JAVAC - HVAC Tools on Instagram: "The Nitrogen Purge Tool from Javac Edge! 🔥 Backed by years of HVAC tool expertise - so you know it’s made to perform. 🙌 What makes it a must-have: 👉 Purges nitrogen before and during brazing to stop oxidation in its tracks. 👉 Smooth twist from PURGE to BRAZE mode = precision flow control, zero fuss. 👉 Pre-set rates mean less waste, more efficiency. 👉 Seals out air for cleaner, longer-lasting joints. 👉 Designed by pros, for pros - attaches to a standard re