A water heater is a home appliance that proves to be very useful but when water starts leaking from the bottom of the heater that it an indicator to replace the heater. Water leakage shows that the inside of the tank is corroding or wearing off. Some water heaters will last up to 20 years but most last for up to 10 years.
Knowing when to replace a water heater can save you from a whole heap of unwanted trouble. Like said before most water heaters can last from 8 to 15 years but if the heater stops working that is a sign that you need to replace the heater. More indications are when the water starts dripping from the tank signalling corrosion. As this is a damage that cannot be fixed you would have to replace the heater. If you face problems such as no hot water and insufficient hot water you should try getting it fixed before replacing it.
When not sure of what the problem with your water heater is you should contact a professional plumber.
Sometimes a permit is required to replace the heater; furthermore, it would be ideal to have the contact information of the local plumber at hand. The plumber may provide useful information if you need to replace your water heater and help you figure out what kind of heater you should replace your old one with. Heat treatment furnace is used to make the material for making water heaters. Most people would like a plumber to come and fix their water heater for them when such a problem has occurred for the first time.
If you think that you can replace the water heater all by yourself you will need quite a number of tools such as a screwdriver, pipe wrench, adjustable wrench, plumbers tape, tube cutter, tape measure, carpenters level safety glasses and rags. You will also need a new water heater it could be a gas heater or an electric heater, gas and water piping, fittings, pressure relief valve, solder, pipe thread compound, discharge pipe, connectors and venting pipe.
If you were using a gas heater you must first turn the gas supply off by using the adjustable wrench. If it is an electric water heater you should turn off the circuit breaker or remove the fuse. Next the tan should be drained. Next the gas and water lines should be disconnected. Then the old tank must be removed and discarded and the new heater should be set in place. The hot and cold water lines should be connected and the old pipes may have to be cut or extended. Finally, the vent must be reattached and the gas line should be cleaned and connected.