What Causes Water Heaters To Explode in Solon, OH?

When a water heater explodes, the results can be devastating. The blowup may damage your walls, floors, and wiring, and anyone near the heater could suffer severe injuries. No homeowner wants to experience that. 



You may ask, "What causes water heaters to explode?" Learn five factors that increase the risk of a water heater explosion and how you can mitigate them. 

5 Reasons for Water Heater Explosions

Can a water heater really explode spontaneously? It's rare but possible. Manufacturers work hard to make water heaters safe, but occasionally, you'll hear frightening stories about a unit that blew up and killed someone or destroyed a whole house. Naturally, you'll want to do anything to avoid such an outcome.

Water heater blowups happen for various reasons, most of which have to do with pressure buildup. Thermostat issues, mineral deposits, and malfunctioning parts may all cause a water heater to break down or, in an extreme scenario, explode. 

1. Malfunctioning Thermostat

When your water heater's thermostat doesn't work properly, it can cause overheating of the water in the tank. The thermostat should keep water at a safe temperature (around 120 to 140°F).

If the thermostat doesn't work properly for some reason (especially combined with a faulty pressure relief valve), the temperature keeps rising, and more and more water turns into steam. This creates enormous pressure inside the tank, which can eventually rupture like an overfilled balloon. 

If the water flowing out of your taps is unusually hot, your water heater seems to run constantly, or you notice unusually high energy bills, it's time for a plumbing inspection. A simple thermostat recalibration or replacement could help you avoid a serious danger.

2. Sediment Accumulation

Like many other locations in Ohio, Solon sees hard water with high concentrations of calcium and magnesium. Without proper upkeep, these minerals can accumulate at the bottom and on the walls of your water heater tank.

Although sediment may not be the first thing on your mind when you consider what causes water heaters to explode, mineral buildup can increase the risk of a blowup. Hard deposits over the heating element act like an insulator and prevent effective heat transfer to the water, which may cause the tank to overheat.

Sediment can also block the temperature and pressure relief valve. Finally, mineral buildup may weaken the tank's structural integrity over time and make the tank less resistant to steam pressure. 

You can prevent sediment buildup by having your hot water tank flushed at least once a year. Additionally, you should replace the anode rod every couple of years. This will help prevent corrosion and increase your tank's lifespan. Finally, consider installing a water softener to protect your appliances and improve water quality. 

3. Faulty Temperature and Pressure Relief Valve

The temperature and pressure relief valve (the T&P valve) is a key safety feature in water heaters. It's responsible for releasing water and steam once the pressure inside the tank crosses a certain limit.

If the T&P valve fails or gets blocked, the pressure in the water tank will continue to build up. Corrosion, wear and tear, and (as mentioned above) mineral deposits may all prevent this valve from working properly. Make sure you replace the T&P valve ASAP if a plumbing inspection reveals any damage to this crucial element. 

4. Ignition Failure

If you have a gas heater, ignition failure is another possible answer to "What causes water heaters to explode?" When the pilot light can't ignite the gas (because of a clogged burner or other issues), the gas may continue to accumulate. Both natural gas and propane are highly flammable and may become explosive under certain conditions.

If the ignition releases a delayed spark, the pent-up gas can combust and damage the unit. Even worse, the gas may leak into the room and encounter something that could trigger an explosion, like an electrical spark or an open flame. 

Watch out for warning signs like a sulfury gas smell, burn marks or soot near the water heater, or clicking noises that may point to a struggling ignition system. Keep the water heater area well-ventilated, and always call a professional if you suspect the ignition isn't working properly. 

5. Electrical Problems

Electric water heaters use electrical heating elements rather than burning gas to supply hot water. If the heating element isn't working properly and won't shut off, the water may overheat. The pressure inside the tank could then rise to dangerous levels, especially if the T&P valve has failed as well. 

Damaged wires or faulty electrical connections may cause a short circuit, which could start a fire or even lead to an explosion, especially if you store any flammable substances near the water heater. A faulty fuse or circuit breaker increases the risk of excessive current, overheating, fires, and explosions. 

Prevent Water Heater Blowups and Breakdowns in Solon, OH

Regular maintenance can prolong your water heater's life and minimize the risk of explosion. A basic annual inspection will help you catch and fix issues before they get out of control.

If you notice low water pressure, leaks, discolored water, or other suspicious signs, call a trusted local plumber. The problem will only get worse if you ignore it. Your water heater is far more likely to break down than to explode, but you still don't want to be stuck without hot water. 

In case you're struggling with an old, unreliable unit, consider water heater replacement in Solon, OH. A new water heater will ensure a consistent hot water flow and lower maintenance costs. It can also slash your energy bills since newer models are much more energy efficient. 

Call Formica Plumbing for Highly Rated Water Heater Services in Solon, OH

Are you wondering what causes water heaters to explode and how to avoid this emergency? Pay attention to warning signs like inconsistent water temperatures and strange water heater noises. If you suspect there's a problem with your water heater, contact us at Formica Plumbing to schedule an inspection.