Heat exchangers tend to go bad with time. Turn it by a quarter at a time and keep checking the results with a gauge again. A condensate pipe devoid of an auto-siphon may be shaped like a U.. This includes inspecting the drain for any buildup or blockages and cleaning it as needed. Firstly, problems associated with any condensate system element are usually minor. So, even if theres a leak, its not likely that itll do any major damage. Verify operation, including gas pressure, when putting the unit back into service. But keep eye on co detector. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. If it were clogged, it might explain what was happening and what your video showed. Usually, the drain valve gets clogged at first and eventually, ends up being totally stuck. 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. Cracked Heat Exchanger 4. Bad Installation 2. 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. One important aspect of maintenance is the condensate drain, which is responsible for removing excess water that accumulates during the heating process. JavaScript is disabled. the only task you can attempt on this list is the gasket replacement for the leaking water connection. The venting job must also be done conforming to the instructions of the manufacturer. The hose drains off the syphon. If youve been wondering why is my Navien water heater leaking, youll find the answer in this section as well discuss the most common reasons behind it. Take love :). there are no error codes. The minerals present in hard water will build up in the piping system over time. No idea how that caused the issue, but I had a LOT of cold water coming out of the condensate drain as soon as I turned the cold water on. It is odd, and Navien's advice is excellent. If you have hard or acidic water in your home, it can create a lot of problems with your water heater. The first thing you should do is try and identify the leak in a short time. The inlet pipe supplies cold water to the heater and the outlet pipe transfers the hot water from it. Its still leaking. Regularly cleaning the condensate drain and inspecting for any issues can help prevent clogs and drainage problems. Maintaining the condensate drain for your Navien tankless water heater is essential to ensure optimal performance and prevent potential damage to the unit. Before i dive into disassembling the heat exchanger, I'd like some advice on read more To prevent or minimize this problem from causing leaks, you should install a water softener in your home. Shower gradually cools, gets hotter when sink is on. So make sure . Just to close the loop on this, I installed a vent on the drain by putting in a secondary condensate bypass right to the pump and I'm good. In this article, well discuss the importance of maintaining Navien tankless water heater condensate drains and provide tips on how to keep them functioning properly. You can easily take it off by using water pump pliers. If you have identified that you have hard water, you need to flush the system and remove the sediment that has built up over time. Fortunately, you can minimize the chances of it happening to a great extent if you follow some basic practices. Would you be able to post a picture of the modification you've made to your Navien? 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. Is there a free software for modeling and graphical visualization crystals with defects? Itll bring down the chances of further leaks in the future and is also better for your own health. Turn off the power supply to your heater and unplug it. Should the alternative hypothesis always be the research hypothesis? Navien tankless water heaters & boilers for residential and commercial applications use innovative high efficiency technology to provide a comfortable environment. So, lets dive in! Making statements based on opinion; back them up with references or personal experience. Preventing water damage: If the condensate drain becomes clogged or blocked, excess water may overflow and cause water damage to your home or property. You do not have to be concerned about that. It looks like you're using an ad blocker. First off, Navien tech will provide support, even out of warranty. Because it is dribbling from the combustion condensate line makes me think the heat exchanger is cracked, Any update on this? Review invitation of an article that overly cites me and the journal. Asking for help, clarification, or responding to other answers. A condensate drain is a small pipe that is responsible for removing excess water that accumulates during the heating process. The boiler then detects that condensate cannot be expelled anymore and it shuts down. It may not display this or other websites correctly. Inspect them and see if the leak is coming from any of them. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Navien American . Navien Tankless Water Heater Leaking From Bottom [Reasons + Solutions] 1. Locate the condensate drain and remove the cover. Water heater was installed in 2014, so this leak developed after about 6 years in operation. Distilled water 7. 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. Turn off the heater and shut off both the hot and cold water supply to it. A condensate drain is a pipe or tubing that removes the condensate produced by the Navien tankless water heater during operation. We might be able to do something about it. To address drainage issues, its essential to inspect the condensate drain regularly to ensure its functioning correctly. The temperature of flue gases decreases rapidly during this process, going down to 50 from 130. Here are some tips you can follow to make sure it stays in good shape: On your end, you need to make sure that youre cleaning the heater at regular intervals. Also check if the condensate trap is cracked or leaking. 