The most common cause of water heater failure is internal corrosion, where the steel tank rusts from the inside out until it leaks and can no longer be fixed. This happens faster in Aurora than in a lot of places because our water is very hard, around 11.2 grains per gallon, and those minerals speed up the rust while piling up as sediment on the tank floor.
You have probably fought hard water somewhere in your home already. That white crust on your showerhead and the film on your glasses come from the same minerals, and they are working on the inside of your water heater every single day.
Every tank water heater ships with a sacrificial anode rod, which is a metal rod that corrodes on purpose so the tank does not have to. Over time that rod gets used up, and once it is gone the exposed steel starts to rust and the tank is living on borrowed time. Hard water makes this worse in two ways. The calcium and magnesium settle out as a thick layer of sediment, and that layer traps heat against the steel and creates hot spots that stress the tank, which wears the lining down and pushes it toward an early leak. A standard tank heater is built to last about 8 to 12 years, but Aurora’s very hard water can trim years off that number when the tank is never flushed and the anode rod is never checked.
Hard water is not the only thing working against a water heater here, because our high-elevation winters matter too. Cold incoming water in January forces the burner or element to run longer and hotter to hit temperature, and that adds wear on top of the scale problem. Many Aurora homes also run higher municipal water pressure, and without a pressure-reducing valve that extra pressure stresses the tank and the T&P relief valve. A thermal expansion tank, which code requires on many closed-system installs here, takes some of that pressure off the tank and helps it last.
How do I test if my hot water heater is bad?
You can spot a failing water heater before it quits on you, and it starts with looking and listening. Check the floor around the base of the tank for any water, dampness, or rust stains, because a puddle at the bottom almost always means the steel has rusted through, and that is a replacement rather than a repair. Next, run the hot tap and watch the water, since rusty, brown, or metallic-smelling hot water points to a corroding tank or a spent anode rod. Then listen while it heats, and if you hear popping, rumbling, or crackling, that means sediment has hardened on the tank floor, which is common with our hard water. Finally, check the age. The manufacture date is encoded in the serial number sticker, though the format varies by brand, so check your manufacturer’s code to read it right. If your unit is past 10 years, running lukewarm, or leaking, it is time to think about a new one. When you are not sure what all the signs add up to, our water heater repair service in Aurora can test it and give you a straight answer.
Should I replace my hot water heater before it fails?
Often, yes, because replacing on your own schedule beats replacing at 6 a.m. with cold water and a wet basement floor. A tank that lets go leaves you without hot water and dumps 40 to 50 gallons onto the floor, and in a finished Aurora basement that can mean drywall, flooring, and mold damage on top of the cost of the new heater. One local homeowner who left us a Google review had a heater give out and called us the same day, and we helped limit the damage by pointing them to a water mitigation company that could respond right away, but getting ahead of it is always cheaper than cleaning up after it. The best window to plan a replacement is when your unit hits 10 to 12 years, especially if it has never been flushed and sits somewhere a leak would do real harm. An older tank that is already scaled up is more likely to fail without much warning, so age combined with our water is a fair reason to get ahead of it.
Is it better to repair or replace a water heater?
It comes down to age, the part that failed, and cost. Repair usually makes sense when the tank itself is sound and one replaceable part is the problem, since thermostats, heating elements, gas valves, T&P valves, and anode rods are all made to be swapped, and fixing one in a younger tank is straightforward. Replacement is the better call in these cases:
- The tank is leaking from the body, not a fitting
- The unit is past 10 to 12 years old
- You are stacking up repairs in a short stretch
- The repair would cost more than about half the price of a new unit
A leaking tank is the clear line, because once the steel has rusted through, no repair brings it back and a patch just delays the flood. When the numbers point to a new unit, our water heater installation service in Aurora handles the swap, including the expansion tank and any pressure fixes Aurora code calls for. We give you flat-rate pricing up front, so you know the cost before any work starts.
What maintenance prolongs water heater life?
Two habits do most of the work in Aurora, and those are flushing the tank and checking the anode rod. Because our water is so hard, sediment builds on the tank floor fast, so flushing once a year clears it out before it bakes into a hard crust and creates hot spots. The anode rod is the other key, and in hard water it can wear out in as little as 3 to 5 years, after which the tank starts rusting, so having it inspected and replaced on time is one of the best ways to add years to the unit. These water heater maintenance services in Aurora also help:
- Set the temperature around 120 degrees to cut scale and save energy
- Confirm the T&P relief valve works
- Add a pressure-reducing valve if your home’s pressure runs high
- Consider a water softener to slow scale across the whole house
A softener is worth a look here, since it protects your fixtures and appliances too, not just the heater. You can see the full range of water heater services in Aurora we offer, from tune-ups to full replacements.
Hard water and cold winters wear a water heater down faster than most homeowners expect, and internal corrosion is usually what finally ends it. At Superior Mile High Plumbing, we flush tanks, check anode rods, and handle repairs and replacements so you get every year your heater has in it and avoid a surprise flood. We oversee every job ourselves and give you honest, flat-rate pricing before we start. If you want your water heater checked or serviced, call Superior Mile High Plumbing at (303) 304-0784 and we will take care of it.