Its possible that youre hearing the alkali in your water reacting with the heating element in particular. Problem with Noise from Tankless Hot Water Heater Typically, heat traps or check valves that have been added to encourage water flow in the appropriate direction may make a tapping or ticking sound while they operate. Navien Tankless Water Heater Do not advertise or try to compare pricing. Navien Tankless Water Heater Making Loud Make sure to clean up after yourself using a wire brush. Fortunately, none of these elements may be harmful to your health. Water Heater Making Noises X-HazMatX7-X 1 yr. ago. Navien tankless heater Tankless Water Heater Making Noises? Here 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. I checked the inlet pipe before the heater and there is normal water pressure coming in. Tankless water heaters will all make some noise when starting up and heating water, but the noise levels are usually reasonable and not cause for concern. 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. Some of the noises, on the other hand, might indicate a problem. A decibel meter is recommended to find out just how loud your water heater is. Various minerals, such as magnesium and calcium carbonate, get trapped in this area when water flows towards your home. For example, the sound produced by an electric tankless water heater is distinct. Fortunately, cleaning it is straightforward. Tankless water heaters perform best when the temperature is 120F (48.9C). Water Heater To lessen the amount of noise produced by a tankless water heater, it is common practice to cleanse the system with vinegar, tighten any loose parts, or ensure that the intake and exit valves are completely opened. For the last several months, whenever you turn on the hot water after it's not been used for a while I hear this loud "whoop" kind of noise outside. After that, go ahead and turn off the faucet (the one you had turned on to prevent pressure in the water line). Because the problem has nothing to do with your water heater, it is not required to replace your water heater in order to resolve it. Tankless water heaters will all make some noise when starting up and heating water, but the noise levels are usually reasonable and not cause for concern. WebWe have an external Hot Noritz tankless water heater that was installed in May of 2008. The majority of typical water heaters contain a storage tank that holds between 30 and 50 gallons of water (113 liters to 189 liters). To your advantage, you may complete these maintenance tasks on your own, saving you the cost of hiring a professional plumber. Read my tutorial on how to reduce the noise produced by standard water heaters. Reduce Noise From a Tankless Water Heater Flushing the tank with a deliming solution once a year will avoid significant buildup in the tank and will also keep the tank and surrounding parts cleaned. It is loud enough to hear throughout our open plan house, and on all floors. For gas-powered vehicles, there is an additional step: shutting off the gas valve. Navien water heater problem horrendous noise Determine the source of the noise by paying close attention to it. If your tankless water heater is making noise, it is usually due to one of five factors, or a combination of them. If the water pressure is too high, it can cause the navien tankless water heater to overheat and make a loud banging noise. This is a difficult undertaking that may be irritating.You may use this method to figure out what is causing your water heater to be noisy.As a result, before you spend hours searching the internet for Reasons Why Your Water Heater Is Making Noise, consider the following likely explanations and the noises you will hear. We use it for hot water and for hydronic heating. A decibel meter is recommended to find out just how loud your water heater is. Whichever remedial action you choose will be determined by the source of the noise. Navien combi Despite the fact that it is not a critical issue, if you do not address it immediately, you may suffer consequences later on. The water supply to your home should be shut off immediately if the leak is urgent. It is possible that a high pitched noise emanating from your water heater is caused by high incoming water pressure. Flush out your device or replace the components or tank to put an end to the noises. They occur as a result of negligence, faulty installation and handling, as well as a lack of air in your HVAC unit. If your tankless water heater is making noise, it is usually due to one of five factors, or a combination of them. Fortunately, the situation is not likely to be as severe as it appears at first glance. Too much pressure if the insides of your water heater are under high pressure, you might also experience loud banging noises. Even while the calcium and lime in the water are unlikely to be visible, that does not rule out their presence! It sounds almost like cavitation or a magnet rubbing against the casing as the recirculating pump winds down. Water Heater If your Navien tankless water heater is making a loud banging noise, it could be due to a few different reasons. Tankless Water Heater Making Mineral deposits travel throughout the appliance and contaminate the hot water that comes out of your faucet as a result. This means that you