Sometime you may notice that the drain valve of your water heater is not closing properly. After a blast of water the drain valve is off still drop of water is falling from the faucet. The reason is obstruction of filth or grease on the drain valve. Also water of the valve has been corroded and doesn’t forms seal as well. Sometimes one more water blast can stop the leak but if it is not then replace the valve. Drain valve of water heater work as typical garden spout and smut doesn’t let the valves open fully. But it’s not an worried task as you can fix it yourself. Turn off the heater first and make the water cool. Bring out the threaded end and check if there is rust. Be careful it’s a heavy work. Set up a solid brass valve when replacing.
The saddest thing for a water heater owner is a tank leaking. If there is no leak found or it doesn’t give you a specific position of leak after a clear investigation there may be some really bad news for you. Check the base with a torch light. Look around the metal jacket if water is coming out from its joint. Also there may be a damp filling around the burner. If you notice this you have nothing to do without buying a new water heater. Tank damage cannot be repaired by replacing.
Every part of an electric water heater machine is headed to the tank. Look at the joint of pipes with tank. Cover every spiral joint with rubber gasket in the screw as it doesn’t open up or create any leak. In gas water heater the thermostat valve is headed to the tank. Thermostat valve can show fault and stop working properly. If such problem occurs then remove and replace the thermostat valve as it can badly damage the machine and can lose the temperature control of you heater. To prevent the corrosion of metal parts of the water heater machine inside there is an anode rod made of copper or other metal which is threaded to the tank also. Leak or problem like rust can arise on the rod. Loose the rod and wrap some plumber seal tap over the thread. It may be tough to screw up the pipe. But you can do it yourself by trying and easily solve your water heater problem.