We recommend that you check it at least once every year. So make sure . As for the pipes that are cracked and leaking, theyll have to be replaced. Navien combi-boilers have inlet water screens on the DHW cold-water connection, along with a screen between the heating supply and return connections. Follow these tips to prevent clogs and blockages, and learn how to clean the drain safely with effective methods and solutions. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Thats where the pressure relief valve comes into play by alleviating the excess pressure. If you have hard or acidic water in your home, it can create a lot of problems with your water heater. Make sure you have a carbon monoxide detector close and keep cover on navien. If so, please leave a comment and let me know. Take love :). One important aspect of maintenance is the condensate drain, which is responsible for removing excess water that accumulates during the heating process. Boilers are susceptible to wear and tear over time like any other household appliance. Otherwise, dirt will build up, the airflow inside it will get reduced, and the heat exchanger will be overheated and get cracked. If you'd like to support the site, please allow ads. get a licensed plumber on the line and we will troubleshoot with him or her." But installing a drain pan will keep your property 100% safe in case of water leaks. The leak can only be stopped when I close the cold water inlet. In the toilet or sinks case, however, it is to prevent bad sewer odor from entering your home. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. HeyRalph is here! The number one reason behind PRVs not working properly is when they get stuck due to corrosion or the build-up of rust. See also:Oil Heater Making High-Pitched Noise. They are giving me the options to troubleshoot the unit for possibly $700 or more or to install a new one for about $5000. As the name suggests, the mixing valve combines both hot and cold water to give you the water of your desired temperature. Doing any mistake in the installation can cause gas leaks and lead to a whole world of problems. They always have relief valves. Why would turning on/off hot water when the toilet is flushing cause the tankless pressure relief valve to release water? You can hire a plumber to do this job for you. They said theyve never seen this problem before. In addition, the waters warmth can comfortably shift the ice if it starts to form. Thanks Dawark, you were right. The venting job must also be done conforming to the instructions of the manufacturer. Our condensate trap is leaking and it looks like the plug is missing an O-ring that would help it seal. It may not display this or other websites correctly. Heres an example of a pressure gauge reading thats too high. The minerals present in hard water will build up in the piping system over time. Flush waterwaysOn water heaters and the DHW side of the combi-boilers, flushing is done using a pump to circulate a flush solution through the heat exchangers. Itll wreak havoc on your Navien tankless water heater with time if you dont do anything about it. I am having the same issue. Efficient, durable and high-performance products for any commercial application. 9-year-old Navien NR-240A, I recently started noticing constant flow out the condensate drain @ ~ 2gph when unit is fully off with no demand. If you were wondering how often should you flush a Navien tankless water heater, the answer is at least once a year. Cleaning solutions and methods, as well as preventative measures such as regular maintenance checks and drainage system upgrades, can all help ensure your Navien tankless water heater operates smoothly. My first WAG is going to be leaking seal in the circulation system sounds like a leak if its doing it while the boiler is idle. The flow rate and GPM in your house should be set such that the heater can operate at optimal performance. Test boiler water just for a baseline. It could be in the heat exchanger or it could be somewhere else, but if it's constantly dribbling there's a leak somewhere. Yellow or brown water coming out of the taps is a strong indicator that you have hard water flowing through the pipes. If the pipes are blocked, then tightening them wont work. Take immediate action to repair the tankless water heater after finding a leak. link to Why Is Article Furniture So Expensive And Is It Worth It? David is a man who loves doing research and finding out the best solution to any type of heating appliance issues like heaters and fireplaces. Frozen and clogged condensate pipes are the answer to why your boiler is leaking. High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. The heat exchange can corrode which leads to small metal bits getting stuck in the trap and eventually clogging the condensate drain. Save my name, email, and website in this browser for the next time I comment. Make sure that youve not set a temperature thats higher than 120 degrees Fahrenheit. Whatever you decide, take an expert opinion before doing so. Distilled water 7. This is why online furniture solutions like Article are becoming popular. If you notice slow drainage, try using a small brush or pipe cleaner to clear any blockages. Your plumber will be able to help you do that. Its recommended to clean your Navien tankless water heater condensate drain at least once a year to prevent buildup and potential clogs. Remove the drain tubing from the unit. We receive monetary benefits in return for showing ADs on this website at no cost to you. Your email address will not be published. Related Article: Heat Pump Water Heater Condensate Drain. Posted on April 9, 2023 by April 9, 2023 by Even if it looks to be in good condition, you should replace it once in a few years to be on the safe side. Temperature, pressure, or a faulty valve. Test boiler water just for a baseline. You can clean your Navien tankless water heater condensate drain yourself by following proper safety procedures and using appropriate cleaning solutions. I'm not that desperate, yet. Remove the four screws and take off the front cover to gain access to it. Year 2021. . Some signs of a clogged condensate drain include water leaks or buildup around the unit, strange noises during operation, and reduced heating performance. Thanks. Its essential to prevent water buildup and potential damage to the unit. Navien Tankless Water Heater White Knight Plumbing from plumbingolympia.com. Having a flow rate thats too low will lead to instances when the water will not get hot. When I change the circulate program to include current time and circulation begins, the flow out the condensate drain line stops - and does not restart (at least promptly) when the circulation stops. Clear damage on the existing o-ring. The first thing you should do is try and identify the leak in a short time. You do not have to be concerned about that. Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. Navien Tankless Water Heater Leaking From Bottom. One crucial aspect of maintaining a Navien tankless water heater is ensuring the proper functionality of the condensate drain. If any particular ad is your REASON for blocking ads, please let us know. However, that also means that the volume of condensate coming down the pipe during each wave is higher, and you would notice leakages more. More.likely on the dhw side. But with time, they can go bad and develop leaks. Two common issues that can occur with the condensate drain are clogs and blockages and drainage issues. This can include adding a larger drain line or installing a condensate pump to improve drainage and prevent water buildup. Navien Tankless Water Heater Leaking From Bottom [Reasons + Solutions] 1. It looks like you're using an ad blocker. link to Scrubba Wash Bag Alternative That You Can Consider! Navien NHB boilers have a screen on the return connection. I bought a home a few months ago that had a Navien tankless water heater installed in 2019. Condensate Neutralizer Installation Instructions. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Eventually, theyll get to the water heater and damage important components. Distilled water 7. If your Atwood water heater wont light, the first thing you should We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. Burner condensate runs 2-4 ph litmus paper to test it. Protect your water supply and your water heating equipment with eco-friendly water treatment solutions. There seemed to be condensation forming on the bottom of the secondary heat exchanger. Is a copyright claim diminished by an owner's refusal to publish? Moreover, these bags are Why Is Article Furniture So Expensive And Is It Worth It? Its possible the mixing valve is leaking when you see your Navien tankless water heater dripping. Turn off the power supply to the Navien tankless water heater. Your feedback is always appreciated. If you have acidic water, install an acid neutralizer to raise the pH level of water in your house. One of the reasons that could lead to your Navien tankless water heater leaking is a stuck drain valve. Save my name, email, and website in this browser for the next time I comment. We might be able to do something about it. Learn how your comment data is processed. Blocked condensate traps are generally a result of not servicing your boiler for a long time. Though heat exchangers dont last forever, there are a few things you can do to make sure that you can maximize how long they last. By understanding and addressing these common issues with Navien tankless water heater condensate drains, you can ensure that your unit is functioning correctly and efficiently while avoiding potential damage or costly repairs. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Most technician said there might be a leak in the heat exchanger. Turn off the power supply to your heater and unplug it. What could a smart phone still do or not do and what would the screen display be if it was sent back in time 30 years to 1993? The preventive measure for this problem is to use a water softener. Heaterfixlab.com is a participant in Google Adsense and Ezoic Ad Network. I've seen heat exchangers only leak under fire. Why is a "TeX point" slightly larger than an "American point"? condensate drain for Navien tankless water heater, Plumbing Forum, Professional & DIY Advice. Asking for help, clarification, or responding to other answers. But if you feel comfortable taking it on yourself, here are the steps to replace it: Thats how easy it is. I have a Navien NPE 240A tankless water heater that is leaking a steady flow of water from the condensate drain. Doesn't seem like you can have it both ways. How To Descale A Tankless Water Heater With Chromex Descaler! You must log in or register to reply here. Make sure the gas supply is off and switch off all water supplies. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. A bit of the carbon dioxide generates during the ignition process mixes into the condensate, giving it its acidic nature. This can be done by using a small brush or pipe cleaner to remove any debris or buildup. Regular maintenance checks and drainage system upgrades can also prevent issues with your Navien tankless water heater condensate drain. Could anyone please point me where I can find the 2 internal drain valve? Navien npe-240a, 7year old works troubleshooting navien. It contains minerals like Calcium and magnesium that can damage vital components including the heat exchanger. You are using an out of date browser. As an owner of a water heater, you need to know about the water conditions in your house. Sci-fi episode where children were actually adults. Learn more about our products for home owners. Clean the air filter All Navien units (water heaters, combi-boilers and boilers) have inlet air screens inside the cabinet just below the air intake collar to prevent debris from being pulled into the blower, burner and heat exchanger assembly. It may not display this or other websites correctly. Bad Installation 2. Any guidance would be appreciated. No external features.I would hear the recirculation pump and burner kick on in the mornings before my shower, about 20 minutes before but I dont really hear that anymore. Navien American . Allan, can you post a pix of the Navien where you changed the O ring? Thank you. Any advice? What should you do immediately when you notice the water heater leaking? A drop in temperature makes the gases condense. Using proper cleaning solutions: When cleaning your condensate drain, be sure to use a solution that is specifically designed for use with Navien tankless water heaters. Different contractors? This ensures that there is a water barrier present between the combustion chambers and the condensate pipe of the boiler. Here are some steps and tips for safely and effectively cleaning your Navien tankless water heater condensate drain: Steps to Safely Remove the Condensate Drain Turn off the power supply to the Navien tankless water heater. Hard Or Acidic Water 3. Clean the condensate trap The condensate trap is located at the bottom of the unit. Should the alternative hypothesis always be the research hypothesis? Ads on this website at no cost to you Article Furniture so Expensive and is it it... In or register to reply here the gas supply is off and switch off all water supplies heater leaking when! 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Condensate pipe of the carbon dioxide generates during the heating supply and your water supply and your water heater the... Build-Up of rust allow ads log in or register to reply here name,,... And potential damage to the unit such that the heater can operate at optimal performance also! Properly is when they get stuck due to corrosion or the build-up of rust DHW cold-water connection, with...