Water heaters typically have a hose spigot at the bottom of them. These can be opened and drain the water heater of all the water. The problem is if this isn't done regularly and you are tying to remove hardened sediment it may clog and not drain much of anything. There are ways to aid in the flushing of sediment build up of a water heater, but they are more technically involved and still may not remove the sediment if an annual service has been neglected.
You first turn OFF the power to tank, now remove the anode rod, ( a large bolt head on top of the tank, attached to what may remain of your rod) . Then attach a hose pipe to the bottom fitting, lead it outside or to any drain, turn on the valve by it, turn OFF your inlet valve and open the relief valve (usually on the side with a loose tin handle) so air can enter the H/W tank. Let the whole tank empty -takes about 30 -40 minutes. Next, when empty turn ON the inlet valve and let cold water run through the tank and out the hose, now you will see the sludge coming out. Let this run 5-7 minutes or until water is coming through clean. Now you are done . Let it fill, install new anode while it's filling, then turn on power.
Over time, sediment can build up in your hot water heater, degrading performance and greatly shortening its lifespan. Cleaning out your hot water heater is a fairly easy project.
First, turn off the gas or electricity to your heater, hook a garden hose to the boiler drain and turn the cold water inlet valve on. Turn on a hot water faucet in your home.
After the water drains, turn your cold water inlet valve back on. Keep the hot valves on and run water until it runs without any air before you turn on the electricity or gas.
It is probably sediment from the hot water heater, you may need to flush out the hot water heater tank, all it takes is a garden hose.
There are a couple of reasons why your hot water heater would groan. The valves may not be opened correctly. Or there could be a build up of dirt on the bottom of the tank. Clean out the sediment by letting the water run out until it is clear and this should help.
Why would anyone put dirt in a water heater ?? Normally water heaters have sediment from the minerials in the water supply and the instructions furnished with the heater tells how to cure this problem
Many manufacturers recommend periodic flushing of water heaters to remove sediment that can build up. The sediment can cause discoloration of the water and can make the water heater less efficient. Be sure to follow the manufacturer's owners guide for your hot water heater.
No, you have to attach a garden hose to the fitting at the bottom of the tank. Often the tank will have sediment built up in it and the water will drain very slowly from this.
It is a water heater, not a hot water heater. There would be little point in using a hot water heater. I assume that is your point.
You are more than likely correct. Try draining the water heater to remove any sediment.
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THERE IS NO SUCH THING AS A HOT WATER HEATER.
It's called water heater. There isn't a reason to heat hot water
AS water heaters age, they corrode and also incur mineral deposits and sediment at the bottom of the tank. This sediment is what causes the popping noises when the heater turns on. It is mini explosions inside the tank. Having yearly maintenance on the water heaters helps to prolong your heaters from having this issue by flushing out the sediment buildup and replacing the sacrificial anode rods when needed.
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