It can be made up of sand, small stones, and other small particles. Popping or crackling noises. It is extremely harmful, and only a specialized instrument can identify it. This mechanism allows water to be released from the storage tank, which is particularly useful when there is excessive pressure. Specifically, this is more prevalent on older units, and the noise level increases as the deposit layer becomes thicker. Sometimes the whining starts right away. Voila! Contractor's Assistant: Is your Navien water heater gas or electric? The debris, on the other hand, might cause the tank to overheat. When sediments build on the bottom of the tank, it traps the hot water underneath. If your water heater is making noises that sound like water is running, you should look for leaks. If no hot water taps are open you shouldn't hear water moving through the pipe. Some of the noises, on the other hand, might indicate a problem. 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. 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. The presence of a vacuum, even when no hot water is being utilized, indicates the presence of a vacuum that is sucking water out from the unit, resulting in the creation of loud noises and vibration. 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. Check to see that all of the valves are completely open. This valve may be located near your water heater, or it may be closer to faucets or an appliance in your house. Mineral Build-Up Solution: 2. A water hammer arrestor may be installed by a plumber to fix the problem. Navien 240A Revving Noise WebNavien Inc. (Headquarters) 20 Goodyear Irvine, California 92618 Phone: 800-519-8794, 949-420-0430 Navien America Inc. (Branch Office) 325 Route 70 East The presence of musty-smelling water indicates that your equipment is malfunctioning. Corrosion can cause cracks and fractures in the water tanks walls and bottom. Similarly, if the system is powered by electricity, check to see that the device has not been mistakenly disconnected. How to Choose a Hot Water Heater (article), The Benefits of Energy-Efficient Tankless Water Heaters in Your Home (video), Is Water from a Tankless Hot Water Heater Hot Enough? Call (901) 290-1110 right now if you want to learn more about your water heater or to arrange servicing. Spacers between the pipes and the walls can be used to quiet any noises that may be generated. Tankless Water Heater Making Noises? Here Heres a quick rundown of some of the most common noises you might hear from your Navien tankless water heater, and what they typically mean: 1. Disconnect the hose from the drainage valve. This is also normal, and simply indicates that the water is being drawn through the heater and being heated up. WebThe sound is triggered only AFTER there is a short burst of warm water at any faucet, and only if there has been no faucet use for 20-30min or longer. It is critical for you to understand that the strange noises emanating from your appliance are worrying and indicate that your appliance is on the verge of cracking, leaking, or explode.The most cost-effective alternative is to replace your water heater tank before it produces a costly leak. Remove the element and clean it or replace it. If you have a gas-powered device and you notice a rotten egg or sulfur smell around the outside of your unit, you most likely have a gas leak in your home or business. Almost certainly, there is a valve someplace that is only half closed. Identify the location where a pool of water has formed if you cannot locate the leaky heater. A decibel meter is recommended to find out just how loud your water heater is. If your tankless water heater is making noise, it is usually due to one of five factors, or a combination of them. To clean the heat exchanger, youll need to contact a professional. Flush out your device or replace the components or tank to put an end to the noises. and continues for about 1 minute. This can happen if the water heater is set to a higher temperature than the incoming water pressure can handle. The first thing to do is check the temperature and pressure relief valve that is usually located on the side of the water tank. To flush all sediment out of the tank, you have to empty it. Noises caused by loose parts: Check your tankless water heating system on a regular basis for any parts that have become loose over time. The sound is completely natural and does not indicate that anything is amiss. Water is trapped behind the sediment layer, causing it to become stagnant. Its possible that youre hearing the alkali in your water reacting with the heating element in particular. Additionally, in severe circumstances, popping sounds can be heard when the sediment begins to break apart as a result of the heat. If the system continues to overheat, you should contact a certified plumber who will inspect the system for mechanical malfunctions. Therefore, make sure that your thermostat is set to the proper temperature range. Problem with Noise from Tankless Hot Water Heater Its very probable that youre hearing a ticking noise coming from your water heater due of a rapid drop in water pressure. It sounds awful and not like any other recirculating pump I've ever heard. 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. What happens if your water heater doesnt bang, but instead screams or screeches really loudly? It sounds like a loud drip or knocking/tap, one tap every 3 sec. After doing some research on this keyword, it seems that the most likely cause of a navien tankless water heater making a loud banging noise is that the water pressure is too high. I've bled the system top and bottom and even removed the return line then switched to internal pump yet it still makes this noise. If its making a lot of noise when turned on, it may be because calcium deposits are being left behind due to hard water in your area. First Turn On Hot Water We Hear This Loud Noise Outside When you have been using your tank for several years, you may notice an accumulation of residue that causes popping sounds. Once your tankless water heater has finished heating water, its generally not very loud. If your water heater is making noises that sound like water is running, you will need to check for leaks. Flushing your system regularly is important, especially in areas with hard water. Immediately contact a professional if you notice any of these noises coming from your gas or oil 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. How To Install A Power Vent Gas Water Heater? Do you obtain hot water from the faucet after a lengthy period of time? This valve is intended to allow water to escape the tank if the pressure inside becomes too great. What are the disadvantages of using a tankless water heater? 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. Water Heater Making a Banging Noise You may still need to flush your system on a regular basis, but doing so using this tool makes the job a whole lot simpler. Take a look at the water thats gushing out of the end of the garden hose. In order to complete this assignment, lower the temperature of the device. Is the water that comes out of your appliance cloudy? 