The immersion tube element is a M.S or S.S tube designed and fabricated to be installed into the tank /bath to be heated . The immersion tube burner fires into this tube with an efficiency of 85%+ . the burner is automatically controlled by thermostat and a controller on the burner. The heat is transferred to the object by conduction and convetion.
Most simple, cost effective and reliable method of water heating for hotels, restaurant , hospitals, houses, Residential societies, and industrial process water heating.
This method also applies for industrial chemical baths / tank heating with gas at best cost.(no boiler or thermopack required)