Anode rods are an essential component of tank-style water heaters. Most anode rods are sacrificial, meaning they are designed to corrode (instead of your water heater lining). Tankless water heaters don't have anode rods, but all standard tank-style water heaters do.
Why doesn't my water heater have an anode rod?
If your water heater doesn't have a separate hole for your anode rod, it is most likely attached to the hot water outlet. Unscrew the flex supply to the hot water outlet, which should enable you to unscrew the anode rod and pull it out to check.
Can you run a water heater without an anode rod?
Without a working anode rod, your water heater tank will be vulnerable to rust, corrosion, and other damaging effects of chemicals and minerals in your water supply.
Are anode rods necessary?
Yes, an anode rod is necessary. It protects your water heater from corrosion and extends its life. However, once the magnesium or aluminum from your anode is dissolved, the steel walls of your water heater will start to rust.
Where is the anode rod located on a water heater?
Locate the anode rod. Most will be located on top of the water heater, though some may have the anode located on the side. On most it will look like a hexagonal plug screwed into the heater.
Does a gas water heater have an anode rod?
Inside the Tank In glass-lined tanks, there will be a metal rod in the tank, usually magnesium or aluminum, called a sacrificial anode. The anode rod is bolted and fastened to the top of the tank and extends deep into the tank.
Can I replace anode rod myself?
How to Remove a Water Heater Anode Rod. Water heater anode replacement can be completed by homeowners. If you'd like to inspect or replace your water heater's anode, follow these steps: For electric water heaters: Turn off the water heater and cut power to the unit from the circuit breaker.Mar 5, 2019
Do you have to drain water heater to replace anode rod?
If you have a side mounted anode rod, you'll need to drain more. Since many old rods are difficult to remove, having the extra weight in the tank will prevent the entire water heater from rotating as you attempt to loosen the rod. It's recommended to let the tank water cool off a bit before removing the anode rod.