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?
Water heater replacement clue #1: Age. The older a water heater gets, the more likely itâs about to break down. Electric water heaters generally last 8-10 years, while gas water heaters may only be good for 6-8 years.If your water heater is any older than this, it may be time to check for some of the symptoms below.ater heater replacement clue #1: Age. The older a water heater gets, the more likely itâs about to break down. Electric water heaters generally last 8-10 years, while gas water heaters may only be good for 6-8 years.