Propane and natural gas have a foul odor that reminds some people of rotting eggs or sulfur. WebNavien water heater problem horrendous noise bethonthemove 11 subscribers Subscribe 12K views 10 years ago Horrendous sound coming from my tankless hot water heater. It will be discussed in this post what indicators you should look for to determine whether or not your appliance is at risk of exploding in the near future. Disconnect the hose from the drainage valve. Voila! Solving this problem will need further work and expertise. While its true that every Navien is different, there are some basic guidelines that can help you determine whether or not a noise is something to be concerned about. These sorts of sounds can also be caused by the heating and cooling of water in the pipes. Check to see that all of the valves are completely open. Sediment Build-up. Even though those noises dont always indicate a problem with the heater, you should determine the cause of the sound and address any underlying issues. To your advantage, you may complete these maintenance tasks on your own, saving you the cost of hiring a professional plumber. This valve may be located near your water heater, or it may be closer to faucets or an appliance in your house. You should immediately contact a plumbing professional if your water heater is making rumbling, popping, or cracking noises. When a sufficient amount of sediment builds in your water heater tank, it may react with the heating element, resulting in the little mini-explosions that you are now experiencing. Sediment Build-up. WebDecember 2017 Good Afternoon, We have a new Navien NCB-240 in our new construction home. Heating water causes it to expand. We want you to understand that carbon monoxide leaks are not something that happens all the time. It is also possible to employ spacers to secure it in place. Leaks Solution: 9. It can be made up of sand, small stones, and other small particles. It worked perfectly fine for several months, but now started making loud vibrating sounds on start up, and - much more bothering - some 5-10 minutes after I turn off hot water. Clean parts and ineffective systems are examples of such things. Make certain that the dirt in the tank is removed to avoid this problem. During periods when the element is turned off, the caked sediments trap water beneath them, and the water warms until it crackles or pops as it is driven through the deposits. So, what is the root source of this problem? Water expands as it heats up and flows through the debris as it is heated by the water heater. Banging/rumbling: Banging and rumbling are two of the most prevalent sounds made by a running water heater. In March 2016 we had to replace the ignition switch. I checked the inlet pipe before the heater and there is normal water pressure coming in. It sounds like a loud drip or knocking/tap, one tap every 3 sec. By manually elevating the TRP valve, you can determine whether or not it is in working order. Water Hammering Solution: 5. First, it could be that the water heater is over-pressurized. Residue may take on a variety of shapes and sizes, and this solid particle settles to the bottom of the tank. Once your tankless water heater has finished heating water, its generally not very loud. Essentially, the tank is used to collect calcium and lime. A water heaters element tubes become clogged with sediment as time goes on. The accumulation of sediment is a typical cause of booming and slamming noises. I checked the inlet pipe before the heater and there is normal water pressure coming in. If you notice more noise, look for debris caused by hard water in the pipes. If you hear a sizzling sound coming from this device, immediately turn off the electricity and water. After a period of time, this results in a less powerful water heater tank.Finally, there will be leaks in the tank that may cause troubles in your home.It has the potential to cause the container to rupture.Any of these problems might result in thousands of dollars in building damages if they are not addressed immediately.So, what can you do to keep dirt from accumulating in your tank? When this occurs, you will hear a rumbling sound, which is especially noticeable when the water is moving through the ground. Some water heaters create buzzing noises when they are operating. Once youve determined the source of the noise, you may go on to determining the best course of action to take to decrease or eliminate the problem. Noises produced as a result of limited water flow include: Make certain that the input and exit valves are completely open at all times. If you have a closed water heater system, you need install an expansion tank. First, it could be that the water heater is over-pressurized. A check valve installed in the water line will usually solve the problem since it will prevent other plumbing fixtures from interfering with the flow of water to the water heater in most circumstances. Youll avoid having your unit explode because of this. ERNIEGRAVES | Process Measurement & Control. Siphoning Water Solution: 3. Tankless water heating systems are a great investment for your homes water heating needs. Noises caused by oscillations in water pressure: Try to locate the source of the noise and tighten any slack straps that are keeping your pipes in place. You dont want to have water interfere with the electrical components of your water heater even if it isnt driven by electricity. After being heated by an electric source, the water in the tank begins to gather minerals that are present in it. As we discussed before in our article Reasons Why Your Water Heater Is Making Noise, it is important to note that leaks in water heaters can also generate noises. Once youve determined the source of the noise, you may go on to determining the best course of action to take to decrease or eliminate the problem. In March 2016 we had to replace the ignition switch. As soon as the water is heated, it begins to bubble and the lid begins to move. It sounds awful and not like any other recirculating pump I've ever heard. If your water heater is