How Long To Drain A 40 Gallon Water Heater?

There is really only one answer that you will need to ask yourself when faced with the question of how long to drain a 40 gallon water heater. Determining if it will be necessary to drain it is really not that difficult a task, but there are some things that you are going to have to take into consideration. So, now that you know that, here is how long to drain a 40 gallon water heater and what you are going to need to look for.