As a standard immersion heater is 3KW, so it would take 2 hours to heat 100 Litres of water. After an hour and a half, it will only have reached about 53 degrees.....
Symptoms & Signs. Pain in the heel can result from a number of factors. Abnormalities of the skin, nerves, bones, blood vessels, and soft tissues of the heel can all result in pain. Because of walking and daily movement, we are always at risk for injury or trauma to the heel area. Common causes of pain in the heel include blisters and corns. Plantar fasciitis, inflammation of the bowstring-like tissue in the sole of the foot stretching from the heel to the front of the foot, is one condition commonly associated with heel pain.
plantar fasciitis causes pain in the bottom of the heel the plantar fascia is a thin ligament that connects your heel to the front of your foot it supports the arch in your foot and is important in helping you walk