Print: In this video a physiotherapist demonstrates gentle exercises for piriformis syndrome, a form of sciatica. The aim of these exercises is to stretch and mobilise the piriformis muscle in the buttocks and therefore to reduce the symptoms of sciatica. This video is part of a series on exercises for sciatica.
1 AGE: On average, your gas hot water heater should last anywhere between 8 to 12 years, while an electric model will last a bit longer at 10 to 15 years.  WATER: When you use your hot water tap, does the water look a bit tinted?
How long does a water heater last? This is a very hard question because it depends on the quality of the water and the quality of the water heater. Water heaters in PSE&Gâs service territory typically last between 10 and 12 years. (Back to Top).