Many persons make the mistake of thinking that they just have to remove the water present in the heater and start the heater all over again.
Such a move is fraught with risks.
Are you aware of the possibility of damage that may have occurred to the heater in the interval? This is particularly true in case of storage water heaters.
Tank less water heaters may not have storage issues but there is a possibility that the water may have got stuck in the inner tube.
If you had blocked the inlet when you stopped using the heater, you may not face this problem.
However, the water has been stagnant inside the tank less water heater for many months; it obviously is going to have an impact.
Plastic may not be vulnerable to water but it certainly is going to suffer if it is filled with water for a very long time.
Even the slightest crack or weakness may cause the tube to malfunction when hot water passes through the same.
If possible, you should have maintenance via check out the heater before you start using it.
If this is not feasible, you should make use of the internet and get information about the heater model.
You should find out how to open the water heater.
Once the heater has been the opened, you can operate the same from a safe distance.
Do not try to tinker with the innards of the heater when it is operating.
However, if you can see the water being filled in the tank and if you can have a look at the condition of the tank, you will obviously be in a position to judge whether maintenance is required or not.
Further, you should remove the plug from the electrical socket and take a look at the various tubes, wires and pipes in the heater.
Remember, you do not have to be a rocket scientist to understand the condition of the heater.
If it looks bad, it probably is.
If you are not satisfied with your check, you can proceed to call the expert.
Remember, it is always better to be safe than sorry when you are dealing with something that has the potential of causing immense damage.
If you have more than one heaters in the house, make sure you repeat this process with all the heaters irrespective of whether you use it very often or not.