Use of propane hot water heaters is one of the cheapest methods to heat water. This is mainly since the fuel employed for heating is propane, which is really a low-cost and a clean fuel. The propane hot water heaters consist of a number of gas lines which carry propane from its source. These lines join at one point to create a flame which heats up the water. With developments in technologies, the tank-less propane hot water heater was developed. This program maximizes the fuel efficiency of the program therefore saving a great deal of money for its users....