A water heater is among the most used home appliances. Whenever you turn on your shower or tap, you expect hot water to come out, and finding no hot water on a cold day can be very frustrating for any homeowner. 

However, if you’re facing a hot water problem, there’s more to worry about than cold showers. There may be a gas leak or energy efficiency issue, or any other problem that you should troubleshoot as early as possible. Getting familiar with the possible reasons can help you detect the problem fast and get your gas water heater repair. Here are some of the common reasons why your hot water is not working. 

1. Leaking Tank

In order to supply hot water to your house, there has to be water in the tank. A leaking tank is one of the most common problems of no hot water problem. The leaks can be at the bottom of the water tank or on the top of the water heater system. For that, you can check the in-line valve that is located at the top of the water tank. The purpose of this valve is to activate and deactivate the supply of water. Secure the nuts holding the in-line valve. If the water leakage becomes more severe upon tightening, then you need to install a new in-line valve. 

2. Gas Leakage

Gas leakage from the gas water heater is a very dangerous problem that should never be left unattended. It can put the occupant in great danger. If you suspect a gas leakage, you should call the gas company or any professional near you immediately because a gas leakage problem should not be self-handled. So, it’s recommended to let the professional inspect and handle the situation. 

3. Damaged Pressure Relief Valve

All the natural gas water heaters are equipped with a pressure relief valve that is engineered to discharge the excessive pressure from the water heater tank when it becomes very hot. A damaged pressure relief valve causes no heating water problem, and it requires gas water heater repair. However, if you troubleshoot this problem, you can order a new relief valve and replace it. The replacement process is not difficult, and you can do it by calling a plumber. 

3. Gas Valve Failure

If you’ve natural gas water heater at your home yet there is no hot water, the reason can be the gas supply line. Once you’ve checked the gas leakage and you’re sure that there are no gas leakages, then you should inspect the gas valve. First, check if the gas is on and coming through the pipe. In case the gas valve is fine, then you should check the pilot light. Try to light the pilot several times, and if you troubleshoot a problem, that means there is a gas supply failure. 

4. Malfunctioning Thermostat

The ideal thermostat setting is between 122 to 140 degrees Fahrenheit. However, if there is still no hot water or too hot water, you should check the upper thermostat. Also, there is a possibility that your upper thermostat is busted. If you troubleshoot that, replace it. The absence of regular maintenance can cause an issue like this. 

5. Low Water Pressure

Low water pressure is not entirely related to gas water heater repair. However, if you’re passing this issue, you should check the pipes connected to the water heater and to the kitchen or bathroom sinks. This issue can be resolved easily by connecting a new ¾ inch water line to your water heater. Also, if there are magnesium and calcium deposits in your water pipe, it can cause low water pressure. For cleaning that, you may require professional help. 

6. Water Heater Tank Size

If you’ve started running out of hot water more often, one possible reason for that can be the small tank size. In order to provide you hot water, there must be enough water in the water heater tank. This is a very common issue in growing families. So, to resolve that, you should upgrade to a larger water heater tank. We recommended getting a gas water heater for large families as an electric heater takes more time to heat the water as compared to the natural gas water heater. 

7. Discolored Water

If you notice any discolored water coming through a shower, that indicates deterioration in the water tank, and you need a gas water heater repair for that. This issue is solvable if caught in the early stages. All you need to do is call a water heater expert and get your water heater tank inspected and replace the anode rod in your system.

8. Weather Problem

The outside temperature also has a great impact on your water heating and its efficiency. If you live in a region with both summer and winter weather. You can notice that water heater take more time to heat the water in winters and performance of water heater can be reduced in cold weather which is normal. 

9. Tool and Material Required

The majority of the gas water heater repair can be performed without any professional help. You can do the replacements all by yourself. However, you’ll require some tools for that. 

  • Screwdriver
  • Torch
  • Safety glasses
  • Plumbing tape
  • Pipe cutter
  • Wrench

Doing work by yourself is fun, but it’s not possible in all cases. If the problem is severe, you should call the licensed water heater professional or contractor near you. Getting a professional also is a great way to avoid stress and have complete peace of mind. 

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