The phrase “how to check pilot light on water heater” directs the user toward a procedure for verifying the operational status of a small, constant flame that ignites the main burner in a gas-powered water heater. This process typically involves locating the access panel, observing the presence or absence of the flame, and understanding the implications of either condition.
Ensuring the pilot light is functioning correctly is crucial for maintaining a consistent supply of hot water. A malfunctioning pilot light can lead to a cold water supply, energy inefficiency, and potentially, a hazardous gas leak. Historically, checking this component was a regular maintenance task homeowners performed to ensure optimal appliance performance and safety.