7 Common Causes of No Hot Water

If you’re reading this, there’s a good chance it’s because you just had a breathtakingly cold shower or turned on the faucet to discover that your house doesn’t have hot water. It’s an irritating scenario, but don’t panic. Learning the most likely things that leave you with no hot water is the first step toward finding a solution. Here are some of the most likely reasons why you might be having hot water problems so you can get back to getting the hot showers you deserve.

1. Gas Leak

Do you have a gas water heater? It may not be generating hot water because of a gas line leak. If you detect a suspect rotten egg aroma, assume you have a leak and follow these steps:

    • Shut off the gas valves at your home.
    • Don’t switch any electrical appliances on or off.
    • Avoid smoking or using a lit match.
    • Open windows and doors for ventilation and evacuate the building.
    • Notify the fire department and your utility provider.
    • Never try to repair the gas line yourself.

2. Gas Valve Failure

This hot water dilemma can be challenging to diagnose, but it’s often the cause of no hot water coming from a gas water heater. Get started by inspecting the gas inlet valve and gas supply tube for leaks. If everything seems undamaged, look at the gas valve to make sure it’s in the correct position and the gas is turned on. If the pilot light is operating properly but you still have no hot water, the gas supply may be obstructed. If that’s the case, this may mean it’s time to buy a new, more energy-efficient water heater. Contact an experienced plumbing specialist like Service Experts Heating, Air Conditioning & Plumbing to be sure.

3. The Pilot Light Is Out

The pilot light is vital for older gas water heaters to function effectively. If the light goes out, you won’t have any hot water. Newer water heaters have glow plugs or spark igniters, so seek advice from your owner’s manual to find out if your unit has a pilot light. If that’s the case, you may need to turn off the regulator and wait for the gas to dissipate before trying to relight it. Call a professional for assistance if you’re confused about how to relight the pilot.

4. Thermostat Malfunction

Your water heater thermostat must be set correctly to provide your home with adequate hot water. If you recently turned down the temperature to conserve energy while you were out of town, examine the thermostat to make sure it’s between 120 and 140 degrees F. As long as you’re looking at it, check for a tripped high-temperature cutoff switch, as this is a frequent reason for no hot water. If it turns out the thermostat is broken, buying a new one might be the best remedy.

5. Sediment Buildup

Over time, sediment can build up in the lower part of the water heater tank. This buildup creates a barrier between the heating element or burner and the water, contributing to inefficiency and could lead to no hot water. Sediment buildup is more frequent in homes with hard water, but it can occur anytime.

Regular maintenance, including flushing the tank at least annually, helps avoid this issue. If the problem has already happened, you may need professional help to clean or replace the tank. Be mindful of the clarity and quality of your hot water in order to detect sediment buildup before it becomes even more challenging to address.

6. Malfunctioning Electric Water Heater

Electric water heaters are reliable components in the plumbing world, but even they sometimes experience problems. If you notice there isn’t any hot water, examine the connections to the water heater and reset any tripped breakers at the electrical panel.

If the breakers appear normal, the heating elements may be the cause of your hot water issues. Water heaters usually have a life span of about 10 years, so if yours is getting older, it might be more cost-effective to replace the entire thing rather than repair the faulty elements.

7. Undersized Water Heater

If the tank is doesn’t have enough capacity to meet your household’s hot water demands, you may wind up running out of hot water. If you’re done dealing with lukewarm showers when you’re the last person to get ready every day, consider upgrading to a larger tank. You might also want to learn more about tankless water heaters, which heat water on demand for endless back-to-back showers.

No Hot Water? Contact Service Experts Heating, Air Conditioning & Plumbing

At Service Experts Heating, Air Conditioning & Plumbing, we strive to resolve your hot water issues fast, at a competitive price and with long-lasting results. With our Expert professionals, first-class customer service and reputation for excellence, you can rest assured we will go the extra mile to meet all your plumbing needs.

Don’t let a lack of hot water disrupt your life for even a minute longer! Reach out to Service Experts Heating, Air Conditioning & Plumbing and we’ll get the hot water flowing again. Call 866-397-3787 today to set up your appointment!

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