Hvac Shop Blog
Melbourne Split System Vacuum Guide: Hose Couplings for Double-Hose Evacuation
Speed up Melbourne split-system service with the right hose couplings and a double-hose vacuum setup. This practical guide covers quick connect, brass, plastic and stainless couplers; common sizes (1/4", 5/16", 3/8"); SAE flare threads; and refrigerant compatibility for R22, R32, R410A and R134a. Learn how to prevent vac creep and mid-evac pop-offs, when to upgrade, and why ARCtick licensing is mandatory for refrigerant handling. Field-tested picks from Imperial, Mastercool and C&D help you work faster on rooftops, balconies and tight Melbourne sites. Shop the full range at HVACSHOP.