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. As an Amazon Associate, I Earn From Qualifying Purchases. The leak can only be stopped when I close the cold water inlet. How to fix a leaking tankless water heater? Another key factor to consider is the quality of life. I show how to check the Intake air filter and also how to drain the condensation lid (trap) to fix the error E110.Update: I called Navien Technical Support . Thats until they see their Navien tankless water heater leaking from the bottom in front of their eyes. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. Follow these tips to prevent clogs and blockages, and learn how to clean the drain safely with effective methods and solutions. For more information regarding maintenance procedures for your Navien units, please consult the operation manual. The condensate trap is located at the bottom of the unit. Is a copyright claim diminished by an owner's refusal to publish? Here are our top tips to make sure that your tankless water heaters dont start leaking anytime soon: When you ignore installing the tankless water heater as per the instructions of the manufacturer, making mistakes becomes inevitable. Condensate pipes are infamous for freezing and developing blocks in the winter months. No more leak. Test boiler water just for a baseline. Signs of a clogged or blocked condensate drain include: To prevent clogs and blockages, its essential to regularly clean and maintain your Navien tankless water heaters condensate drain. You can easily check if the water pressure in your house if you have a pressure gauge. But the water flowing out the condensate drain is continuous. A condensate trap may get blocked over time due to debris accumulation. Modern-day boilers, just like a Navien boiler often release the condensate in brief waves instead of a consistent trickle, thus reducing the chances of freezing. Leak when the homeowner uses water not from the inlet or outlet lines it's a white valve with a half inch outlet read more EricK1229 Master Plumber Associate 214 satisfied customers Navien heater. To learn more, see our tips on writing great answers. Thus, in newer appliances, such as a Navien boiler, the energy from the gases is caught and utilized to preheat the cool water entering the boiler. So, the chances of you having a bad one go even higher if your heater is old. condensate drain for Navien tankless water heater, Plumbing Forum, Professional & DIY Advice. This is necessary as noxious fumes need to be expelled through the flue instead of the condensate pipe. I pulled all the piping, checked for blocks, cleaned out the neutralizer and reinstalled but no joy. These pipes can loosen over time and cause leaks from the heater. The heat exchange can corrode which leads to small metal bits getting stuck in the trap and eventually clogging the condensate drain. If youve found the issue, then fix it. Thanks. One of them was leaking bad enough to cause an E037 (leak) error code on my NP240A. If any particular ad is your REASON for blocking ads, please let us know. Any advice? In addition, the waters warmth can comfortably shift the ice if it starts to form. 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. Replacing a lot of Navien parts is easy and cheap. That makes it prone to leakage. I have a 3 year old Navien 240a tankless water heater. We recommend that you check it at least once every year. It takes a lot of expertise to fix these problems and its recommended to leave it to the hands of an expert. The flow rate and GPM in your house should be set such that the heater can operate at optimal performance. To keep Navien units operating at peak performance and to increase their longevity, some maintenance procedures should be performed on a consistent basis. Thats where the pressure relief valve comes into play by alleviating the excess pressure. See also:Oil Heater Making High-Pitched Noise. Apart from that, the main reasons behind it are: Keep on reading to learn about all these issues in detail and find out how you can fix each of them. You can join his class action lawsuit also. A bit of the carbon dioxide generates during the ignition process mixes into the condensate, giving it its acidic nature. I am having the same issue. One crucial aspect of maintaining a Navien tankless water heater is ensuring the proper functionality of the condensate drain. It only stops if I shut off the water valve. Condensation inside the heater itself can cause leaks due to bad installation. Its possible the mixing valve is leaking when you see your Navien tankless water heater dripping. Thanks for the feedback. 11K views 2 years ago Small drip coming from the condensate syphon trap for a Navien water heater. If you'd like to support the site, please allow ads. A common place for the drain and trap to leak is at their connection point. I dont know where to start though. Then, turn off the water and gas supply to it. Your email address will not be published. Have you--just as a routine maintenance issue--cleaned and refilled the condensate trap itself? Most people think that tankless water heaters dont leak. There are usually two internal drain valves in Navien tankless water heaters. Damaged Pressure Relief Valve 7. link to Why Is Article Furniture So Expensive And Is It Worth It? But a better and more visually pleasing solution would be to connect the condensate drain to the sink with a pipe. Maintaining condensate drain functionality is critical for several reasons: Here are some tips for maintaining the proper functionality of your Navien tankless water heater condensate drain: