You know a hot water tank is about to blow or has failed if you see water pooling around the base, hear loud rumbling/popping noises, get discolored/rusty water, smell rotten eggs (gas leak), or see the pressure relief valve leaking, all signs of excessive pressure or corrosion that can lead to a dangerous rupture or explosion, requiring immediate shut-off and professional help.
Top Signs Your Water Heater Is Going Out
The water from the explosion is scalding hot and can leave you with burns. Finally, the water heater is made of metal, which can turn into dangerous shrapnel in an explosion. Any one of these things would be dangerous on its own; together, they are an absolute disaster. The explosion also causes property damage.
Anything that causes excess pressure on your water heating system, such as a poor anode rod, or a lot of sediment buildup, can all cause your water heater to explode. A gas leak can also cause your water heater to explode because it is a tremendous fire risk.
It can be due to a malfunctioning heating element, a damaged thermostat, or a failed heating control circuit. Insufficient Gas Supply: If you have a gas-powered water heater, you may have no hot water if the gas supply is insufficient.
Several factors contribute to what causes a hot water heater to go out. Anode rods get used up over time. Metal tanks can corrode or leak. Heating elements break or stop working.
4-Simple Steps to Reset Your Electric Water Heater
Q: What typically causes a water heater to malfunction? A: Common causes of water heater malfunctions include sediment buildup, faulty heating elements or thermostats, corroded anode rods, and excessive water pressure. Regular maintenance can help prevent many of these issues.
Also, if the T&P valve goes bad/starts leaking (which it will eventually), then pressure will continue to build in the tank, leading to a burst or explosion. How to prevent: Pressure builds in the tank when you set the temperature too high (140-145 degrees).
Leaks: If your water heater is leaking, it must be replaced immediately. Leaks are usually the result of pressure buildup inside the tank. This happens when the water pressure or temperature is too high, or when the unit's relief valve is not working properly. Neglecting a leak can lead to a tank explosion.
Inspect your T&P valve – Traditional storage tank style water heaters have a T&P (temperature and pressure) valve that releases excess pressure and keeps your water heater from becoming a bomb. Test it regularly – it should release some water when you flip the lever and then go back into place.
If your hot water heater “goes” – meaning the plumbing or the unit fails in some way – it will continue to pump water into your living space until it is discovered and the main water supply valve is shut off.
If your water suddenly turns cold or doesn't get as hot as it used to, the heating element or thermostat may be malfunctioning. Rusty or discolored water. Brown, orange, or metallic-tasting water may indicate internal corrosion. Once rust begins inside the tank, replacement is usually necessary.
Average Lifespan Of A Hot Water Heater
With regular inspection, draining, and flushing, you can expect a gas water heater to last anywhere from 8-12 years and an electric water heater to last anywhere from 10-15 years.
Can you Use your Water If your Water Heater is Leaking? The short answer is yes, as long as you don't mind using cold water.
If too much pressure builds up inside your water heater, it will eventually burst. Water heaters feature a temperature and pressure relief valve, but over the years, the pressure can still wear down your tank. If the T&P valve frequently opens or starts leaking, you likely have a pressure problem.
What to do when your hot water heater busts
If the fuel tank experiences a high level of pressure within it and a small compromise of the fuel line occurs, that can cause serious risk. The fuel can escape from the fuel system, and as it does, the risk of fire increases substantially. A mixture of oxygen and fuel vapor can cause an explosion to occur.
If you notice discolored or rusty water coming out of your water heater, this is a sign that some of its internal parts are rusting. The accumulation of rust weakens metal and makes it more likely to burst.
A lack of hot water can be caused by a variety of issues. In electric water heaters, a power loss or heating element failure can cause water to no longer heat in the tank. In gas water heaters, a faulty gas connection, a bad pilot light, or a bad burner can cause no water to heat.
Common Signs Your Water Heater Has a Problem
Your Thermostat is Bad
Each thermostat controls a heating element, which heats the water. When the water reaches the desired temperature, it's the job of the thermostat to shut the heating element off. But if one or both thermostats go bad, it can force the heating element to run continuously, overheating the water.
If your hot water is not working but cold water is, the issue is often with the water heater. Common causes include a tripped breaker, faulty heating elements, or a gas valve failure. A professional plumber can quickly diagnose and restore service.
You should really drain and flush your water heater twice-per-year: once in the spring, and then again in the fall. The reason why comes back to what a water heater is flushing out: minerals and sediment.
The first place to look is your hot water heater. Whether you have a unit from York, Lennox, or Carrier, the root cause could be found within the system itself, a gas issue, or an electrical issue.