If for some reason gas is allowed to escape without being ignited, you can get an explosive situation. We'll assume you're ok with this, but you can opt-out if you wish. Find the most common problems that can cause a Ao Smith Water Heater not to work - and the parts & instructions to fix them. Rather, it … Try doing that to see if the heat level of the water is to your liking. If this is the case, you may notice a rotten egg smell around the water heater. It is an expensive repair, but it will be a lot more expensive if you hire someone to do it for you. This category only includes cookies that ensures basic functionalities and security features of the website. Direct Vent Furnaces. When they go bad the will not allow the gas valve to release any gas. Go to the article 'Gas Water Heater Thermocouple Issues' for information on this common repair. This article on gas hot water heater troubleshooting will help you to locate your problem and get it repaired quickly. Control-R … Replace and repair the parts of the water heater with caution. We hope you will keep coming back to this website whenever you need help with something that is broken in your home. This website uses cookies to improve your experience while you navigate through the website. The pressure relief valve very rarely leaks in the true sense of the word. It senses when the pilot light is on. This gas hot water heater troubleshooting exercise starts with the thermostat. If it is obvious which component is at fault (for example, if the pilot burner does not light at all), replace it. Commercial Water Heaters. Explosions can result from natural gas that is not burned. Natural gas is odorless. Go to the article 'Repairing a Leaking Hot Water Heater' to track down your problem. Copyright © Home Quicks & Buzzle.com, Inc. 'I smell gas', something you hear or say from time to time is not from smelling the gas at all. That depends a lot on where it is leaking and how much. This prevents your tank from leaking. (1) 'Water Heater Pilot Light Issues' - If the pilot light goes out, the water heater won't work. A clogged flue or vent could be the problem. A defective thermostat is also possible. If it needs to be replaced, see the article 'Replacing a Water Heater Pressure Relief Valve' for instructions. The main concern with the thermostat is getting the temperature set right. Sometimes, carbon deposits can build up on the pilot and eventually create a restriction. There are several possible problems you can be having with your gas hot water tank. The thermostat is part of the gas valve. The thermocouple is a sensor that tells the gas valve when to allow gas to flow to the burner. (adsbygoogle = window.adsbygoogle || []).push({}); We are in the whitewater of cost potential here. The first hurdle will be deciding what type of water heater to purchase. Depending on the location of the leak, this might be a big problem. If the pilot light lights and then shuts off it is not the gas valve. Check the pipes from the water heater. Installation costs can run from $200 to $1,600. The water will vent for two reasons, one is that the pressure in the tank is too high, this should be addressed as soon as possible. Just keep in mind that with the potential above you might get some serious selling when you try to get someone to fix your hot water heater. Like in the case of the ‘rotten eggs smell’, change the anode rods to ones made of zinc. Do not ignore early signs of a problem. The thermocouple provides a safety feature for a gas hot water tank. When pressure builds up inside your hot water tank, this valve releases. Try to find a match for your situation. After 3 hours there is no warm or hot water coming out of any of the faucets or showers. Click this link to get the good or not so good news. They will also lower the water heaters efficiency when it heats the water. On the other hand, some repairs are not that hard. See the article 'Natural Gas Safety Tips' for more information. Yes, you may only need a $20 part. WARNING!!! Gas water heaters need optimum supply of gas at all times. Get in touch with us and we'll talk... Fixing common problems in gas water heaters is actually quite easy. If some noise is coming from a tank-less heater, call a pro immediately. Take a look at the possible problems below. When the valve goes bad, it will have fail to the open posistion. This will cause the burner to operate poorly. Some repairs that result from gas hot water heater troubleshooting are fairly simple. Therefore the water heater gas valve has safety devices built in. Go to the article on 'Gas Water Heater Thermocouples' for information on this common repair. Turn Off Gas. You be the judge. Go to 'Gas Hot Water Heater Thermostats' for a discussion. There is a procedure that needs to be followed when making changes. Over time the minerals in the water will build up inside the tank and some of them can oxidize, thus causing a dark color and odor. Necessary cookies are absolutely essential for the website to function properly. High efficiency models will have a plastic vent that may go horizontally out of of the house. If so, get a plumber to properly separate them. You could be looking at an hour to change it and ten or fifteen dollars for the part. I turned it back on. A gas-related product known as mercaptan is added to… Natural gas can explode. Gas water heaters are a better option than electric water heaters, primarily because of their reduced usage cost. Follow the above link to get to an article that discusses the issues related to the pilot light. Heater works inefficiently. Due to the mechanical nature of gas water heaters, the symptoms are clearly evident even when they are not major issues. Remember there is a potential danger with the gas. The other less common problem would be the gas valve. Another problem is the size of the hot water tank. The thermocouple provides a safety feature for a gas hot water tank. At this point you will have to decide if you are up to the task of replacing the water heater yourself. The natural state of pure gas is colorless and produces no smells. For most tankless water heaters, the display with present an … See 'Venting a Gas Water Heater' for information on keeping your vent clear. Find out if you need to look through your papers for the warranty. Would you like to write for us? A defective valve will release when the pressure is still within safe limits. Gas valves are a fairly expensive part and are quite a bit of work to change. Read through that information before you proceed. Heater yourself out or wo n't work also use third-party cookies that ensures basic functionalities and features... Blocked in some way, restoring the flow of warm air is simply matter! 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