Weber Accent Light Switch replacement for Summit 470/670 (70189) — OEM momentary push-button, snap-in fit

The Weber Accent Light Switch 70189 is a genuine replacement momentary push-button switch for the illuminated control knobs on Summit 470 and 670 grills (2007 and newer).

If the lighted knob on your Weber Summit grill no longer illuminates or the push action feels worn, this OEM Accent Light Switch restores the original function and appearance. It's designed to snap into the control panel, connect via two male flat spade terminals, and provide a soft rubber top for a consistent tactile feel. Because it's a Weber genuine part, fit and operation match the factory specifications so installation is straightforward and reliable.

Will this switch fit my Summit grill?

This part is built specifically for Weber Summit 470 and 670 models from model year 2007 onward. It replaces the momentary switch used beneath the illuminated control knob, so compatibility depends on your grill having that style of lighted knob assembly.

• Fits Weber Summit 470 and 670 models (2007 and newer)
• Replaces momentary light switch for illuminated control knobs
• OEM part number: 70189 — genuine Weber component

How do I install the Accent Light Switch?

Installation is a simple swap: unplug power, remove the control knob, release the old switch from its snap-in tabs, then press the new unit into place and reconnect the two spade terminals. No special tools are typically required, though needle-nose pliers can help seat the spade connectors securely.

• Power off and remove control knob before starting
• Snap the switch into the panel using its mounting tabs
• Attach the two male flat spade terminals to the corresponding wires
• Test illumination before reassembling the knob

What are the switch’s key features and durability traits?

The switch uses a soft rubber push-button top for consistent user feel and two male flat spade terminals for a fast, secure electrical connection. Its snap-in mounting tabs are molded for a firm hold in the control panel, and as a genuine Weber part it meets the same fit and finish standards as the original equipment.

• Soft rubber push button for comfortable operation
• Two male flat spade terminals for reliable wire connections
• Snap-in mounting tabs for easy, secure installation
• Factory-original Weber construction and dimensions

How can I tell if I need this replacement switch?

You may need this switch if the control knob’s light doesn’t activate, the button feels loose or stuck, or the illumination flickers when pressed. Visual inspection of the existing switch for cracked rubber, loose terminals, or broken mounting tabs will confirm the need for replacement.

• Lighted knob fails to light when pressed
• Button feels soft, sticky, or mechanically worn
• Loose or corroded spade terminals at the switch
• Broken snap-in tabs preventing secure mounting

Who is this for: The Weber Accent Light Switch 70189 is ideal for Summit 470 and 670 owners who want a direct, factory-correct replacement for a failing lighted control knob switch. It’s suited to do-it-yourself grill owners, service technicians, and anyone maintaining Weber Summit grills who values original-equipment fit and straightforward installation. If you’re restoring appearance, ensuring consistent illumination, or eliminating an intermittent connection under the control panel, this genuine Weber replacement provides a quick, reliable solution.