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The WG02F05778 range infinite switch (also called surface burner switch, rotary switch, or simmerstat) is the control component behind the burner knob that regulates heat to your electric range or cooktop burner element. This genuine OEM GE part works by cycling power on and off at varying intervals – when you turn the knob higher, the element stays on longer between cycles, producing more heat. When the infinite switch fails due to worn contacts, a broken bi-metal mechanism, burned terminals, or internal component failure, the burner may not heat at all, stay on constantly (won't turn off), only work at full power regardless of knob position, produce inconsistent heat, or the indicator light may not illuminate when the burner is on.
Replacing a faulty infinite switch restores precise temperature control to your burner, eliminates safety hazards from burners that won't turn off, and ensures consistent cooking performance. This OEM part is manufactured to GE's exact specifications, providing guaranteed compatibility and reliable long-term operation.
OEM (Original Equipment Manufacturer): This is a genuine GE factory part, identical to the infinite switch that came with your range when new. OEM parts offer guaranteed fit, correct voltage/amperage ratings, and reliability backed by GE. Control switches should always be replaced with OEM parts to ensure proper operation and prevent electrical hazards.
Difficulty Level: Moderate – Requires some mechanical skill and electrical knowledge
Estimated Time: 30-45 minutes
Tools Needed: Screwdriver, nut driver, needle-nose pliers, work gloves, camera or phone (for wire documentation)
Steps:
Safety Note: ALWAYS disconnect power at the circuit breaker before working on electrical components. Electric ranges use 240V power which can be lethal. If you're not comfortable working with high voltage electrical components, hire a qualified technician.
This infinite switch fits many GE, GE Profile, Hotpoint, and Kenmore electric ranges and cooktops. Verify compatibility by checking your model number or comparing your existing switch part number. Common compatible series include GE electric ranges and cooktops manufactured in recent years.
This switch replaces the following GE part numbers: WG02F05778, WB24T10148, WB24T10162, WG02F05780, WB24T10119, WS01F06677
Q: How do I know if my infinite switch is bad?
A: Common signs include a burner that won't heat, won't turn off, only works on high, or has no temperature control. If the burner element itself tests good with a multimeter (shows continuity), but the burner doesn't work properly, the infinite switch is likely the problem. You can also test the switch terminals for continuity at different knob positions.
Q: What's the difference between an infinite switch and a regular on/off switch?
A: An infinite switch provides variable heat control by cycling power on and off at different intervals, allowing you to select any heat level from low to high. A regular on/off switch only has two positions (on or off) with no temperature control. Infinite switches are standard on modern electric ranges.
Q: Can I replace just one infinite switch or should I replace all of them?
A: You only need to replace the faulty switch. However, if your range is older and multiple switches are showing signs of wear, you may want to replace them all at once to avoid future repairs.
Q: Why does my burner stay on high no matter where I set the knob?
A: This indicates the infinite switch contacts are stuck in the closed (on) position, causing continuous power flow to the element. The switch needs replacement. Do not continue using the burner in this condition as it's a fire hazard.
Q: Is this repair safe for a DIYer or should I hire a technician?
A: This repair requires working with 240V electrical components. If you have experience with electrical work, are comfortable following safety procedures (disconnecting power at the breaker), and can carefully document wire connections with photos, this is a manageable DIY repair. However, if you're not confident working with high voltage or electrical components, we strongly recommend hiring a qualified appliance technician.
Not sure about your model number? Call 1-877-899-7278 and we’ll help you confirm. All brand names are the property of their respective owners and are used for compatibility reference only.