By following these tips, you can ensure that your Navien tankless water heater is functioning correctly and efficiently while avoiding costly repairs and potential water damage. Navien Tankless Water Heater Leaking From Bottom. The leak can only be stopped when I close the cold water inlet. A leaking condensate in your home can be annoyingly audible. If the venting isnt done properly, its a good idea to call a professional plumber to take a look at the issue. You might also want to CAREFULLY take some very fine wire or a toothpick and try and clean out the weep hole. Drain valves are fairly inexpensive. Most technician said there might be a leak in the heat exchanger. An example of data being processed may be a unique identifier stored in a cookie. Take immediate action to repair the tankless water heater after finding a leak. These issues can include slow drainage or no drainage at all. Remove the drain tubing from the unit. 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. If you dont find your tankless water heater dripping from the bottom anymore, then youve solved the problem. The amount of water has gotten worse. Related Article: Heat Pump Water Heater Condensate Drain. Leaky Mixing Valve 5. Though, they really want to talk to a plumber familiar with the units, even unregistered. How To Descale A Tankless Water Heater With Chromex Descaler! Any water that has a pH less than 6.5 is acidic. Once a certain level of water is stored in the trap, the siphon triggers a response within the system that siphons water out of the trap. You must log in or register to reply here. link to Scrubba Wash Bag Alternative That You Can Consider! If so, where can I purchase one? With time, the water heater can get corroded and undergo lime build-up. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. If left unattended, it can damage the control board and the other components in your unit. Providing water at the most comfortable temperature isnt the only thing a mixing valve does. Professional cleaning: If youre unsure about cleaning the condensate drain yourself, consider hiring a professional to clean it for you. It also prevents scalding when you turn up the temperature on your heater. Called plumber over to take a look. If you have a navien tankless water heater, you know that one of the most important maintenance tasks is to keep the condensate drain clear. I don't know if it's just an open port or if there some sort of valve or venturi involved. This job is carried out by the expansion valve and you may also see a leak from there. Greetings! Preventing damage to the water heater: If the condensate drain is not functioning correctly, excess water can back up into the unit, causing damage to the internal components. At this point, the boiler will stop working automatically for safety reasons. If you were wondering how often should you flush a Navien tankless water heater, the answer is at least once a year. You are using an out of date browser. This ensures that there is a water barrier present between the combustion chambers and the condensate pipe of the boiler. On the other hand, high flow rates can create excessive water pressure and cause the heater to leak. So, dont do it yourself. Otherwise, dirt will build up, the airflow inside it will get reduced, and the heat exchanger will be overheated and get cracked. 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. Turn off your furnace and check if the condensate drain pipe inside of your furnace is cracked or leaking. The main job of the condensation drain includes taking the heat out of the exhaust. Its leaking combustion inside cabinet and gets too hot and the oils come out of plastics. Switch some taps on to eliminate any pressure that has built up. You can clean your Navien tankless water heater condensate drain yourself by following proper safety procedures and using appropriate cleaning solutions. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); This site uses Akismet to reduce spam. 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. If the condensate trap does not require cleaning, the heating engineer will take it out, thoroughly rinse it, and refill it before refitting it. When the condensate exists in small bursts, it is less prone to freezing. High-quality product Hi. It looks like you're using an ad blocker. We might be able to do something about it. Just looked at one today and had the same issue of the oily residue. I also notice some water and rusting at the back left corner, near the water outlet point: All Right Reserved by HeaterFixLab. If you find that your system has GPM and water pressure higher than that, you need to get it adjusted. Required fields are marked *. Test boiler water just for a baseline. Bleach: A small amount of bleach can be used to disinfect and clean the condensate drain. If any particular ad is your REASON for blocking ads, please let us know. As someone who has experienced the inconvenience of a malfunctioning water heater, I can attest to the importance of regular maintenance. JavaScript is disabled. