Here are some key points about neuropathy. More detail and supporting information is in the main article. 1  Neuropathy is a common condition. 2  Neuropathy is a complication of a number of different medical conditions. 3  Three types of nerve can be involved; autonomic nerves, motor nerves and sensory nerves. 4  Sometimes single nerves, or nerve sets are affected.
If you never remove the scale from a water heater tank the clanking or cracking noise heard at the water heater during operation may eventually cease when the scale solidifies, no longer trapping hot water and interfering with its movement upwards in the water tank.
Become familiar with the controls on your water heater. Popping noises in gas and electric water heaters are the result of mineral deposits that build up in the tank. As the water heats up, steam is produced at the deposits and makes popping noises when it releases. In-line water filters remove a lot of the minerals in hard water.