Acetylene Weld Handle with Adjustable Valve

Harris HQA-4 Quick Connect Torch Handle – Designed for Professional Air-Fuel Brazing Applications

The Harris HQA-4 is a heavy-duty quick connect torch handle built for air-fuel brazing operations. Engineered for HVAC/R and plumbing professionals, this handle features an ergonomic grip and durable body construction, offering secure and repeatable connections to Harris Inferno® tips and standard A-hose fuel gas lines.

Product Features

• Quick Connect Interface – A-style connections allow fast tip changes and fuel line setup without tools.
• Fuel Compatibility – Supports air-acetylene and air-propane/air-MAPP fuel systems for flexible use across job sites.
• Precision Machined Threads – 3/8"-24 hose fitting ensures leak-resistant coupling with standard air-fuel hoses.
• Rugged Grip Housing – Molded thermoplastic construction designed for impact resistance and operator comfort.
• Compatible with Inferno® Tips – Fully compatible with Harris’ brazing tips for consistent heat output and flame pattern control.

Technical Specifications

• Model: HQA-4
• Fuel Type: Air-acetylene, air-propane
• Connection Type: A-style quick connect
• Thread Size: 3/8"-24
• Handle Grip: Thermoplastic with non-slip profile

Usage and Compatibility

The HQA-4 is ideal for HVAC service technicians performing soft soldering, silver brazing, and pipework fabrication. Its quick connect function streamlines hose and tip transitions, reducing downtime during multi-stage service procedures. Pair only with approved Harris tips and regulators for best performance and safety compliance.

Professional Application Notes

• Installation: Connects to standard A-hose fittings; ensure clean, undamaged threads before assembly.
• Tip Seating: Compatible only with quick connect-style Inferno® tips; not suitable for threaded tip models.
• Safety: Always verify fuel type and tip compatibility before use. Handle connections should be performed with system pressure off.

Recommended For

• HVAC and refrigeration service professionals
• Plumbing contractors performing pipe brazing
• Technicians requiring rapid fuel tip changes