to HVAC Forum on 6/10/2019

I also did part time residential A/C many years ago. The service valves required hoses like we used to use on R-12, where you had to tighten them up all the way to depress the valve AND seat the o-ring on the hose. There was very little leeway as to how tight ... Login to read more.