Auto Start Stop Torch, 6100 BTU
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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.


Fast, Reliable Delivery for Every Order
At Primes Distribution, we understand that timely delivery is just as important as product quality. That’s why we partner with trusted carriers to make sure your plumbing, HVAC, and heating supplies arrive safely and on time.
Shipping Methods
We offer multiple shipping options to fit your needs:
Standard Shipping: 3–7 business days across the continental U.S.
Expedited Shipping: 1–3 business days for urgent orders.
Local Pickup: Available at our warehouse by appointment.
Order Processing
All in-stock orders are processed within 1–2 business days. You’ll receive a confirmation email once your order is placed and a tracking number as soon as it ships.
Orders placed after 3 PM or on weekends will be processed the next business day.
Shipping Costs
Shipping costs are calculated at checkout based on weight, dimensions, and delivery location. Large or heavy items (like water heaters or HVAC units) may require special freight handling.
Delivery Areas
We currently deliver throughout the United States. For bulk or international shipments, please contact our support team for a custom quote.
Damaged or Missing Items
If your shipment arrives damaged or incomplete, report it within 48 hours of delivery. Our support team will quickly arrange a replacement or refund.
Need Help?
If you have questions about your order or need help tracking a shipment, reach out to our customer support team at:
📧 sales@primesdistribution.com
📞 786-937-7081