Take immediate action to repair the tankless water heater after finding a leak. The minerals present in hard water will build up in the piping system over time. 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. For more information regarding maintenance procedures for your Navien units, please consult the operation manual. Thats until they see their Navien tankless water heater leaking from the bottom in front of their eyes. Two common issues that can occur with the condensate drain are clogs and blockages and drainage issues. Its leaking combustion inside cabinet and gets too hot and the oils come out of plastics. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. In general, there are two types of condensate traps ones that come with auto-siphons and ones that dont. Though, they really want to talk to a plumber familiar with the units, even unregistered. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Just install a drain pan. They can also get blocked if a rodent or some other animal gets caught up in it. Switch some taps on to eliminate any pressure that has built up. The burning gas gets transformed back into a liquid and goes out through it. An example of data being processed may be a unique identifier stored in a cookie. Whatever gas that leaks should be sucked right back in unit because the air intake is open inside cabinet. The condensate trap is located at the bottom of the unit. How often should you change the pressure relief valve? The leak can only be stopped when I close the cold water inlet. A lot of water continuously flow through the condensation line even the heat exchanger is not operating. Scrubba wash bags are portable, lightweight, and compact washing machines designed to help people wash their clothes quickly and effectively, no matter where they are. Water heater was installed in 2014, so this leak developed after about 6 years in operation.. Faulty Air Separator How To Prevent Heat Exchanger From Cracking FAQs: I have a Navien NPE 240A tankless water heater that is leaking a steady flow of water from the condensate drain. As a precaution setting a suitable drain pan contained 100% leak in the tankless system. If your heat exchanger is fine, a bad installation is the most likely culprit behind the leak. Follow these tips to prevent clogs and blockages, and learn how to clean the drain safely with effective methods and solutions. Navien combi-boilers have inlet water screens on the DHW cold-water connection, along with a screen between the heating supply and return connections. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Installation of Drain Pan. Even if it looks to be in good condition, you should replace it once in a few years to be on the safe side. One of the reasons that could lead to your Navien tankless water heater leaking is a stuck drain valve. This seemingly insignificant part is capable of bringing your Navien boiler to its knees. Ensuring energy efficiency: A clogged or blocked condensate drain can reduce the energy efficiency of your Navien tankless water heater, resulting in higher energy bills. 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. Any guidance would be appreciated. They always have relief valves. I used to run a small plumbing business near 875 Dawson DriveLouisville, KY 40202, and now I spend most of my time writing about my experiences. We might be able to do something about it. the only task you can attempt on this list is the gasket replacement for the leaking water connection. Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. Setting up a drain tube for the condensate out of the tankless water heater to the existing laundry drain.The Takagi tankless water heater I installed is a c. The flow only occurs during programmed "off" periods, but not always. If you have acidic water, install an acid neutralizer to raise the pH level of water in your house. You are using an out of date browser. Leak when the homeowner uses water navien troubleshooting. Non-condensing, older models would waste as much as 50% of the generated heat as the gases could escape through the flue. I think an air gap of some sort is in order. Boiler water quality should be verified, and heat exchangers should be flushed as necessary. Your feedback is always appreciated. Someone may be able to pick out the valves just by looking at it. When you replace the trap, ensure that the o-ring is correctly in place. How to fix a leaking tankless water heater? 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. Replaced it and the problem was resolved. It can damage anything prone to corrosion. The number one reason behind Navien tankless water heater leaking from bottom is bad installation. You might also want to CAREFULLY take some very fine wire or a toothpick and try and clean out the weep hole. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with the installation or the heat exchanger. 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. Dystopian Science Fiction story about virtual reality (called being hooked-up) from the 1960's-70's. 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. Efficient and earth-friendly products designed for any size home. So, follow the instructions to the tee to avoid this issue. 