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From the Field
Five checks a homeowner can do about once a year, with the safety steps, and a clear line for when to stop and call.
Short answer: A tank water heater needs a short check about once a year: drain a little to flush sediment, look at the anode rod, lift the relief valve lever, and keep the thermostat at or below 120 degrees.
A water heater works quietly in a basement or closet for years, so most people forget it until the hot water stops. A few small checks each year can catch trouble early. This list covers what a careful homeowner can do safely, and where it is smarter to hand the job to a plumber.
Stuck on the drain valve or the anode rod?
Text Ryan a photo of the heater and its label. He is a licensed Master Plumber and answers his own phone.
Read the label on your heater first. The maker prints its own steps, and those win over any general list. Wear gloves and eye protection, because hot water and sediment can spray out of a drain or relief valve.
Minerals settle at the bottom of the tank as sediment. A thick layer makes the heater work harder and can make it pop or rumble. One major water heater maker says most tank heaters need flushing at least once a year, and more often in hard water areas.
If the drain valve is plastic and sticks, or the water never runs clear, stop. Forcing a worn valve can leave you with a leak. That is a quick job for a plumber.
Many homes around Ellijay, Jasper and Blue Ridge run on a private well. Well water can carry more sand, iron or minerals than city water, so sediment may build up faster. Hard water leaves scale, which is the same kind of buildup. Our post on hard water and your plumbing explains what that does to a heater. A whole-home filter or softener can slow it down, and Ryan installs both.
On a septic system, send the flush water to the yard or a floor drain that does not feed a nearly full line, and never onto plants or near pets, since the water is hot. Check where your hose end sits before you open the valve.
Inside the tank is a metal rod that corrodes on purpose, so the steel tank does not. The same maker suggests checking it once a year. A rod in good shape is smooth and about half an inch thick. If it is badly worn, or several inches of the bare core wire show, it needs replacing.
This one is harder than the flush. The rod sits under a hex head on top of the tank, usually needs a long wrench, and needs headroom to pull out. Many basements and closets do not have it. If you cannot get it out safely, ask Ryan to look.
The temperature and pressure relief valve is the heater's safety valve. If the tank overheats or pressure climbs too high, it opens and lets water out. The maker says a homeowner should check it once a year, and a professional every five years.
Older valves sometimes fail to reseat after a test. If you have any doubt about the age of yours, let a plumber test it.
The maker recommends a setting no higher than 120 degrees Fahrenheit. Hotter water can scald, especially children and older adults. Find the dial on the gas control or the thermostat behind the electric heater's access panel (power off first).
Care helps, but every tank wears out. Signs it is time to talk about a new one include water pooling under the tank, rusty hot water, and repair calls that keep coming. Our page on how long a water heater lasts covers age in detail, and a leaking water heater is never a wait-and-see problem.
Ryan repairs and replaces tank and tankless water heaters. A job typically runs about $500 to $2,000 depending on the unit and the job. The estimate is free before any work. He is a licensed Master Plumber, and the work is backed by a warranty with terms given in writing at the estimate. See the water heater service page.
"Ryan tells you what he is going to do, why he needs to do it and what it will cost. Then he shows up when he says he will, does the work correctly, neatly and quickly and bills with no surprises. I wish there were more people like Ryan in the world."
One major water heater maker says most tank heaters need flushing at least once a year, and more often if you have hard water. Well water homes with sediment may want to check more often. Follow the label on your own heater.
The maker says a homeowner can check it once a year. Use a bucket, keep clear of the outlet, and lift the lever just a little. If it drips after, or will not move, call a plumber and do not cap the pipe.
The maker recommends no higher than 120 degrees Fahrenheit. A higher setting can scald.
Yes, but the steps differ. Follow your maker's manual, or ask Ryan. Our tank versus tankless guide compares the two.
It can be, and it is common on well water. Our sulfur smell guide explains the causes. Text Ryan a note about it.
Call or text Ryan to ask. He can look at your heater, explain what he sees, and give a free estimate for any repair.
Call or text Ryan. He answers his own phone, and a text reaches him even when mountain cell service drops.