making cracking and rumbling noises, it is necessary to flush out the sediment from the tank of the water heater. We can help. Sediment accumulation: When you have sediment buildup in your systems, you may generally hear cracking or hissing sounds. Once youve determined the source of the noise, you may go on to determining the best course of action to take to decrease or eliminate the problem. Seen this is an old post, did you ever get a diagnosis? If your appliance is not properly maintained, it has the potential to cause an explosive reaction. Issues with the Navien Flow Sensor. This implies that you will need to thoroughly clean out your tank in order to eliminate the limescale buildup that has formed. If you have hard water in your house, you should invest in a water conditioning system to ensure that your appliances continue to operate at peak efficiency. Various minerals, such as magnesium and calcium carbonate, get trapped in this area when water flows towards your home. It sounds almost like cavitation or a magnet rubbing against the casing as the recirculating pump winds down. A decibel meter can be used to find out how loud your tankless water heater actually is. The hot pipe may feel warmer than the cold pipe, but if no hot water is being used, it shouldn't feel hot to the touch. If you use too many hot water applications at the same time, you may encounter a system overload, which is dependent on the capacity of your unit. This is frequently caused by a valve that has been opened only partially. Remove the garden hose from the drain and close the drain. If you hear a sizzling sound coming from your heater, this indicates that water is not flowing freely into its tank. Take a look at the water thats gushing out of the end of the garden hose. Corrosion can cause cracks and fractures in the water tanks walls and bottom. Just replace the dip tube with a new one, and you should be good to go. Then, verify sure your hot water is working properly by turning it on. The sound is completely natural and does not indicate that anything is amiss. The most common cause of knocking or banging noise is sediment buildup. A decibel meter can be used to find out how loud your tankless water heater actually is. Loose Heat Exchanger Solution: 7. even if it isnt, it still requires energy to operate. The deposits have the potential to harm faucets and clog parts that regulate water flow. Their metallic flavor and odor are present as well as their presence. WebWe have an external Hot Noritz tankless water heater that was installed in May of 2008. It sounds awful and not like any other recirculating pump I've ever heard. Alternatively, the noise could be coming from the water pipes themselves, which could be due to a build-up of sediment or other debris. First, check to see if there is anything blocking the exhaust vent. In the event that you suffer many of these symptoms, you should leave your home immediately and get some fresh air. Your last actions consist primarily of undoing what youve just done: turn off the spigot and detach the hose from the faucet. Switch on the hot water faucet at the same sink. However, even if those noises do not necessarily indicate a problem with the heater, you should investigate the source of the noise and fix any underlying problems. The source of a bubbling noise coming from a water heater can be traced to garbage. Water heaters generally How Much Propane Does A Tankless Water Heater Use, Top 10 Best 80 Gallon Electric Water Heater (2022 Latest Price), Top 10 Best 20 Gallon Electric Water Heater For 2022 (Buying Guide), Best electric tankless water heater for rv, How Much Does a 50 Gallon Water Heater Weigh. Many households have the problem of a electric water heater generating noise. Other types of heaters, in addition to this particular model, are affected by this problem. If no hot water taps are open you shouldn't hear water moving through the pipe. When the correct conditions are met, such as when the dishwasher or toilet flushes, the water entering or exiting the tank will be immediately shut off. A banging noise. In any case, its important to have a professional take a look at your water heater to diagnose the problem and find a solution. Contractor's Assistant: Is your Navien water heater gas or electric? A lot of noise when the water is switched on might be caused by calcium deposits that have been left behind owing to hard water in your location, according to the manufacturer. This is something you should do once or twice a year, so why not do it around Halloween? This means that you need to get your leaky appliance repaired or replaced immediately. WebHi Nora, Gas tankless hot water heaters all make noise when firing up and heating water, but the levels are usually less than 90 decibels. If this occurs, you should either minimize the number of programs running at the same time or upgrade to a more powerful machine. It can result in a high-pitched popping sound every time you run the water heater. 4. This can be fixed by adjusting the pressure relief valve. Over time, sediment can build up in the bottom of the tank, and when it gets hot, it can expand and cause the tank to make a loud banging noise. Being aware of these indications will allow you to take the required actions as soon as you see them, averting any potentially disastrous repercussions. Finally, its possible that the noise is coming from the gas line that supplies the water heater, which could be due to a problem with the gas pressure. This means that, at no additional cost to you, we may gain a small profit on purchases made via our links. It is unfortunate that carbon monoxide may cause mortality as well as bodily harm and disease. Furthermore, as more silt accumulates, the volume of the noise will increase. Water heaters, on the other hand, provide a number of threats and concerns, including flooding and leaks, with the most hazardous being the possibility of an explosion. Similarly to banging, popping is frequently a symptom that there is too much sediment in your water heater tank and that it needs to be cleaned up.