You count on your water heater tank to store plenty of heated water, ensuring your family has an adequate supply whenever they need it. A leak is never a welcome surprise, as it not only causes water damage but also means that there’s a problem that requires repairs — or a total tank replacement.
As the top-rated plumbers in Medway, MA, customers often call asking, “Why is my hot water tank leaking?” In most cases, it’s because of one of the following issues.
The Most Common Causes of Water Heater Leaks in Medway
Although most water heaters can last up to 15 years without any trouble, as they get older, they can begin to have problems that result in leaks. Maintenance is crucial to preventing water tank leaks and other issues, but ultimately, these appliances have limited lifespans and will eventually need replacing.
That doesn’t mean that hot water tank leak repairs are impossible, though. Depending on the reason for the issue, a quick fix might be all that’s necessary to stop the dripping. With that in mind, these are the most common water heater leak reasons.
Cracked Tank
If the leaking water heater troubleshooting reveals that the tank has a crack or other damage that’s allowing water to escape, the only solution is to replace it. Age and corrosion are the most common reasons that tanks crack in Medway, but physical damage from something falling against them can also lead to a crack.
Loose Gaskets
Another common answer to, “Why is my hot water tank leaking?” for Medway homeowners is loose or failing gaskets. Gaskets help create a watertight seal at the connections between the pipes and the tank, so when they fail, water will escape. Age is the most common reason for loose gaskets, but in most cases, replacing and tightening them will solve the issue.
Damaged Drain Valve
When you spot water leaking from the bottom of the water tank, the most likely culprit is a faulty drain valve. This valve allows you to drain water and sediment from the tank for maintenance, but if it sustains damage, it won’t keep the water in the tank. A simple replacement will stop the water flow.
Corroded Anode Rod
Water heaters contain an anode rod to help prevent corrosion inside the tank. The metal rod runs the length of the tank and absorbs harmful particles, preventing rust, sediment, and minerals. This keeps them from accumulating on the tank lining, where they’ll eat away at the metal and cause tank damage.
However, over time, the anode rods themselves can succumb to corrosion, which speeds up the tank’s deterioration and increases the likelihood of a leak and hot water tank dripping issues. Replacing the rod before this happens can extend the lifespan of the tank, since if it becomes so damaged that the tank develops holes or cracks, then you’ll need a Medway plumber to install a new unit.
Malfunctioning Temperature and Pressure Relief Valve
All water heaters have a temperature and pressure relief valve to help control the amount of heat and pressure buildup inside the tank. It’s a critical safety feature that prevents explosions, so if you notice water leaking from the heater, be sure to inspect these valves. The problem could be a faulty valve or excess water pressure in your pipes, or you may have the temperature set too high.
Sediment Buildup
Finally, the answer to, “Why is my hot water tank leaking?” could be that there’s too much sediment accumulation. Over time, sediment builds up at the bottom of the tank, which can cause a multitude of problems, including leaks, reduced efficiency, and a shorter water heater lifespan. Flushing the tank at least once a year helps prevent this buildup and protects the appliance from damage.
Turn to Medway’s Plumbing Experts for Water Heater Maintenance and Repairs
If you’re cleaning up puddles and want to know, “Why is my hot water tank leaking?” get in touch with A&L Plumbing, Heating, and Cooling. Medway, MA, homeowners trust our team of licensed plumbers to find the source of the leak quickly and recommend the best way to solve the problem. If you need a new water heater, we’ll make the installation process as simple and hassle-free as possible and provide some helpful water heater maintenance tips along the way.
We’re also the local source for heating and AC services, so whatever you need to keep your home comfortable, we’re here to help. Contact us to learn more.