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. The majority of the time, these noises can be ascribed to an excessive buildup of silt. Again, the fix is relatively simple. Navien Tankless Water Heater Making Loud You will thus want the services of a professional plumber in order to find a satisfactory solution. Hissing Hissing noises are frequently suggestive of a leak. To get rid of the noises, clean out your unit or replace any worn out parts or the tank. To flush all sediment out of the tank, you have to empty it. 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. 2. Water softening can be accomplished with the use of a special appliance. When the pressure or temperature in your device reaches dangerously high levels, the valve opens to prevent a potential explosion from occurring. 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. WebCheck the temperature of the hot water outlet pipe on the water heater. First Turn On Hot Water We Hear This Loud Noise Outside You will need to flush the system with vinegar to get rid of any sediment that has accumulated. Are Tankless Water Heaters Loud If you have an electric water heater, all you have to do is turn off the breaker that controls it. jbird_1984 2 yr. ago. Navien NPE-240A2 Pump Noise We use it for hot water and for hydronic heating. This is frequently caused by a valve that has been opened only partially. After being heated by an electric source, the water in the tank begins to gather minerals that are present in it. Check the filter. jdidier5 2 yr. ago. This necessitates the installation of an additional check valve in the water line by a plumber in such situation.Wishing you success with your endeavor. The dates are October 2, 2019 and October 13, 2020. There will be no explosion in your home as a result of the heater. 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. WebDecember 2017 Good Afternoon, We have a new Navien NCB-240 in our new construction home. Water Heater This means that, at no additional cost to you, we may gain a small profit on purchases made via our links. Issues with the Navien Flow Sensor. Numerous households are plagued by the electric water heater creating noise issue. Your email address will not be published. First, it could be that the water heater is over-pressurized. Go outside to your hot water heater and re-open the gas valve. The higher the concentration of mineral deposits in the water, the harder your appliance needs to work to heat it.At some point, your unit will either explode or cease to operate.It can also leak, resulting in a hefty water bill to cover the damage.Additionally, you will be need to replace your water heater entirely.This problem may be resolved by cleansing your water tank on a yearly basis. Warm water might escape from the water heater tank as a result of these cracks and fractures in the tank. This is probably the most common reason why your water heater makes noises. Required fields are marked *. If your tankless water heater is making noise, it is usually due to one of five factors, or a combination of them. 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. 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. Regardless of what you may have heard, tankless water heaters can get noisy. Navien combi Each of the following noises is related to the current condition of the water. Dirty Flow Sensor Solution: 8. 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. If the noise is happening at times of low use, like nighttime, its probably time to take a closer look. Water Heater Making Noise If you listen closely, you could hear a crack or perhaps a small sizzle. If you notice more noise, look for debris caused by hard water in the pipes. Asked in the following category: General The most recent update was made on the 19th of January, 2020. 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. Partially Closed Valves Solution: 6. Id call tech support. How old is it? Many hot water tanks are equipped with heat traps, which are intended to keep heat from exiting the tank (i.e. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Read More Propane Heater For Bed BugsContinue, Read More How Much Propane Does A Tankless Water Heater UseContinue, Read More Propane Vs Electric Water HeaterContinue, Read More Top 10 Best 80 Gallon Electric Water Heater (2022 Latest Price)Continue, Read More Top 10 Best 20 Gallon Electric Water Heater For 2022 (Buying Guide)Continue, Read More Best electric tankless water heater for rvContinue. 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. Problem with Noise from Tankless Hot Water Heater Similarly, you may want to consider placing numerous units around your home in order to reduce the burden on any single unit. If the buzzing is bothering you, a plumber can tighten the element for you. When this occurs, you will hear a rumbling sound, which is especially noticeable when the water is moving through the ground. There are a few different things that can cause it, and thankfully, there are a few different ways to fix it. When cold water is introduced into the tank and circulated throughout the unit, the top portion of the unit will shake and produce the sound. With a little troubleshooting, you should be able to figure out whats causing the noise and get it fixed quickly and easily. If this happens, it can cause the water heater to make a loud banging noise. While this may not necessarily cause harm to your device, it will make it work harder and may shorten its useful life. This is usually the result of sediment buildup in the heater, and can be easily fixed by flushing the unit. Loose Or Dirty Parts Solution: 4. A banging noise. Examples include: Noises created by unsecured components: Tighten any loose parts that you identified in step one with a wrench or socket that is appropriate for the job. 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. Once the tank is full of water, open the T&P valve for a bit to free the tank of extra air. Noise in a tankless water heater is normal when the water is heating up. 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. Yes, if you hear a bubbling sound, it is not the sound of a witchs brew being cooked in a cauldron! Due to the possibility of pipe rupture caused by water hammer, you may choose to decrease the systems pressure using a pressure-reducing valve in order to eliminate this noise. 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. When a water heater overheats owing to poor ventilation and is surrounded by combustible materials, it is in danger of exploding. Tankless Water Heater Making Carbon monoxide gas, on the other hand, is an odorless and colorless gas that cannot be detected or seen. Hopefully, the bubbling noise is no longer present! 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. The term water pounding refers to another prevalent source of water heater sounds. Navien NPE-240A2 Pump Noise 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. A whooshing noise. Vibrations: The most typical type of noise created by fluctuating water pressure is a ticking sound.