Hvac Shop Blog
Brazing with MAPP Gas
A clean braze joint should be boring — no leaks, no call-backs. This guide shows Aussie HVAC techs how to braze copper with MAP-Pro/MAPP gas properly, including torch control, flux and rod basics, nitrogen purging, common mistakes, and inspection/testing for reliable refrigerant line joints.
MAPP Gas vs Propane for HVAC Brazing in Australia
MAPP (often sold as MAP-Pro) and propane can both braze copper, but they behave differently on real HVAC jobs. This guide breaks down the temperature talk, the real “time-to-temperature” difference, and when paying more for MAP-Pro saves you time and improves joint control—especially on thicker suction lines and windy rooftops.