Weber 40277202
Weber Igniter Button User Manual
Brand: Weber | Model: 40277202
Product Overview
The Weber #40277202 Igniter Button is a crucial component designed to provide the spark necessary for lighting your grill burners. This assembly includes the push button, igniter cap, and a washer, along with one AA battery for immediate use. It functions by creating an electrical spark when pressed, initiating the ignition process for your grill.

Figure 1: Components of the Weber Igniter Button assembly, including the main button unit, a separate washer, and an AA battery.
Setup and Installation
This igniter button is a three-part assembly. Installation typically involves replacing the existing igniter button on your Weber grill. For detailed, model-specific installation instructions, it is highly recommended to consult the official Weber website or your grill's original user manual.
General Installation Steps:
- Safety First: Ensure your grill is completely off, cooled down, and disconnected from its fuel source (propane tank or natural gas line) before beginning any installation or maintenance.
- Access the Igniter: Locate the existing igniter button on your grill's control panel. This may require removing a portion of the control panel or accessing from underneath.
- Remove Old Igniter: Carefully unscrew or unclip the old igniter button. Note the orientation of any wires or components.
- Install New Components:
- Insert the new AA battery into the designated compartment within the igniter button assembly. Ensure correct polarity.
- Place the washer as instructed by your grill's specific manual.
- Position the new igniter button assembly into the opening.
- Secure the Igniter: Screw or clip the new igniter button into place, ensuring it is firmly seated and connections are secure.
- Test Functionality: Reconnect the fuel source and test the igniter button by pressing it. You should hear a clicking sound and observe a spark at the burner electrodes.
Important: If your grill model is a Weber Genesis 330, this part is known to be an exact replacement. Ensure you retain the original spring if the new part does not include one, as noted by some users.
Operating Instructions
The igniter button is designed for simple operation to light your grill burners.
- Open Grill Lid: Always open the grill lid before attempting to light the burners.
- Turn on Gas: Ensure the gas supply to your grill is open (e.g., propane tank valve is open).
- Turn on Burner Knob: Turn one of the main burner control knobs to the "START/HIGH" position.
- Press Igniter Button: Press and hold the igniter button firmly. You should hear a rapid clicking sound, indicating that a spark is being generated.
- Verify Ignition: Observe the burner to ensure it has ignited. If it does not light within a few seconds, release the button, turn off the burner knob, wait a few minutes for gas to dissipate, and then repeat the process.
If the burner still does not light after several attempts, refer to the Troubleshooting section.
Maintenance
Proper maintenance ensures the longevity and reliable operation of your igniter button.
- Battery Replacement: The igniter button uses one AA battery. If the igniter produces a weak spark or no spark, the battery may need replacement. Replace with a fresh AA battery, ensuring correct polarity.
- Inspect Connections: Periodically check the electrical connections to the igniter button to ensure they are clean, secure, and free from corrosion.
- Clean Button Area: Keep the area around the igniter button clean and free of grease or debris that could impede its function. Use a damp cloth for cleaning.
- Check Conductor: If experiencing inconsistent sparking, inspect the metal conductor inside the button assembly for any flattening or wear that might prevent proper contact.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Igniter button does not click or spark. | Dead or improperly installed battery. Loose electrical connection. Faulty igniter button. | Replace the AA battery, ensuring correct polarity. Check and secure all electrical connections. If issues persist, the igniter button may need replacement. |
| Weak or inconsistent spark. | Low battery. Worn internal conductor. | Replace the AA battery. Inspect the metal conductor inside the button for wear; if flattened, replacement may be necessary. |
| Burner does not light even with spark. | No gas flow. Clogged burner ports. Faulty igniter electrode or wire. | Ensure gas supply is open and tank is not empty. Clean burner ports. Inspect igniter electrode and wire for damage or corrosion. This issue may indicate a problem beyond the igniter button itself. |
| New igniter button does not fit. | Incorrect model number. | Verify that the igniter button model number (40277202) matches the requirements for your specific grill model. Consult your grill's manual or the Weber website for compatibility. |
Product Specifications
- Model Number: 40277202
- Components: Push button, igniter cap, washer
- Battery Requirement: 1 x AA battery (included)
- Item Weight: 1.6 ounces
- Package Dimensions: 2.1 x 2 x 1 inches
- ASIN: B00NI6HPOM
Warranty Information
Specific warranty details for the Weber #40277202 Igniter Button are typically provided with the product packaging or can be found on the official Weber website. Please retain your proof of purchase for any warranty claims. Warranty coverage generally applies to defects in materials and workmanship under normal use.
Customer Support
For further assistance, detailed installation guides, or to inquire about other replacement parts, please visit the official Weber website or contact their customer service department.
Official Weber Website: www.weber.com
You can also visit the Weber Store on Amazon for more products and information: Weber Store
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