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?
That depends on its age. The older your hot water heater, the more likely youâre losing hot water energy heater savings. Consumer Reports suggests that if your water heater has a 12-year warranty and youâve been using it for 15, itâs likely time to look for one of the more energy-efficient options to maximize hot water heater energy savings.