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spearko520

spearko520

Joined on March 5, 2013

Last Post on November 7, 2013

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know this is late

@ November 7, 2013 1:21 PM in copper press fitting question

know this is late, but i stumbled across this thread looking for something else today.  We have been using these for about seven years on ref systems with great success.  410a too.
http://www.lokringusa.com/refrig.htm
http://www.vulkan.com/en/vulkan_lokring.htm?page=2565%3Fpage%3D2696

daikin was pushing it when they were expanding their VRV line, and i've even seen it spec'ed since then on some no weld jobs.