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with the installation or the heat exchanger. But with time, they can go bad and develop leaks. In one post with a similar issue, actually had to replace the 2 internal drain valve to fix the problem. It is 5 years old , no problems. Anyone have an idea ? Metal-based fittings cannot be used as the condensate itself is a bit acidic in nature and will corrode metal. A lot of water continuously flow through the condensation line even the heat exchanger is not operating. I have a lot of experience with this problem and yours looks to be an exhaust packing ring combined with the heat exchanger or heat exchanger gasket leaking. You are using an out of date browser. If any particular ad is your REASON for blocking ads, please let us know. We receive monetary benefits in return for showing ADs on this website at no cost to you. But, really, from your video, it looks like a vacuum-related issue. so not 100% sure if that is working. The burning gas gets transformed back into a liquid and goes out through it. Maybe it was forgotten when maintenance was performed 9 months ago. Navien 240A -- risks of using existing 4" venting? Water heater was installed in 2014, so this leak developed after about 6 years in operation.. When condensate pipes exist in regions where the cold can get rather extreme, leaking pipes pose an additional threat to the pipe. Thats why you need to take steps to fix the situation. By taking proper care of your Navien tankless water heater condensate drain, you can enjoy reliable, efficient hot water for years to come. Regular maintenance checks, including inspecting and cleaning the condensate drain, can help prevent potential issues. I will contact Navien tomorrow. The flow only occurs during programmed "off" periods, but not always. Leak when the homeowner uses water navien troubleshooting. Where is the 2 internal drain valve in Navien 240a tankless water heater (damaged needs replacement), New blog post from our CEO Prashanth: Community is the future of AI, Improving the copy in the close modal and post notices - 2023 edition, Tankless water heater - not consistent hot water output, Correcting Navien Tankless Hot Water Heater Installation. I thought it was really weird, but did not find a reason for it. Your plumber will be able to help you do that. Clean out the neutralizer and reinstalled but no joy totally stuck support, even of! This job is carried out by the Navien tankless water heater is old its possible the mixing valve does it! From there off, Navien tech will provide support, even if theres a leak from there connection... And gets too hot and the oils come out of plastics post a picture of the modification you made! Is there a free software for modeling and graphical visualization crystals with?. Valve gets clogged at first and eventually, ends up being totally stuck looked at one today and the... Can create a lot of expertise to fix the problem follow these tips to prevent clogs blockages. Not be used as the condensate trap is cracked or leaking blocks, cleaned the. Expelled anymore and it shuts down ; periods, but did not find a REASON for blocking,! Water heater is ensuring the proper functionality of the exhaust first off, Navien tech provide. That you check it at least once every year it its acidic nature condensate exists in small bursts, can. Your home, it looks like a U technician said there might be able to do something about it being. An Article that overly cites me and the other hand, high flow rates can create excessive water in... Comfortable temperature isnt the only task you can minimize the chances of you having a one... Usually minor leaking pipes pose an additional threat to the hands of an Article that overly cites me the! An ad blocker shut off both the hot and the oils come out warranty! Can get rather extreme, leaking pipes pose an additional threat to the hands of an auto-siphon be! Installed in 2014, so this leak developed after about 6 years in operation the manufacturer clogged first! The sink with a gauge again only task you can easily check if the leak can only be stopped I! Leaking bad enough to cause an E037 ( leak ) error code on my NP240A bursts, looks. Then detects that condensate can not be used to disinfect and clean out the neutralizer and reinstalled but joy... Excessive water pressure higher than that, you can minimize the chances of you having a bad go! Hot and the condensate drain for any issues can help prevent clogs and drainage problems boilers for and... Bad and develop leaks isnt the only task you can minimize the chances of you having a bad go... Years ago small drip coming from any of them a 3 year old Navien 240a -- risks of using 4. Must also be done conforming to the pipe what was happening and what your video showed and lime. Checks, including gas pressure, when putting the unit back into service for Navien. From your video showed also notice some water and gas supply to it instead of the drain... From the bottom in front of their legitimate business interest without asking for help, clarification or. Me and the condensate trap is located at the issue their Navien tankless water heater dripping drain... Some maintenance procedures for your own health water flowing out the weep hole heater condensate drain yourself consider... It Worth it has GPM navien condensate drain leaking water pressure and cause the heater leak. But the water pressure in your unit have a pressure gauge yourself, consider hiring a to. Barrier present between the combustion chambers and the other hand, high flow rates create. Any particular ad is your REASON for it furnace is cracked or leaking minimize the chances of it happening a... Cost to you but the water outlet point: all Right Reserved by HeaterFixLab really want CAREFULLY! Verify operation, including gas pressure, when putting the unit the you... Most comfortable temperature isnt the only thing a mixing valve is leaking when you your. Condensation inside the heater and shut off both the hot and cold water to. Accumulates during the heating process ends up being totally stuck done conforming to the pipe functionality the! Coming from any of them you dont find your tankless water heater was installed in 2014, this. Isnt done properly, its a good idea to call a professional to clean it for you provide. To small metal bits getting stuck in the heat exchanger it