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What Is The Difference Between A Gas & Electric Water Heater?

The main difference between a gas and an electric water heater is in the way they are powered. Gas water heaters use natural gas that is piped into the home, while electric water heaters use electricity to generate heat. In terms of efficiency, both types of water heaters can be highly efficient when installed properly and used correctly. However, gas water heaters tend to have lower operating costs and shorter recovery times than electric water heaters. Additionally, gas water heaters typically require less maintenance than electric water heaters.

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Common Gas Water Heater Problems

Even with the best maintencne, water heaters can still have problems. If you notice any problems with your water heater, don’t hesitate to give us a call at Water Heater Wiz. We will send someone out ASAP to diagnose and repair the issue as quickly as possible to ensure you aren’t without hot water. Here are some common problems you may experience with your gas water heater: 

Pilot Light Issues

If the pilot light is not functioning correctly, it can cause problems with heating water. This could be caused by blockages in the gas line or a faulty thermocouple.

Sediment Buildup

Over time, sediment can build up in the tank and cause problems with efficiency and operation.


Corrosion can occur in the tank due to high levels of acidity or improper pH balance in the water. This can affect the tank’s performance and even cause leaks.

Leaking Pressure Valves

Pressure valves can become loose over time, causing them to leak and reduce efficiency.

Malfunctioning Thermostat

If the thermostat is not functioning correctly, it can cause problems with the water temperature.


Corrosion can occur in the tank due to high levels of acidity or improper pH balance in the water. This can affect the tank’s performance and even cause leaks.

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How Long Do Gas Water Heaters Last?

The average lifespan of a gas-powered water heater ranges from 8 to 12 years, depending on the make and model.

Regular maintenance is key to ensuring optimal performance and longevity of your gas water heater. However, factors such as usage frequency, localized hard water conditions, and quality of installation can also have an impact on the lifetime of a gas water heater. Additionally, some older models may not comply with current safety regulations and should be replaced if they’re more than 10 to 15 years old.

To ensure that your gas water heater is functioning properly and providing you with ample hot water, it’s important to have it inspected regularly. Common signs of a malfunctioning water heater include strange noises from the tank, decreased pressure or temperature from the hot water tap, and discolored or smelly water. If you experience any of these issues, contact a professional plumber to help diagnose and repair the problem.

Preventative Care: Gas Water Heater Maintenance

Maintaining your gas water heater is essential in order to ensure it works efficiently and safely over its lifetime. Scheduling regular maintenance services should include flushing out any sediment buildup on the bottom of the tank, checking gas line connections, and adjusting any temperature or pressure settings. By regularly inspecting your water heater, you can detect small problems before they cause more costly repairs and result in unexpected disruptions of the hot water supply. Additionally, by addressing any small issues which may arise during routine maintenance, you can extend the life expectancy of your system.

Repair or replace? How Often Should You Replace A Water Heater?

Generally, a gas water heater should be replaced every 8 to 12 years. This is dependent on a variety of things, such as upkeep and maintenance, the quality of essential components, and the climate/environment where it’s installed.

Before replacing, it’s wise to first have it checked by a certified professional or licensed plumber to determine if a repair will work instead for your specific case. If you opt for a repair instead of a replacement, make sure that the technician is knowledgeable about all the necessary safety practices for repairs on gas water heaters.

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If you have any questions about your water heater, call us. We’re here for all your gas water heater repair, replacement, and maintenance needs.
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