Water Heater Woes: The Sounds of Sediment Buildup 🔥💧 Listen closely! That popping in your water heater can be a sign of trouble. Sediment buildup creates air pockets, causing those bubbling noises. This 19-year-old unit is struggling, with the thermostat set way too high. Is your hot water not so hot anymore? It's likely due to sediment absorbing the heat. Time for some water heater maintenance! Check out our video on draining your water heater using the drain valve to keep things running smoo