1. Introduction
Thank you for choosing the RONXS Butane Torch Lighter, Model RX77. This versatile tool is designed for various applications, including culinary tasks like caramelizing desserts, searing meats, and lighting grills, as well as for crafts and soldering. This manual provides essential information for safe and effective use, setup, operation, and maintenance of your torch lighter.
2. Important Safety Information
WARNING: Failure to follow these instructions may result in fire, injury, or property damage.
- Always switch the continuous flame lock to the "OFF" position after each use.
- Never store or carry the torch lighter in pockets or bags. Accidental ignition in confined spaces (e.g., pockets, purses, backpacks) may cause fire or burns.
- Keep out of reach of children. This is not a toy.
- Use only high-quality butane gas for refilling.
- Do not expose to direct sunlight or temperatures exceeding 120°F (49°C).
- Do not puncture or incinerate the torch lighter.
- Ensure adequate ventilation when using the torch.
- Keep face and clothing away from the flame outlet when igniting or operating.
- Do not touch the metal nozzle during or immediately after use, as it will be extremely hot.
3. Product Overview
The RONXS Butane Torch Lighter RX77 features a robust design with adjustable flame settings and a safety lock for continuous operation. Its ergonomic handle ensures comfortable and safe use.

Figure 1: RONXS Butane Torch Lighter RX77 and its retail packaging.
Key Components:
- Flame Nozzle: Emits the butane flame.
- Flame Adjustment Knob: Controls the flame intensity (plus for stronger, minus for weaker).
- Single/Dual Flame Switch: Allows selection between one or two flame jets.
- Ignition Trigger: Activates the flame.
- Continuous Flame Lock: Locks the trigger for continuous flame operation.
- Butane Refill Valve: Located at the base for refilling butane.
4. Setup: Butane Refilling
The RONXS Butane Torch Lighter is shipped without butane gas due to shipping regulations. Please acquire a can of high-quality butane gas with a long nozzle for refilling.
- Ensure the torch lighter is in the "OFF" position and the flame adjustment is set to minimum.
- Invert the torch lighter, holding it upside down.
- Insert the nozzle of the butane gas can vertically into the refill valve located at the base of the torch.
- Press down firmly for 5-10 seconds. You may hear a hissing sound, which is normal.
- Repeat the process 2-3 times until the torch is full. Avoid overfilling.
- Allow a few minutes for the gas to stabilize before attempting to ignite the torch.

Figure 2: Locate the butane refill valve at the base of the torch.

Figure 3: Press the butane can nozzle into the refill valve to fill.
5. Operating Instructions
5.1. Ignition
- Ensure the torch is filled with butane.
- Adjust the flame intensity knob (located on top) to your desired setting (start with a medium setting).
- Press the ignition trigger (at the back of the handle) to ignite the flame.
5.2. Flame Adjustment (Single/Dual)
The RONXS RX77 features a unique single/dual flame switch to adapt to different tasks.

Figure 4: The torch lighter offers both single and dual flame options for varied applications.
- Single Flame: For precise temperature control, such as caramelizing sugar on sushi or delicate crafts. Use the switch near the nozzle to select single flame mode.
- Dual Flame: For powerful and quick heating, ideal for searing steak, lighting charcoal, or larger tasks. Use the switch near the nozzle to select dual flame mode.

Figure 5: Single flame mode provides precise temperature control for delicate tasks like caramelizing sushi.

Figure 6: Dual flame mode offers powerful and quick heating for tasks such as searing steak.
5.3. Continuous Flame Mode
For tasks requiring a sustained flame without holding the trigger:
- Press the ignition trigger to light the flame.
- While holding the trigger, slide the continuous flame lock switch (located on the side of the torch) to the "LOCK" position.
- Release the trigger; the flame will remain active.
- To turn off the continuous flame, slide the lock switch back to the "OFF" position.

Figure 7: The continuous flame lock switch allows for hands-free operation.
5.4. Example Applications

Figure 8: Achieve a perfect caramelized crust on creme brulee with precise flame control.

Figure 9: The RONXS torch is suitable for kitchen tasks, outdoor grilling, and various craft applications.
Video 1: A demonstration of the RONXS Butane Torch Lighter, showcasing its adjustable double flame feature and ease of use for various applications.
6. Maintenance
6.1. Cleaning
To clean your torch lighter, wipe the exterior with a soft, damp cloth. Do not use abrasive cleaners or immerse the torch in water.
6.2. Storage
When not in use, always ensure the continuous flame lock is in the "OFF" position and the flame adjustment knob is set to the minimum (-) position. Store the torch lighter in a cool, dry place, away from direct sunlight and out of reach of children.
7. Troubleshooting
- Torch does not ignite:
- Check butane level and refill if necessary.
- Ensure the flame adjustment knob is not set to the minimum (-) position, which can prevent ignition.
- Verify the continuous flame lock is in the "OFF" position.
- Inconsistent or weak flame:
- Refill with butane.
- Adjust the flame intensity knob towards the maximum (+) position.
- Ensure the butane gas used is of high quality.
- Gas leakage during refilling:
- Ensure the butane can nozzle is inserted straight and firmly into the refill valve.
- Some minor leakage is normal, but excessive leakage may indicate an improper connection or a faulty butane can.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | RONXS |
| Model Number | RX77 |
| Dimensions | 3.34"L x 3.34"W x 5.1"H |
| Item Weight | 6.6 ounces |
| Material | Metal (Ceramic+Zinc Alloy+ABS) |
| Maximum Temperature | 1300 Degrees Celsius |
9. Warranty and Support
For any inquiries, technical support, or warranty claims, please contact RONXS customer service. We offer 24/7 after-sales service to ensure your satisfaction.
Please refer to the product packaging or the official RONXS website for the most up-to-date contact information.