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.
Fergus, ON, Canada N1M 2X1 GAS FIRED WATER HEATER â JohnWood. GAS FIRED WATER HEATER the burner causing a sizzling noise as the water is evaporated. onto the burner and make a hissing or sizzling sound. This is normal and should not be a reason for concern.