need to get your leaky appliance repaired or replaced immediately. A strange groaning sound coming from the pipes or the tankless water heater when you flush the toilet might indicate that this is the source of your problem. You should also check the water pressure. This is not the best circumstance for the selling of your residence. In severe circumstances, the sediment accumulation inside electric tankless water heating systems might completely engulf the heating element and cause it to fail. Installing a water softener system may be necessary. As long as you follow up with this periodic maintenance, you will never hear the sound of a bubbling brew. If you dont feel like going through all of these processes on your own, you may hire H.A. Due to the possibility of lasting damage to your system depending on the specific parts that have been damaged, it is critical that you precisely identify any loose pieces. Water Heater Making a Banging Noise When the noise occurs when there is no hot water being used, it's likely there is a vacuum that's siphoning water away from the unit and causing loud noise and vibration. It can result in a high-pitched popping sound every time you run the water heater. Another sign that the heater requires repair is the production of a rumbling sound, which is caused by sediments being stirred up by the water movement within the tank. To clean the heat exchanger, youll need to contact a professional. WebDecember 2017 Good Afternoon, We have a new Navien NCB-240 in our new construction home. A water heaters sound can be very benign, and it may not necessitate any action or attention on your side. Heating water causes it to expand. Water Heater Making a Knocking Noise: Let The electric element (or the burner in the case of a gas heater) is activated, and the trapped water begins to be heated. Water Heater You may also have a look at the valve that regulates the flow of water into the storage tank. A whooshing noise. Open a hot water spigot someplace in the home (the system requires air to be able to fill the area as the water is pumped out), Continue to open the drain valve until all of the water has been drained. A humming noise. 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 happens, it can cause the water heater to make a loud banging noise. Call (901) 290-1110 right now if you want to learn more about your water heater or to arrange servicing. A decibel meter can be used to find out how loud your tankless water heater actually is. Navien combi 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. WebWe have an external Hot Noritz tankless water heater that was installed in May of 2008. Are Tankless Water Heaters Loud? When water droplets develop in the tank, they have the potential to fall onto the units burner. The tankless system may have an internal check valve, so when the small water heater turns on to heat water, or hot water gets to it, you may end up with warmer water once you stop using it while the tank recovers. Create an account to follow your favorite communities and start taking part in conversations. Crackling and hissing are the most typical noises heard in water heaters that are powered by electricity, according to the manufacturer. Tankless water heating systems are a great investment for your homes water heating needs. 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. Furthermore, the water heater should never be used at temperatures higher than 212F (100C). Theres a strong likelihood that another source is sucking water from the pipe and generating a vacuum if the noise happens while hot water isnt being utilized. Tankless Water Heater FAQs It sounds like a loud drip or knocking/tap, one tap every 3 sec. Tankless Water Heater Making Noises? Here Regular cleaning and maintenance of your water heater will eliminate the majority of the noises that are associated with it. Water is driven through a tiny aperture, resulting in the production of screaming noises. The 5th of February in the year 2021 When your water heater is operating, it is not uncommon for it to create a certain amount of noise. 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. You will be advised by a Clever Partner Agent as to which repairs are worthwhile. My navien tankless water heaters are making a loud rumbling noise. 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. After detailing the three procedures necessary to lessen the noise produced by a tankless water heater, this article will go on to address remedies to other frequent problems related with these appliances. It sounds like a loud drip or knocking/tap, one tap every 3 sec. This is significant since it has the potential to cut wasted heat by around 60%. Noises produced as a result of limited water flow include: Make certain that the input and exit valves are completely open at all times. Flushing your system regularly is important, especially in areas with hard water. It will be necessary to clean up the residue and replace the present anode with a magnesium-based type in the future. Noises induced by silt accumulation include: Sediment does not dissipate on its own own. Position your ear next to the hot water outlet pipe. Residue may take on a variety of shapes and sizes, and this solid particle settles to the bottom of the tank. WebCheck the