Hvac Shop Blog

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.

Keep your Brisbane commercial maintenance running on time with the right hose couplings. This guide covers quick connect, brass, plastic, and stainless options; common sizes (1/4", 5/16", 3/8"); SAE flare threads; and refrigerant compatibility for R22, R32, R410A, and R134a. Learn how to avoid vac creep, prevent mid-evac pop-offs, and choose couplers for rooftop/coastal work. Includes ARCtick/licensing reminders for Australian compliance and field-tested picks from Imperial, Mastercool, and C&D. Shop the full range at HVACSHOP.

Keep your HVAC recovery equipment running strong with the right hose couplings. This guide covers quick connect, brass, stainless, and high-pressure fittings for vacuum pumps and recovery machines. Learn which sizes (1/4”, 5/16”, 3/8”), threads, and refrigerant ratings match your gear, plus Aussie-specific tips to avoid leaks in Brisbane, Sydney, and Perth. Discover why brass couplers outlast plastic, how stainless resists coastal corrosion, and why ARCtick licensing is essential for handling refrigerants. Shop trusted brands like Imperial and Mastercool at HVACSHOP.