Can a Failing Water Heater Cause Water Damage?

It's estimated that 69% of water heater failures stem from slow leaks or sudden bursts. On average, a failing water heater can cost you over $3,000 in property damage. A water heater leak or burst can damage floors, walls, and personal items. The damage becomes even worse when the problem is undiscovered for days or even weeks. Apart from property damage, undetected water leaks can increase your water bill, further leaving a dent in your wallet. It’s in your best interest to keep a close eye on the condition of your water heater and call a local plumber for help.

How Water Heater Failures Lead to Damage

One of the most common causes of water heater failure is internal corrosion. Over time, sediment builds up at the bottom of the tank. This sediment can trap heat and cause the metal lining to deteriorate. Once the tank corrodes from the inside out, small leaks can develop. These leaks may start as minor drips but can eventually worsen into water discharge.

Another common issue is a faulty temperature and pressure (T&P) relief valve. This valve is designed to release excess pressure inside the tank. If it malfunctions or becomes clogged, pressure can build to dangerous levels, increasing the risk of tank rupture.

Loose or worn-out connections, cracked drain valves, and deteriorating supply lines can also contribute to leaks. In some cases, the issue may not be the tank itself but a damaged fitting that allows water to escape continuously. Watch for signs of water heater leaks in your home and call a nearby plumbing repair service for an inspection.

Signs of a Failing Water Heater

• Water pooling around the base of the water heater
• Strange noises coming from the tank
• Reduced hot water pressure or lukewarm water
• Fluctuating water heater temperature
• Discolored or water has a metallic taste—these are signs of internal corrosion

If you’re dealing with any of these signs, contact a local plumbing repair service for a quick inspection. An expert will inspect your water heater thoroughly and determine its overall condition. They will provide you with honest recommendations, whether it be repairing the appliance or replacing it entirely. Timely action will help you prevent catastrophic failure and ensure you have access to hot water when you need it.