Auto Start Stop Torch, 6100 BTU

Harris 1400355 – Air-Fuel Hand Torch, Model HSLT604

The Harris HSLT604 Air-Fuel Hand Torch is a medium-duty torch engineered for soldering and brazing in HVAC, plumbing, and refrigeration applications. Designed with a high-output swirl combustion tip, it delivers consistent flame characteristics optimized for use with MAP-Pro™ or propane fuel gases.

This torch features a stainless steel burn tube and a machined 360 brass body, offering durability in field conditions. The integrated piezo ignition system allows for reliable, instant startup, while the ergonomic handle provides user control during extended use. A locking ignition button supports continuous flame operation without requiring the user to hold the trigger.

Key Features

• Swirl Tip Design – Delivers a concentrated, high-temperature flame ideal for brazing and soldering copper tubing
• Fuel Compatibility – Designed for use with MAP-Pro™ and propane cylinders
• Piezo Ignition – Built-in push-button igniter for reliable startup without external flame sources
• Lock-On Trigger – Enables continuous flame without constant trigger engagement
• Industrial Build Quality – Constructed with 304 stainless steel and 360 brass components for long service life

Technical Specifications

• Model Number: HSLT604
• BTU Output: 6,100 BTU/hr
• Fuel Types: MAP-Pro™ and Propane
• Usage Classification: Medium-duty
• Ignition: Integrated piezoelectric

Application Use

Designed for field brazing and soft soldering tasks involving copper, brass, and aluminum tubing. Appropriate for HVAC line sets, valve connections, and general plumbing joints. The torch should always be used with properly rated cylinders and in accordance with manufacturer safety guidelines.

Operational Guidance

Attach the torch to a compatible fuel cylinder and inspect all connections for leaks. Depress the piezo ignition to ignite the flame. Adjust flame size using the control knob. Use appropriate PPE, including eye protection, heat-resistant gloves, and fire-retardant clothing when performing any hot work.