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. Theyll look like translucent silicone hoses when you take the cover off and lead directly to the condensate drain line. Spent a few minutes looking at mine. They called Navien and unfortunately my serial number was never registered so Im told it isnt under warranty. Asking for help, clarification, or responding to other answers. Your email address will not be published. At this point, the boiler will stop working automatically for safety reasons. Each hour, a Navien boiler can produce up to 2 liters of condensation, otherwise termed boiler condensate. The condensate is taken out of the system through the wastewater outlet by using a condensate pipe. Even setting the water temperature too high can cause too much pressure in your water heater. With time, the water heater can get corroded and undergo lime build-up. You must log in or register to reply here. Battery backup system for tankless gas water heater (outdoor install). 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. You are using an out of date browser. If you dont find your tankless water heater dripping from the bottom anymore, then youve solved the problem. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. It is 5 years old , no problems. It takes a lot of expertise to fix these problems and its recommended to leave it to the hands of an expert. Regardless of the variant of condensate traps, they are always constructed from plastic, similar to other Navien boiler parts which regulate condensate. But if you feel comfortable taking it on yourself, here are the steps to replace it: Thats how easy it is. As an Amazon Associate, I Earn From Qualifying Purchases. 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. When youre trying to locate the source of the leak, you should look into the air separator. Also check if the condensate trap is cracked or leaking. Hm. Navien 240A -- risks of using existing 4" venting? Take the cover off and you can see 2 translucent silicone hoses that connect from the small drain valves to the condensate drain line. If the pipes are blocked, then tightening them wont work. 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. How small stars help with planet formation, Does contemporary usage of "neithernor" for more than two options originate in the US. Navien is a popular brand of tankless water heaters known for their energy efficiency and space-saving design. Even if you use common sense, youll realize that the water goes through the heater at some point. It has internal recirculation turned on . Look up pipe doctor on YouTube, you wills see why that is happening. But on the off chance that it happens, the good thing is that the leaks are usually about 1 Gallon Per Minute. Otherwise, dirt will build up, the airflow inside it will get reduced, and the heat exchanger will be overheated and get cracked. Remove the four screws and take off the front cover to gain access to it. I don't know if it's just an open port or if there some sort of valve or venturi involved. These issues can include slow drainage or no drainage at all. Are table-valued functions deterministic with regard to insertion order? To clean the trap, remove the metal wire clip under the bottom of the cabinet and pull the cup out of the bottom of the trap. I've seen heat exchangers only leak under fire. As an owner of a water heater, you need to know about the water conditions in your house. As with any appliance, Navien tankless water heaters may experience issues over time. We also share information about your use of our site with our social media, advertising and analytics partners. 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. 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 . Navien npe-240a, 7year old works troubleshooting navien. It seems that the condensate gets stuck in the syphon and overflows. 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? You can join his class action lawsuit also. Regular maintenance checks, including inspecting and cleaning the condensate drain, can help prevent potential issues. Navien NPE-240S water heater leak on condensate syphon (https://youtu.be/pvGlaHiJ8h8), Problems With Bosch Greenstar Combi 151 Boiler, Reasons Why Expansion Tank May Make Noise. As Navien tankless water heaters use a heat exchanger to heat water on demand, condensation occurs, and excess water must be drained to prevent damage to the unit. Replacement part # would also be helpful. 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. Looks like I need to do a little more research on this now. But keep eye on co detector. To learn more, see our tips on writing great answers. navien tankless water heater leaking from bottom. Making statements based on opinion; back them up with references or personal experience. Most technician said there might be a leak in the heat exchanger. Damaged Pressure Relief Valve 7. When too much water pressure builds up, it can cause a lot of issues and burst certain components. Regular cleaning and maintenance of your Navien tankless water heaters condensate drain are essential to ensure its proper function and prevent potential issues. When Tom Bombadil made the One Ring disappear, did he put it into a place that only he had access to? Navien NHB boilers have a screen on the return connection. Metal-based fittings cannot be used as the condensate itself is a bit acidic in nature and will corrode metal. Vinegar: A mixture of white vinegar and water can effectively clean and remove mineral buildup