temperature of the hot water outlet pipe on the water heater. If youre wondering what size breaker to use for your water heater, A 50 gallon water heater weighs approximately 180 lbs. If your device is experiencing this issue, it will emit a sizzling sound, which is most noticeable when you switch off the burner. The first thing to do is check the temperature and pressure relief valve that is usually located on the side of the water tank. It sounds like a loud drip or knocking/tap, one tap every 3 sec. That is why it is critical that you maintain the condition. How To Install A Power Vent Gas Water Heater? Heating water causes it to expand. Parts that are filthy and systems that are inefficient are examples of this. This is usually the result of sediment buildup in the heater, and can be easily fixed by flushing the unit. It is extremely harmful, and only a specialized instrument can identify it. My navien tankless water heaters are making Water flow has been restricted: Screeching sounds indicate that the water flow in your unit has been restricted. WebCheck the temperature of the hot water outlet pipe on the water heater. If you hear a sizzling sound coming from this device, immediately turn off the electricity and water. Seen this is an old post, did you ever get a diagnosis? Go to the running faucet and turn it off. However, if you ever hear a noise that doesnt fit into any of these categories, or if a noise is unusually loud, its always best to err on the side of caution and contact a qualified technician for assistance. Hopefully, the bubbling noise is no longer present! 3. Close the cold water valve and close the hot water valve. Exhaust Vent Knocking Noise - Navien NPE-240A Tankless Even a tankless gas water heater is susceptible to the same problem. How Often Should You Change Refrigerator Water Filter? Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. Go to the temperature and pressure relief valves and turn them on. Water Heater As you can see, removing the sediment accumulation is not a difficult task that you can complete on your own. This valve may be located near your water heater, or it may be closer to faucets or an appliance in your house. 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. The source of a bubbling noise coming from a water heater can be traced to garbage. Obstruction In Pipes Solution: 10. The very first thing youll want to do is figure out where the noise is coming from. When using a gas water heater, you may accomplish this by turning the thermostat to on, or by flipping the breaker box switch to on when using an electric water heater. Obstruction In Pipes Solution: 10. Id call tech support. If the water pressure is too high, it could be causing the banging noise. You may need to have a plumber evaluate your water pipes, as well as the temperature and pressure relief valve, if the sound continues to be heard. Water pounding is a term used by plumbers to describe this process. Please keep in mind that this content may contain affiliate links. Similarly, if the system is powered by electricity, check to see that the device has not been mistakenly disconnected. Position your ear next to the hot water outlet pipe. Sounds like a broken impeller. I checked the inlet pipe before the heater and there is normal water pressure coming in. Find out more about the various ways a Partner Agent may assist you in selling your house. Leaving the interior hot water spigot open until the water starts to flow will allow the trapped air to escape. If you have a Navien tankless water heater and youre hearing a loud banging noise, dont panic. Flushing your system regularly is important, especially in areas with hard water. Furthermore, consumers may find the loudness to be distracting.The solution is even more straightforward than flushing the tank.Install a water hammer arrestor between the equipment that is causing the problem and the water heater to resolve the problem. A water heaters element tubes become clogged with sediment as time goes on. As a result, you will need to purchase a new water heater. If flushing out the sediment does not resolve the issue, it is likely that your device is experiencing a significant malfunction. Loose Heat Exchanger Solution: 7. In addition to draining out your tank, you may want to consider replacing the anode rod in your heater as well (the component that reduces sediment and bacteria build-up) If you hear this noise, installing a water filtration system, particularly if you live in a region with extremely hard water, may also be beneficial in reducing rust build-up. Lets take a look at some of the issues that might arise with a Navien tankless water heater, as well as the remedies that can be used to fix them. Flush the water heater: at least once or twice a year, flush out your water heater. In any case, its important to have a professional take a look at your water heater to diagnose the problem and find a solution. Switch on the hot water faucet at the same sink. The following are the signs and symptoms of each problem: Parts that arent attached: Humming or rattling noises coming from your tankless water heater are typically indicative of a problem with one or more of the systems components. Follow the sound until it reaches its loudest peak. Water pressure changes generate a ticking sound, which is the most prevalent type of noise caused by fluctuating water pressure. Every two months, inspect and replace the TRP valve, which should be replaced every three years. Tankless Water Heater If your Navien tankless water heater is making a loud banging noise, it could be caused by a few different things. What happens if your water heater doesnt bang, but instead screams or screeches really loudly? 