Sometimes, a noise might come from an appliance in your home that makes it obvious there’s a problem—like a screeching sound coming from your AC or heating system. Other times, though a noise can be so faint that you may think you’re imagining it, or think it’s so minor it doesn’t deserve your attention. One of these noises is knocking, coming from your water heater. Also described by some homeowners as a “popping” sound, this isn’t one to be ignored.
A knocking or popping sound coming from your water heater may indicate problems that can accelerate the longer you let them continue. Keep reading to learn more about what this noise might be, and what you should do about it.