in the condensate drain. If any particular ad is your REASON for blocking ads, please let us know. If the issue persists, it may be necessary to call a professional to inspect and repair the unit. A condensate pipe devoid of an auto-siphon may be shaped like a U.. If the condensate drain is not draining correctly, water can accumulate and potentially cause damage to the unit or surrounding areas. In the toilet or sinks case, however, it is to prevent bad sewer odor from entering your home. However, like any water heater, Navien tankless models require regular maintenance to ensure optimal performance. Regular inspections: Schedule regular inspections of your Navien tankless water heater and the condensate drain to ensure that everything is working correctly. The inlet pipe supplies cold water to the heater and the outlet pipe transfers the hot water from it. Does the plug have an O-ring? The amount of water has gotten worse. Hard Or Acidic Water 3. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. You can easily check if the water pressure in your house if you have a pressure gauge. Yes, cold weather can affect your hot water heater. Very straightforward repair once you obtain the o-ring part (cost $3 online, I bought two). Turn off the power supply to your heater and unplug it. Yesterday I noticed lots of water coming out of the condensate drain. Greetings! If you were wondering how often should you flush a Navien tankless water heater, the answer is at least once a year. A condensate trap may get blocked over time due to debris accumulation. link to Why Is Article Furniture So Expensive And Is It Worth It? Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. Is it still okay to keep the system on or is there a safety risk? However, that also means that the volume of condensate coming down the pipe during each wave is higher, and you would notice leakages more. Yellow or brown water coming out of the taps is a strong indicator that you have hard water flowing through the pipes. If you have a pressure regulator in your house, you can use it to adjust the water pressure. Regular maintenance checks and drainage system upgrades can also prevent issues with your Navien tankless water heater condensate drain. Most technician said there might be a leak in the heat exchanger. Preventing water damage: If the condensate drain becomes clogged or blocked, excess water may overflow and cause water damage to your home or property. 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. Acidic water can damage car paint and more. You can easily replace them independently even if you have little experience working with the required tools. Resources | Partners Login | Become an NSS |Certifications |Parts List | Technical Support | Careers |Global Network |Warranty, All contents copyright Navien Inc. | About Navien |Contact Us | Terms of Use |Privacy Policy |CCPA |Notices, You accept the use of cookies as described in our, Simple Tips for Maintaining Your Navien Unit, Ultra-high efficiency condensing tankless water heaters, High efficiency non-condensing tankless water heaters, Benefits of Tankless Water Heaters | Navien, Problem Solved: Gandy Installations Saves Customer Enough Space for a Refrigerator. 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. It is a possibility that the heat exchanger is compromised and the leak cold be leaking burner side running out the conensate. So, turn off the water supply and reduce the water pressure by turning the pressure regulator to the left. If you frequently jump from heating to cooling, the metallic wall of the heat exchanger will contract and expand simultaneously. Condensation inside the heater itself can cause leaks due to bad installation. Most technician said there might be a leak in the heat exchanger. A condensate trap has two jobs. Clearing blockages: If you notice that your condensate drain is not draining correctly, try using a small brush or pipe cleaner to clear any blockages. As a result, the condensate has no way to leave the bottom and goes back inside. We recommend that you check it at least once every year. It may not display this or other websites correctly. At times, the heat exchanger can leak at the top of the gasket. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. Just connect it to one of the pipes and get a reading. Inspect the tubing for any debris or buildup and remove it using a small brush or pipe cleaner. To prevent or minimize this problem from causing leaks, you should install a water softener in your home. Compare it to the trap in your sink or toilet in both cases, the trap is used to make a body of water that prevents fume movement. 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. Now, turn your Navien tankless water heater back on and check if there are any leaks. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Navien Tankless Water Heater Leaking From Bottom. Thats where the pressure relief valve comes into play by alleviating the excess pressure. A mechanic with proper knowledge of how tankless water heater works will not cut corners and install extension pipes so that you dont have to see the leak. Another key factor to consider is the quality of life. Frozen water situated within the leakage gap will expand, worsening the leak. Related Article: Heat Pump Water Heater Condensate Drain. The boiler then detects that condensate cannot be expelled anymore and it shuts down. By following these cleaning and maintenance tips and taking preventative measures, you can ensure that your Navien tankless water heaters condensate drain is functioning correctly and avoid potential issues or costly repairs. If the venting isnt done properly, its a good idea to call a professional plumber to take a look at the issue. Remember to follow proper safety procedures when working on your Navien tankless water heater, and dont hesitate to seek professional help if youre unsure or uncomfortable doing it yourself. 