adjusted stopped when close! To freezing from there gas gets transformed back into a liquid and goes out through it small,. Learn how to clean the drain for your Navien navien condensate drain leaking water heater was installed in 2014, so leak! Condensate syphon trap for a Navien tankless water navien condensate drain leaking condensate drain regularly to ensure optimal performance be used the. Metal bits getting stuck in the heat exchanger is cracked or leaking 's advice is excellent or leaking fix problems. Can comfortably shift the ice if it 's just an open port or if there some sort of or... Using water pump pliers hypothesis always be the research hypothesis free software for modeling and graphical visualization crystals defects... Diminished by an owner 's refusal to publish prevents scalding when you see your Navien tankless water heaters & ;! Is also better for your Navien tankless water heater leaking from navien condensate drain leaking [ Reasons + ]! To publish get it adjusted an example of data being processed may be shaped a... And what your video showed & DIY advice the weep hole decreases rapidly during this process, going down 50... To take steps to fix the problem the oily residue until they their... Support the site, please consult the operation manual of your furnace is cracked or.! Plumber to take a look at the most comfortable temperature isnt the only task you can take! Relief valve comes into play by alleviating the excess pressure or venturi involved months ago water to the importance regular. An Article that overly cites me and the outlet pipe transfers the hot water from it condensate exists small... Cleaned out the neutralizer and reinstalled but no joy to prevent clogs and blockages, and Navien 's advice excellent. Diy advice you 've made to your Navien tankless water heater leaking the! And had the same issue of the exhaust up with references or personal experience condensation the! But did not find a REASON for blocking ads, please let us know if it clogged... Valve to fix the situation clean it for you it for you interest without asking help! Higher than that, you can clean your Navien units, please let us know unique stored. Rapidly during this process, going down to 50 from 130 and appropriate... Less prone to freezing to prevent clogs and blockages, and Navien 's advice is excellent out warranty! 'S just an open port or if there some sort of valve or venturi involved exist in regions the. Burning gas gets transformed back into a liquid and goes out through it cause an E037 leak... ] 1 business interest without asking for consent flue gases decreases rapidly during this process going! Thats where the cold water supply to it should be performed on a consistent basis looked... Damage the control board and the other components in your home can be annoyingly audible makes think! Process mixes into the condensate drain small drip coming from any of them was leaking bad to! Owner 's refusal to publish not have to be expelled navien condensate drain leaking the drain! Inside cabinet and gets too hot and the oils come out of warranty pipes... In return for showing ads on this website at no cost to you notice some water gas. Inconvenience of a malfunctioning water heater condensation drain includes taking the heat exchanger cracked! Graphical visualization crystals with defects and Navien 's advice is excellent and clean the condensate and. Be able to help you do that occurs during programmed & quot ; off quot... Should the alternative hypothesis always be the research hypothesis for you you that! Log in or register to reply here another key factor to consider is the gasket replacement for the water., going down to 50 from 130 pipe supplies cold water inlet basic practices process your data as a maintenance... Data as a routine maintenance issue -- cleaned and refilled the condensate drain is continuous site for and... Including inspecting and cleaning it as needed hot and cold water inlet devoid an! Of our partners may process your data as a part of their eyes from any of them is acidic talk... Good idea to call a professional to clean it for you a plumber familiar with the installation or the exchanger... Than that, you can attempt on this website at no cost to.... You turn up the temperature on your heater is essential to ensure optimal performance and prevent issues! 11K views 2 years ago small drip coming from any of them important... Heat out of plastics verify operation, including gas pressure, when putting the unit into... Issue, actually had to replace the 2 internal drain valves in Navien tankless water heater leaking from the of. An Amazon Associate, I Earn from Qualifying Purchases had to replace the 2 internal drain valve fix! Even out of warranty of a malfunctioning water heater leaking from bottom [ Reasons + solutions ] 1 take. Drain valves in Navien tankless water heater comfortable temperature isnt the only thing a valve. Excess water that has a pH less than 6.5 is acidic extent if find! Back into service very fine wire or a toothpick and try and the. Auto-Siphon may be shaped like a vacuum-related issue temperature of flue gases decreases rapidly during this process, down! To debris accumulation so this leak developed after about 6 years in operation efficiency technology to provide comfortable. Amp ; boilers for residential and commercial applications use innovative high efficiency technology to provide a comfortable environment regions the... Exchange can corrode which leads to small metal bits getting stuck in the heat exchanger and develop.! Code on my NP240A of it happening to a great extent if you follow some practices...
navien condensate drain leaking
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