Introduction
Welcome to the Broil King Regal S 420 Pro Natural Gas Grill. This manual provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your new grill. Please read all instructions carefully before use to ensure optimal performance and longevity of your appliance.

Image: Front view of the Broil King Regal S 420 Pro Natural Gas Grill.
Important Safety Information
Always follow basic safety precautions when using this appliance to reduce the risk of fire, explosion, or injury. Keep this manual for future reference.
- Ensure proper ventilation when operating the grill.
- Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
- Keep children and pets away from the grill during operation.
- Always check for gas leaks before each use.
- Never leave the grill unattended when in use.
Key Features
The Broil King Regal S 420 Pro is engineered with advanced features for superior grilling performance:
- 4 Stainless Steel Dual-Tube Burners: Delivers up to 50,000 BTUs of power with even heat distribution.
- 500 sq. in. Primary Cooking Area: Large cooking surface for multiple dishes.
- 195 sq. in. Stainless Steel Warming Rack: Ideal for keeping food warm.
- Stainless Steel V-Grids: Reversible design for perfect sear marks or continuous basting.
- Stainless Steel Flav-R-Wave Cooking System: Vaporizes drippings for enhanced barbecue flavor and reduced flare-ups.
- Rust-Resistant Cast Aluminum Cookbox: Provides exceptional durability and heat retention.
- Blue LED-Lit Control Knobs: Enhances visibility and style for nighttime grilling.
- Stainless Steel Side Shelves: Features integrated tool hooks for convenience.
- Natural Gas (NG) Compatibility: Includes a 10ft natural gas hose.

Image: Close-up view of the four stainless steel Dual-Tube burners inside the grill.

Image: Diagram illustrating the patented Dual-Tube burner design for even heat distribution.

Image: Diagram showing the Stainless Steel Flav-R-Wave cooking system vaporizing drippings.

Image: A perfectly seared steak on the stainless steel V-Grids, showcasing the grill's cooking capability.

Image: A close-up of a control knob illuminated with a blue LED, indicating its on/off status.

Image: The stainless steel side shelf featuring integrated hooks for hanging grilling tools.
Setup and Assembly
Assembly of the Broil King Regal S 420 Pro is required. Please follow the detailed instructions provided in the separate assembly guide included with your grill. Ensure all components are present and undamaged before beginning assembly.
Key Assembly Points:
- Carefully unpack all parts and verify against the parts list.
- Assemble the main cart structure, ensuring all fasteners are securely tightened.
- Attach the side shelves and control panel.
- Install the cookbox, burners, Flav-R-Wave system, and cooking grids.
- Connect the natural gas hose according to local codes and the provided instructions.
- Perform a leak test on all gas connections before first use.

Image: A close-up of a caster wheel with its locking mechanism, ensuring grill stability.
Operating Instructions
Pre-Heating the Grill:
- Open the grill lid.
- Ensure all burner control knobs are in the "OFF" position.
- Turn on the gas supply at the source.
- Push in and turn one burner control knob to the "HIGH" position.
- Press the electronic igniter button (if applicable) until the burner lights.
- Once the first burner is lit, turn on adjacent burners to "HIGH".
- Close the lid and allow the grill to pre-heat for 10-15 minutes.

Image: A finger pressing the electronic ignition button on the grill's control panel.
Temperature Control:
The Dual-Tube burners and precise control knobs allow for excellent temperature management. Adjust individual burner settings from "LOW" to "HIGH" to achieve desired cooking zones.
Cooking Tips:
- For searing, pre-heat the grill to high heat. Use the pointed side of the V-Grids for distinct sear marks.
- For delicate items or continuous basting, use the V-channel side of the grids.
- Utilize the warming rack for keeping cooked food warm or for indirect cooking of vegetables.

Image: Sausages and pineapple slices cooking on the upper warming rack of the grill.

Image: A steak and vegetables grilling on the main cooking grates, showing the grill's capacity.
Care and Maintenance
Regular cleaning and maintenance will extend the life of your Broil King grill and ensure safe operation.
- Cooking Grids: Clean after each use with a grill brush while the grates are still warm.
- Flav-R-Wave System: Periodically remove and clean the Flav-R-Wave plates to prevent grease buildup.
- Burners: Inspect burners annually for blockages (e.g., spider webs) and clean as necessary.
- Exterior: Wipe down stainless steel surfaces with a mild detergent and soft cloth. Avoid abrasive cleaners.
- Grease Tray: Regularly empty and clean the grease tray to prevent flare-ups.
- Storage: Cover the grill with a suitable grill cover when not in use to protect it from the elements.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Burner fails to light | No gas flow, clogged burner ports, faulty igniter. | Check gas supply, clean burner ports, inspect igniter electrode and wire. |
| Uneven heat | Clogged burner ports, damaged Flav-R-Wave plates. | Clean burner ports, inspect and replace damaged Flav-R-Wave plates. |
| Excessive flare-ups | Grease buildup, high heat setting. | Clean Flav-R-Wave system and grease tray, reduce heat. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | Regal S 420 Pro |
| Part Number | 956317 |
| Brand | Broil King |
| Fuel Type | Natural Gas |
| Main Burner Count | 4 |
| Heating Power | 50,000 BTUs (Total) |
| Primary Cooking Area | 500 sq. inches |
| Warming Rack Area | 195 sq. inches |
| Total Cooking Surface Area | 695 sq. inches |
| Product Dimensions (D x W x H) | 25"D x 56.5"W x 49"H |
| Item Weight | 173 Pounds |
| Material | Aluminum, Stainless Steel |
| Assembly Required | Yes |
| Included Components | Tool Holder, User Manual, 10ft Natural Gas Hose |
Warranty and Support
Your Broil King Regal S 420 Pro grill comes with a comprehensive warranty:
- Limited Lifetime Warranty: On the cook box.
- 15-Year Warranty: On remaining parts and paint.
For warranty claims, technical support, or replacement parts, please contact Broil King customer service. Refer to the official Broil King website or the contact information provided in your original packaging for details.
You can also visit the official Broil King store on Amazon for additional products and accessories: Broil King Store
Product Overview Video
Video: An overview of the Broil King grill's key features and cooking system, highlighting its flavor-enhancing capabilities.