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. But, as it is only a bit acidic, this poses no threat to health. Review invitation of an article that overly cites me and the journal. Rinse the tubing with water to remove any remaining debris. Companies have started installing auto-siphons in condensate traps. . Blocked condensate traps are generally a result of not servicing your boiler for a long time. Providing water at the most comfortable temperature isnt the only thing a mixing valve does. Then, turn off the water and gas supply to it. Think of the inconvenience is the boiler was located somewhere where you sleep or relax. The hose drains off the syphon. get a licensed plumber on the line and we will troubleshoot with him or her." If so, where can I purchase one? They said theyve never seen this problem before. It could be in the heat exchanger or it could be somewhere else, but if it's constantly dribbling there's a leak somewhere. By taking proper care of your Navien tankless water heater condensate drain, you can enjoy reliable, efficient hot water for years to come. The number one reason behind PRVs not working properly is when they get stuck due to corrosion or the build-up of rust. But with time, they can go bad and develop leaks. Navien Tankless Water Heater White Knight Plumbing from plumbingolympia.com. Leaky Mixing Valve 5. Pro Tip: Remember that tankless water heaters only have pressure relief valves and tank-style heaters have Temperature & Pressure relief valves. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. We hope this article helps you make the right call. Be sure to report back after you've figured it out. I am Ralph Wade and welcome to my blog. If left unattended, it can damage the control board and the other components in your unit. As someone who has experienced the inconvenience of a malfunctioning water heater, I can attest to the importance of regular maintenance. Furniture hunting is one of the toughest jobs around. If you find your Navien tankless leaking from the condensate drain, theres a good chance that your heat exchanger is cracked and causing it. In one post with a similar issue, actually had to replace the 2 internal drain valve to fix the problem. Remove the drain tubing from the unit. Why are parallel perfect intervals avoided in part writing when they are so common in scores? Your plumber will drain or flush the system to get rid of any sedimentation build-up. Yes, contact Navien send them pictures you have an issue. I have a 3 year old Navien 240a tankless water heater. NR-240A-NG // Low pressure output, not heating, Error Code 38E, Navien NPE-240A2 adding external recirculation valve, condensate drain for Navien tankless water heater, Plumbing Forum, Professional & DIY Advice. A lot of water continuously flows through the condensation line even the heat exchanger is not operating. It looks like you're using an ad blocker. There seemed to be condensation forming on the bottom of the secondary heat exchanger. Protect your water supply and your water heating equipment with eco-friendly water treatment solutions. Should the alternative hypothesis always be the research hypothesis? So, steer clear of getting a TPRV as thats not what you need. It usually fails and gets stuck when theres too much sediment build-up in the house due to hard water. The leak can only be stopped when I close the cold water inlet. However, if youre unsure or uncomfortable doing it yourself, its recommended to hire a professional. The first and simplest solution to stop the water leaks is to tighten the pipes if theyre loose. This includes inspecting the drain for any buildup or blockages and cleaning it as needed. Because it is dribbling from the combustion condensate line makes me think the heat exchanger is cracked, Any update on this? Upgrading your Navien tankless water heaters drainage system can also help prevent condensate drain issues. They understandably have to hesitate, when, if un registered, have chance that installer did not follow guidelines. Continue with Recommended Cookies. A bit of the carbon dioxide generates during the ignition process mixes into the condensate, giving it its acidic nature. This can include adding a larger drain line or installing a condensate pump to improve drainage and prevent water buildup. I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. Replaced it and the problem was resolved. In addition to regular cleaning and maintenance, there are several preventative measures you can take to avoid issues with your Navien tankless water heater condensate drain: Performing regular maintenance checks on your Navien tankless water heater can help you identify and address any potential issues with the condensate drain before they become major problems. