What is the process for heating coil replacement in a heating system?

To replace a heating coil in a heating system, first turn off the power to the system. Next, locate the coil and remove any covers or panels blocking access. Disconnect the wires and tubing connected to the coil. Remove the old coil and replace it with a new one of the same size and type. Reconnect the wires and tubing, then turn the power back on to test the new coil.