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. The heating element must be removed from the machine and thoroughly cleaned using a wire brush and vinegar in this case. Another possibility is that your unit is experiencing a phenomena known as water hammer, which occurs when your water supply is switched off and then a large amount of water rapidly surges back through the pipes. This noise is caused by the water bubbles that form when it flows through the sediment layer. . Showering while using a loud heater, on the other hand, might turn into a nightmare. Flush the water heater: at least once or twice a year, flush out your water heater. Pump rattles at first, then makes loud whining noise. The banging and knocking are not coming from that direction. A decibel meter is recommended to find out just how loud your water heater is. Its possible that purchasers may believe the property is haunted if you combine it with water pounding. Issues with the Navien Flow Sensor. 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. Their metallic flavor and odor are present as well as their presence. X-HazMatX7-X 1 yr. ago. We can help. It would be best if you flushed your water heater regularly to avoid this from 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. 2. 2. It would be best if you flushed your water heater regularly to avoid this from Almost certainly, there is a valve someplace that is only half closed. This can happen if the water heater is set to a higher temperature than the incoming water pressure can handle. Test the valve by lifting and lowering the lever many times to identify the problem. WebDecember 2017 Good Afternoon, We have a new Navien NCB-240 in our new construction home. If no hot water taps are open you shouldn't hear water moving through the pipe. If your Navien tankless water heater is making a loud banging noise, it could be due to a few different reasons. The electric element (or the burner in the case of a gas heater) is activated, and the trapped water begins to be heated. In such case, condensation is a plausible explanation. WebNavien water heater problem horrendous noise bethonthemove 11 subscribers Subscribe 12K views 10 years ago Horrendous sound coming from my tankless hot water heater. The problem is that some designs are capable of producing mild tapping sounds. This valve is intended to allow water to escape the tank if the pressure inside becomes too great. Partially Closed Valves Solution: 6. 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. Re-energize your brand-new water heater by officially turning it back on. Whichever remedial action you choose will be determined by the source of the noise. 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. 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. In severe circumstances, the sediment accumulation inside electric tankless water heating systems might completely engulf the heating element and cause it to fail. Simply follow the instructions outlined below: Turn off the hot water heater as well as the cold water supply if applicable. Siphoning Water Solution: 3. While youre emptying the water out of the tank, open at least one faucet in your home to ensure that you dont have empty water pipes causing pressure in your home. Too much pressure if the insides of your water heater are under high pressure, you might also experience loud banging noises. If the noise is happening at times of low use, like nighttime, its probably time to take a closer look. (article). Read my tutorial on how to reduce the noise produced by standard water heaters. 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. To clean the heat exchanger, youll need to contact a professional. Then quiet. A water heater that isnt producing enough hot water is an indication of a problem. If you suspect that your unit has a gas leak, you should turn off the gas to the appliance and hire a plumber to inspect and make any necessary repairs. Everything was good until recently. We use it for hot water and for hydronic heating. I checked the inlet pipe before the heater and there is normal water pressure coming in. When sediments build on the bottom of the tank, it traps the hot water underneath. To flush all sediment out of the tank, you have to empty it. 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. 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. 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. 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. Make certain that the dirt in the tank is removed to avoid this problem. Mineral Build-Up Solution: 2. Sometimes the whining starts right away. Furthermore, the water heater should never be used at temperatures higher than 212F (100C). Once your tankless water heater has finished heating water, its generally not very loud. It is possible that a high pitched noise emanating from your water heater is caused by high incoming water pressure. Siphoning Water Solution: 3. Fortunately, none of these elements may be harmful to your health. The exact procedures to drain your water heater to get rid of the bubble, bubble, toil, and trouble will be demonstrated in detail. If your tankless water heater is making noise, it is usually due to one of five factors, or a combination of them. This is probably the most common reason why your water heater makes noises. Its very probable that youre hearing a ticking noise coming from your water heater due of a rapid drop in water pressure. It is loud enough to hear throughout our open plan house, and on all floors. If the buzzing is bothering you, a plumber can tighten the element for you. Installing a water softener system may be necessary. If you have an electric water heater, all you have to do is turn off the breaker that controls it. To reduce noise from a tankless water heater, it typically requires flushing the system with vinegar, tightening any Immediately contact a professional if you notice any of these noises coming from your gas or oil water heater. Fortunately, cleaning it is straightforward. 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. They are as follows: However, when used as a storage unit, they make very little noise. Furthermore, as more silt accumulates, the volume of the noise will increase. Thats when the expertise of a skilled real estate agent comes in handy. 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. Follow the sound until it reaches its loudest peak. Youll want to purge your water heater as often as possible to keep it running efficiently.If you put off this activity for a lengthy period of time, the quantity of residue that builds up may make it difficult to flush the system. Additionally, if the house owner is handy, they may be able to tighten the part themselves. This is especially true if you do not have an expansion tank installed. 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. If you hear any of these noises coming from your Navien tankless water heater, theres no need to panic. 