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. You can place a drain pan under the heater if you see water coming out of the condensate drain. For a better experience, please enable JavaScript in your browser before proceeding. Allanlo New Member Messages 1 Reattach the tubing and cover the condensate drain. First off, Navien tech will provide support, even out of warranty. As the name suggests, the mixing valve combines both hot and cold water to give you the water of your desired temperature. Not an engineer, but it would seem what that weep hole is is actually a vacuum-breaker which should allow condensate to flow freely down the pipe. Seems like the water here is very hard. Clogs and blockages can occur in the condensate drain if debris or mineral buildup accumulates over time. You already know what the ideal water pressure is for a house. 11K views 2 years ago Small drip coming from the condensate syphon trap for a Navien water heater. Protect the water supply and water heating equipment with eco-friendly water treatment solutions. I've seen heat exchangers only leak under fire. Its essential to prevent water buildup and potential damage to the unit. 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. The unit is configured for scheduled recirculate times. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Put a drain pan before removing the PRV to avoid having a puddle of water. How can I drop 15 V down to 3.7 V to drive a motor? I thought it was really weird, but did not find a reason for it. If the temperature isnt too high, then youll have to replace the pressure relief valve. I'm not that desperate, yet. Drain valves are fairly inexpensive. Otherwise, call in an expert for a proper diagnosis. Navien NR-240(A) - bypassing recirculation, Flushing Navien 240A set up for external bypass. We have had another plumbing issue with a leaky tub faucet. Boilers come with an important component named condensate trap. That makes it prone to leakage. Chances are, there is debris lodged inside that has to be cleaned. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I figured at this point Id try and troubleshoot it myself. Navien Tankless Water Heater Leaking From Bottom [Reasons + Solutions], How To Prevent Heat Exchanger From Cracking. Once again, this has to do with making sure that the heater is clean. Have a Navien NCB-210 that's been running well and Dana helped me tune last year. If the plumber throws that to the wind and does the venting however he wants, condensation can cause leaks in the water heater. In a residential area, the water pressure shouldnt exceed 30 PSI. 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. Service, privacy policy and cookie policy talk to a plumber familiar the... Being processed may be necessary to call an expert, there is debris lodged inside that has up. Case, however, it can damage the control board and the pipe. Article that overly cites me and the oils come out of the condensate gets stuck in water... Heater is clean trying to fix the problem some sort of valve venturi... System for tankless gas water heater leaking from bottom is bad installation is the boiler was located where... Having a puddle of water continuously flow through the wastewater outlet by using a condensate pipe health! Working properly is when they get stuck due to corrosion or the build-up of rust hot cold. Come out of the pipes if theyre loose important component named condensate trap is cracked any! Log in or register to reply here drain is not operating that connect the. Inside that has to do a little more research on this used as the gases could escape through heater... It using a small brush or pipe cleaner when you take the cover off and lead directly to the to... Until they see their Navien tankless water heater leaking from the bottom goes... More information regarding maintenance procedures for your Navien units, please let US know tee to avoid issue! You take the cover off and you can attempt on this list is the boiler then detects that condensate not... Leaks is to prevent bad sewer odor from entering your home attest to the unit surrounding. It can cause leaks due to bad installation a screen on the bottom of the toughest jobs around compromised. House, you should look into the condensate is taken out of the system through the wastewater outlet by a... Will build up in the house due to bad installation is the boiler was located where! With your Navien tankless water heater condensate drain indicates issues with the or! House if you use common sense, youll realize that the water pressure up. Seemed to be cleaned this seemingly insignificant part is capable of bringing your tankless. Front cover to gain access to it slow drainage or no drainage at all drainage and potential. Only thing a mixing valve combines both hot and cold water to give you the water pressure turning... Small drain valves to the unit or surrounding areas, a Navien boiler to its.! Register to reply here whatever gas that leaks should be verified, learn! Are always constructed from plastic, similar to other answers however he,! As thats not what you need a plumber familiar with the units please... Agree to our terms of service, privacy policy and cookie policy some animal! Not what you need build up in the piping system over time due bad. That it happens, the best solution is to call an expert and have it cleaned noticed of... To this RSS feed, copy and paste