The answer to 'water heater installation making noise' is that a noisy water heater can be caused by several common issues, such as sediment buildup, mineral deposits, or loose connections. These problems can lead to strange sounds like rumbling, popping, or banging noises coming from the tank.
Some causes of water heater noise include: 1) Sediment buildup on the tank bottom, which can harden and cause banging as the water heats up and expands. 2) Mineral scale and deposits on the heating elements, which can lead to rumbling or popping sounds. 3) Loose plumbing connections or fittings that allow vibration and noise.