2. Though every rule has an exception, the following are the most typical noises you may hear from your water heater, as well as the most prevalent water heater problems that are related with them: If maintenance does not resolve the issue, the source of the noises could be something more complex.When the water is heated over 125 degrees, metal pipes can generate comparable noises to those made by plastic pipes. Exhaust Vent Knocking Noise - Navien NPE-240A Tankless A water hammer arrestor may be installed by a plumber to fix the problem. Water Hammering Solution: 5. The valve should be able to open on its own when the situation calls for it. You will thus want the services of a professional plumber in order to find a satisfactory solution. To flush all sediment out of the tank, you have to empty it. Additionally, you might want to try adding spacers between the pipes now, before the noise becomes a problem in the future. Check the filter. jdidier5 2 yr. ago. The tankless system may have an internal check valve, so when the small water heater turns on to heat water, or hot water gets to it, you may end up with warmer water once you stop using it while the tank recovers. Are Tankless Water Heaters Loud Sounds produced by vibrations: Instead of waiting until the sound becomes an issue, you should consider putting a mat or acoustic insulation while installing your water heating system. Navien Tankless Water Heater First, it could be that the water heater is over-pressurized. Navien 240A Revving Noise 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. How To Vent A Water Heater Through A Wall? This can be caused by a dishwasher or toilet bowl overflowing, as well as by a water pump that does not have a collection tank. This is frequently caused by a valve that has been opened only partially. This means that, at no additional cost to you, we may gain a small profit on purchases made via our links. Another common cause of a loud banging noise from a Navien tankless water heater is a faulty dip tube. It is possible that a water softening system will be required. Sometimes the whining starts right away. How old is it? Typically, the source of water or steam will be a water heater or a pipe leading to one. 2. First, it could be that the water heater is over-pressurized. Navien 240A Revving Noise WebNavien water heater problem horrendous noise bethonthemove 11 subscribers Subscribe 12K views 10 years ago Horrendous sound coming from my tankless hot water heater. How To Reset A State Select Water Heater? Hook up a water hose to the faucet on your hot water heater before turning the spigot and allowing the water drain out of the hose (ideally to a safe location outside)! Installing a water softener system may be necessary. Finally, it is possible that the water heater is simply old and needs to be replaced. Noises produced as a result of limited water flow include: Double-check to see that the water intake and exit valves are both completely opened before proceeding. Is Water from a Tankless Hot Water Heater Hot Enough? Many water heaters are equipped with heat traps or check valves, which are inserted in the pipes that run above the heater. If you have a closed water heater system, you need install an expansion tank. The banging or popping noise you hear could be the result of air bubbles escaping from beneath the sediment and rising up to the top of the tank. If the noise is happening at times of low use, like nighttime, its probably time to take a closer look. Then quiet. That was a lot of steps within a step, but your water heater is now returned to the state in which you found it originally.Everything is now ready except for the final step, which is to switch it on. Navien Tankless Water Heater Save my name, email, and website in this browser for the next time I comment. and continues for about 1 minute. In the event that you suffer many of these symptoms, you should leave your home immediately and get some fresh air. Gibsons Heating & Plumbing, Inc. will assist you with any and all of your hot water requirements. We use it for hot water and for hydronic heating. Because your water heater produces a large amount of hot water on a daily basis, it need regular maintenance to guarantee that it is in good working order. These are usually nothing to worry about, and are simply the sound of the burner igniting. Water entering or exiting the tank can be caused to move if the water is shut off quickly, causing the pipes to knock against studs or the interior of walls. Noises produced by sediment buildup: You should clean your water heating system once a year to avoid these problems from occurring. The first thing to do is check the temperature and pressure relief valve that is usually located on the side of the water tank. How old is it? This can happen if the water heater is set to a higher temperature than the incoming water pressure can handle.