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. They understand what local purchasers are looking for and what they are willing to pay extra for. Similarly, if your system is powered by natural gas, check to see that your homes gas has not been shut off by your service provider. The result is that water is driven into a small orifice, resulting in the screaming noise you hear. 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. Your email address will not be published. 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. In light of the fact that your hot water heater has been turned off, you should only be experiencing cold water flowing out of that sink! If you have any questions about the Navien tankless water heater making loud banging noise, feel free to leave a comment below. 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. Noise in a tankless water heater is normal when the water is heating up. However, this does not rule out the possibility of silt buildup. Get in Touch with Our Fort Wayne Service Technicians The majority of tankless water heaters will produce some noise when they are first turned on and when they are heating water, but the noise levels are typically manageable and not a source of concern. It is impossible to thoroughly clean your dishes and tableware without a water heater, which is why you must have one installed in your home. Another common cause of a loud banging noise from a Navien tankless water heater is a faulty dip tube. Gibsons Heating & Plumbing, Inc. will assist you with any and all of your hot water requirements. 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. WebNavien Inc. (Headquarters) 20 Goodyear Irvine, California 92618 Phone: 800-519-8794, 949-420-0430 Navien America Inc. (Branch Office) 325 Route 70 East Water is trapped behind the sediment layer, causing it to become stagnant. If you leave the residue on your heater, it might cause damage, which can result in additional charges for repairs or replacement. 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 order to complete this assignment, lower the temperature of the device. 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. It is possible that the tank will rupture, incurring thousands of dollars in damage!What can you do to avert such a terrifying occurrence?You may, on the other hand, cleanse your water heater tank manually.Step-by-step instructions are provided below: To switch off your gas-powered water heater, look for it at the bottom of the tank and depress the button on the thermostat to the off position. Tankless water heaters have their own individual noises that are difficult to distinguish. Symptoms of carbon monoxide poisoning include: Fainting, chest pain, confusion, breathing difficulties, vomiting, weakness, headache, blurred vision, and dizziness are all possible symptoms. When this occurs, you will hear a rumbling sound, which is especially noticeable when the water is moving through the ground. WebNavien water heater problem horrendous noise bethonthemove 11 subscribers Subscribe 12K views 10 years ago Horrendous sound coming from my tankless hot water heater. You can also contact a specialist to determine whether you have water hammer and/or to assist you in draining your water heater tank. Regardless of what you may have heard, tankless water heaters can get noisy. If the water pressure is too high, it can cause the navien tankless water heater to overheat and make a loud banging noise. Despite the fact that it is not a critical issue, if you do not address it immediately, you may suffer consequences later on. 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. This is usually the result of sediment buildup in the heater, and can be easily fixed by flushing the unit. Heating water causes it to expand. 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. 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. Return to the cold water valve and turn it on once more to get a better look at what the tank water looks like this time. There is no need to be concerned about these noises. There will be no explosion in your home as a result of the heater. Before you begin, you should double-check all of the vent pipes to ensure that they are properly connected. You should immediately contact a plumbing professional if your water heater is making rumbling, popping, or cracking noises. 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. If youre still not sure whats causing the noise, you can contact a Navien service technician for help. X-HazMatX7-X 1 yr. ago. You may need to hire a plumber to diagnose and solve your plumbing problems if none of the above options appear to be effective solutions. Mineral Build-Up Solution: 2. It can result in a high-pitched popping sound every time you run the water heater. Due to the possibility that the pipes are not firmly fastened, the water pressure might slam them into the wall studs or against the inside of the wall. 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. 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. By manually elevating the TRP valve, you can determine whether or not it is in working order. It sounds almost like cavitation or a magnet rubbing against the casing as the recirculating pump winds down. A decibel meter may be used to determine how loud your tankless water heater is actually operating at any given time. My navien tankless water heaters are making a loud rumbling 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. The heat trap is typical in this situation, but if it bothers you, you may replace it with an ordinary dielectric nipple. Go to the running faucet and turn it off. Choose a day when your agent isnt showing your house if at all possible. When the pressure or temperature in your device reaches dangerously high levels, the valve opens to prevent a potential explosion from occurring. Categories: Water heaters are built with a temperature and pressure relief safety valve as standard equipment.Whenever the temperature within the tank rises beyond a certain threshold or when there is an excessive buildup of pressure inside the tank, this valve is meant to open and discharge water.In light of this, what can I do to prevent my water heater from creating noise?Regardless of whether your tank is driven by gasoline or electricity, you can frequently eliminate the noises on your own by carefully following a few simple methods outlined below. There is no need to be concerned about your tank being damaged as a result of this. These nipples are equipped with characteristics that help you store heat and make your heater run more efficiently. Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. The presence of something impeding your systems heating element, on the other hand, may indicate a more serious problem. 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.