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.....
Podiatrists cite Plantar Fasciitis as being the most common cause of heel pain. Typical symptoms of this condition include sensations of pain, burning or heat in one or both heels.
Finally, heel pain sometimes arises because the foot does not absorb shock as it should. Less frequently, the patientâs heel pain is a result of a nerve entrapment, tendon dysfunction, or other plantar structural changes of the foot. Other common causes for heel pain include: Achilles tendonitis.