Daikin Refnut Full Unboxing & Information ,What is a refnut

Hello friends, today I will show you the renut of Daikin, how it works or where it should be used, I will tell you everything, thank you for watching such a video subscribe my channel.
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#hvac #vrvacinstallation #vrvacinstallation
#howtovrvac
#VRVcopperpiping #vrvrefnut #yjoint
#hvactechnicalpoint
#RefnutUnboxing
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