The female knurled nut that goes to the output of the N2 regulator had a burr that initially prevented it from fully tightening onto the 1/4" flare fitting. That thread I was able to cope with tidy up a bit of a hook crevice and get it to seal with a little pliers motion.I don't plan on removing it from the regulator and it seals so it's ok.One star deduction for constricted threads.
π₯ Whizzotech Solder Wire 60/40 Tin/Lead with Flux Rosin Core - 0.032 Inch Diameter for Electrical Soldering (4oz/100g/0.22lb)
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Hakko T18-BR02 Soldering Tip - T18 Series for Hakko FX-888/FX-8801 - Conical Shape - Bent 30 Degrees - R0.2 mm x 10.5 mm
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309LFC-O X .035 X 1LB Spool Gasless Stainless Steel Flux Core Welding Wire by Blue Demon
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