Introduction
This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your Flame King FK4500CGA High Intensity Propane Torch Head. Please read all instructions carefully before use.
Safety Information
⚠ WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.
- Always operate in a well-ventilated area.
- Keep out of reach of children and untrained users.
- Do not modify the torch construction or use with damaged components.
- Always wear safety glasses, protective gloves, and appropriate work clothing.
- Ensure proper connection to fuel cylinder to prevent leaks.
- Disconnect cylinder when not in use.
- Do not drop, throw, or otherwise abuse the torch.
- Avoid direct contact with the flame and hot surfaces.
- Store in a cool, dry place away from direct sunlight and heat sources.
Product Overview
The Flame King FK4500CGA is a high-intensity propane torch head designed for various applications, featuring an ultra-swirl flame for efficient heat transfer. It is pressure-regulated for consistent performance, even when tilted or inverted.

Figure 1: Flame King FK4500CGA Torch Head and its key features.

Figure 2: Product applications and additional safety warnings.
Setup
- Ensure the torch head's gas control knob is fully closed (turned clockwise).
- Align the torch head's CGA600 connection with the valve on a 1/4LB or 1LB propane cylinder (sold separately). The torch is compatible with standard 1lb Propane cylinders, MAPP, and MAP-PRO gases.
- Screw the torch head onto the cylinder by hand, turning clockwise until finger-tight. Do not overtighten.
- Check for gas leaks by applying a soapy water solution to the connection point. If bubbles appear, tighten the connection or replace the cylinder if necessary.

Figure 3: Torch head compatibility with various propane cylinder sizes.

Figure 4: Detail of the CGA600 connection for secure attachment.
Operating Instructions
Ignition
- Ensure the torch is securely attached to the propane cylinder.
- Turn the gas control knob counter-clockwise to open the gas flow slightly.
- Press the instant on/off ignition button (trigger) to ignite the flame.
- Adjust the flame intensity by rotating the gas control knob.
Continuous Flame Lock
- For extended use, engage the continuous flame lock button after ignition to keep the torch lit without continuously holding the trigger.
- To disengage, simply press the ignition button again.
Shutting Down
- Turn the gas control knob fully clockwise until the flame extinguishes.
- Ensure the torch is cool before detaching from the cylinder.
- Store the torch and cylinder in a safe, well-ventilated area.

Figure 5: Gas control knob and ignition button.
Video 1: Demonstration of the Flame King FK4500CGA High Intensity Propane Torch Head, showcasing its ultra-swirl flame for various applications like soldering and brazing.
Applications
The Flame King FK4500CGA torch head is versatile and suitable for a wide range of tasks:
- Metalworking: Brazing copper and steel.
- Soldering: Large diameter soldering.
- Woodworking: Burning and finishing wood.
- Cooking: Searing meat, caramelizing sugar, roasting vegetables.
- Ignition: Lighting charcoal grills and fire pits.
- Thawing: Safely thawing frozen pipes and locks.
- General DIY: Various heat applications around the home or workshop.

Figure 6: Diverse applications of the torch head.
Maintenance
- Regularly inspect the torch head for any signs of damage or wear.
- Keep the torch head clean and free from debris.
- Ensure all connections are tight before each use.
- Store the torch in a clean, dry environment when not in use.
Troubleshooting
- No Flame: Ensure the gas control knob is open and the cylinder is not empty. Check for proper connection to the cylinder.
- Weak Flame: Verify the gas control knob is fully open and the cylinder has sufficient fuel.
- Inconsistent Flame: The torch is pressure-regulated, but extreme cold or low fuel levels can affect performance. Ensure the torch is not used in excessively cold conditions or with nearly empty cylinders.
Specifications
| Feature | Detail |
|---|---|
| Model Number | FK4500CGA |
| Brand | Flame King |
| Power Source | Propane, MAPP, MAP-PRO |
| Connection Type | CGA600 |
| Flame Type | High-Intensity Ultra Swirl Flame |
| Ignition | Instant On/Off |
| Features | Pressure Regulated, Continuous Flame Lock, Ergonomic Grip |
| Material | Aluminum, Brass, Stainless Steel |
| Product Dimensions | 3"L x 1.5"W x 10"H |
| Item Weight | 1.16 pounds |
| UPC | 850034692449 |
Warranty and Support
The Flame King FK4500CGA High Intensity Propane Torch Head comes with a 1 Year Manufacturer's Defect Warranty. For warranty claims, technical support, or any product-related inquiries, please contact Flame King customer service.
Visit the official Flame King website for more information and contact details: www.flameking.com