7 Common Causes of No Hot Water

If you’re reading this, it’s probably because you just had an icy cold shower or turned on the faucet and there wasn't any hot water. It’s a frustrating scenario, but don’t fret. Learning the most frequent reasons your home has 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 issues so you can get back to getting the hot showers you deserve.

1. Gas Leak

Do you have a gas water heater? It could very well not be generating hot water because of a gas line leak. If you notice a suspicious rotten egg aroma, assume you have a leak and follow these steps:

  • Shut off the gas valves at your house.
  • Don’t switch any electrical appliances on or off.
  • Avoid smoking or using a lit match.
  • Open windows and doors to air out the home and evacuate the building.
  • Call 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. Begin by evaluating the gas inlet valve and gas supply tube for leaks. If these both seem secure, inspect the gas valve to make sure it’s in the right position and the gas is turned on. If the pilot light is performing the way it should but you still do not have hot water, the gas supply may be obstructed. Regrettably, this may mean it’s time to purchase a new, more energy-efficient water heater. Contact an experienced plumbing specialist like Jack Nelson Service Experts to be sure.

3. The Pilot Light Is Out

The pilot light is essential for older gas water heaters to work effectively. If the light isn't lit, 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 see 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 you try to relight it. Contact a professional for help if you’re uncertain how to relight the pilot.

4. Thermostat Malfunction

Your water heater thermostat must be set accurately to furnish your home with adequate hot water. If you recently dialed down the temperature to use less 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 very common reason for a lack of hot water. If it turns out the thermostat is damaged, replacing it could be the best option.

5. Sediment Buildup

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

Regular maintenance, such as flushing the tank at least once a year, helps avoid this issue. If the problem has already occurred, you could potentially need professional assistance to clean or replace the tank. Monitor the clarity and quality of your hot water so you can catch sediment buildup before it becomes even more challenging to address.

6. Faulty Electric Water Heater

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

If the breakers haven’t tripped, the heating elements could be to blame. Water heaters usually last 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 components.

7. Undersized Water Heater

If the tank is too small for your household’s hot water needs, you may wind up running out of hot water. If you’re sick and tired of putting up with not very hot showers when you’re the last person to get ready each morning, consider upgrading to a larger tank. You might also ask an Expert for more information about tankless water heaters, which heat water on demand for unlimited back-to-back showers.

No Hot Water? Contact Jack Nelson Service Experts

At Jack Nelson Service Experts, we know it's important to solve your hot water issues fast, at a fair price and with long-lasting results. With our Expert technicians, dedicated customer service and reputation for excellent craftsmanship, you can rest assured we will go the extra mile to meet all your plumbing needs.

Don’t let a lack of hot water interrupt your life a moment longer! Get in touch with Jack Nelson Service Experts and we’ll get the hot water flowing again. Call 918-212-8927 today to arrange an appointment!

chat now widget box