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.....
Another common cause of heel and calf pain is Achilles Tendinitis. Symptoms are frequently described as an aching pain in the back of the lower leg and just above the heel. This sensation is typically worse after exercise and upon first waking up in the morning.
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.Plantar fasciitis is one of the most common orthopedic complaints.lantar 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.