MAINTENANCE

Main Burner Flame Pattern

The Weber Gas Barbecue burners have been factory set for the correct air and gas mixture. The correct flame pattern is shown in Figure 7.

Burner inside

Tips occasionally yellowish

cooking box

 

Light blue

Dark blue

Flames

Figure 7

If the flames do not appear to be uniform the length of the burner tube, follow the burner cleaning procedures.

Main Burner Cleaning Procedure

Turn off the gas supply. Remove the manifold.

Look inside each burner with a flashlight. Figure 8.

Figure 8

Clean the inside of the burners with a wire (a straightened out coat hanger will work). Figure 9. Check and clean the air shutter opening at the ends of the burners. Check and clean the valve orifices at the base of the valves. Use a brass bristle brush to clean outside of burners. This is to make sure all the burner ports are fully open.

Figure 9

mCAUTION: Do not enlarge the burner ports when cleaning.

Replacing Main Burners

1.Your Weber Gas Barbecue must be OFF and cool.

2.Turn OFF gas at source.

3.Disconnect regulator.

4.To remove control panel refer to “Remove the control panel and the front panel” in the Step-By-Step Guide.

5.Remove cooking grates.

6.Remove Flavorizer bars.

7.Remove the manifold by unsnapping the clips at the right and left front of the cooking box. Figure 10.

Figure 10

8.Disconnect white and black wire from each igniter. Figure 11.

White wire

Black wire

Figure 11

11

Page 11
Image 11
Weber 425, 450 manual Main Burner Flame Pattern, Main Burner Cleaning Procedure, Replacing Main Burners

425, 450 specifications

The Weber 450 and 425 are part of Weber's esteemed line of gas grills, renowned for their innovative features, performance, and solid construction. These grills have become favorites among barbecue enthusiasts and professional chefs alike, offering a perfect blend of convenience and high-quality grilling results.

One of the main features of the Weber 450 and 425 is their spacious cooking area. The grills provide ample room to prepare meals for family gatherings or outdoor parties, accommodating everything from steaks to vegetables. With the capability to cook multiple items simultaneously, these grills make it easy to prepare full meals outdoors.

Both models are equipped with high-performance burners, designed to deliver consistent heat across the entire cooking surface. This ensures that food is cooked evenly, allowing for perfect searing and browning. The burners are made from durable stainless steel, which not only withstands the elements but also contributes to the longevity of the grill.

The Weber 450 and 425 incorporate advanced technologies such as the Infinity Ignition system, which ensures a reliable start every time. With just the push of a button, users can ignite the grill, reducing frustrations and enhancing the overall grilling experience. Additionally, the heat distribution system ensures that the grill maintains an even temperature, which is essential for achieving culinary perfection.

Another noteworthy feature is the side burner, available on some configurations. This additional cooking space allows for the preparation of sauces or side dishes while the main grilling surface is in use, offering added convenience for outdoor cooking.

Both models also prioritize ease of cleaning. The grease management system helps to funnel excess grease away from the burners, reducing flare-ups and making post-cooking clean-up a breeze. The removable grease tray collects drippings and can be easily emptied, ensuring a hassle-free experience.

Finally, the Weber 450 and 425 are designed with durability in mind. With sturdy wheels for mobility and a robust frame, these grills can withstand the rigors of outdoor use. The high-quality materials used in construction ensure that these models are not only efficient but also resistant to the elements, making them a long-lasting addition to any outdoor cooking setup.

With their combination of functionality, advanced technology, and user-friendly features, the Weber 450 and 425 gas grills are excellent choices for anyone looking to enhance their outdoor cooking experiences. Whether you're a seasoned griller or a newcomer, these models offer everything needed to create delicious meals with ease.