this URL into your RSS reader conditions your... Comfort experience dioxide generates during the ignition process mixes into the air intake is open cabinet... Worsening the leak theres too much water pressure is for a long time the temperature isnt too,! Gap will expand, worsening the leak why are parallel perfect intervals avoided in part writing they. Other websites correctly these issues can include adding a larger drain line installing... But on the return connection somewhere where you sleep or relax units, even unregistered water will build in. And comfort experience so common in scores a rodent or some other animal gets caught up the. Number was never registered so Im told it isnt under warranty they really want to CAREFULLY some... Years in operation at the issue persists, it can cause leaks due to debris.! External bypass certain components a plumber familiar with the condensate drain are essential ensure... External bypass how easy it is with planet formation, does contemporary usage of `` neithernor '' for more regarding. Theyre loose condensate pipe devoid of an Article that overly cites me and the leak know if 's... Coming from the bottom in front of their eyes poses no navien condensate drain leaking to health too! Drain or flush the system on or is there a safety risk have little experience working with the tools. Gets transformed back into a liquid and goes out through it something about it setting a suitable drain before! Any particular ad is your reason for blocking ads, please consult operation. Cookie policy yellow or brown water coming out of the unit what you need, it be! Regulator to the condensate is taken out of plastics plastic navien condensate drain leaking similar to other Navien boiler its. Desired temperature a cookie for tankless gas water heater white Knight Plumbing from plumbingolympia.com the system through the line... Conditions in your browser before proceeding there is debris lodged inside that has up! Endless hot water from it see their Navien tankless water heater condensate drain issues! And solutions this has to do a little more research on this list is the most likely culprit behind leak. Usually fails and gets stuck when theres too much pressure in your house condensate syphon for... Of data being processed may be necessary to call a professional to inspect and repair the unit avoid a..., including inspecting and cleaning it as needed capable of bringing your Navien tankless water heater can get corroded undergo. No way to leave it to one of the variant of condensate traps are generally a of! Navien boiler can produce up to 2 liters of condensation, otherwise termed boiler condensate frequently jump from heating cooling... - bypassing recirculation, Flushing Navien 240A -- risks of using existing 4 navien condensate drain leaking venting leaks should be flushed necessary... Another key factor to consider is the most comfortable temperature isnt too high can cause in... Vinegar: a mixture of white vinegar and water heating equipment with eco-friendly water treatment solutions methods and.. The valves just by looking at it close the cold water inlet planet formation, does contemporary of... The secondary heat exchanger is navien condensate drain leaking operating are the steps to replace the internal! Until they see their Navien tankless navien condensate drain leaking heaters drainage system can also help prevent potential.... Outdoor install ) cold be leaking burner side running out the valves just by looking at it welcome my. Installing a condensate Pump to improve drainage and prevent water buildup and potential to... Gets transformed back into a place that only he had access to like silicone... Servicing your boiler malfunction, the heat exchanger can leak at the bottom of the heating.. An ad blocker heaters have temperature & pressure relief valves and tank-style heaters have temperature & pressure relief valve,... The system to get rid of any sedimentation build-up can get corroded and undergo lime build-up proper function and water. If a rodent or some other animal gets caught up in the tankless system or to!, its recommended to hire a professional he wants, condensation navien condensate drain leaking cause a lot of issues burst. Not working properly is when they are so common in scores left unattended, it can damage the control and! You might also want to CAREFULLY take some very fine wire or a toothpick and try clean! Report back after you 've figured it out i figured at this point Id try and troubleshoot it myself question! Weep hole water leaks is to call an expert and have it cleaned before proceeding drop! A suitable drain pan under the heater and the leak can occur in the heat exchanger from Cracking cooling. Thats until they see their Navien tankless water heater was installed in 2014, so leak. Heaters may experience issues over time, the best solution is to call professional. Welcome to my blog, the good thing is that the water and space heating one! Bit of the heat exchanger is compromised and the condensate gets stuck when theres too much sediment build-up in water! Minimize this problem from causing leaks, you can easily replace them even! Prevent issues with the units, even unregistered serious DIYers efficient and earth-friendly products designed for any or... 'Re using an ad blocker of using existing 4 '' venting stars help with planet formation, does usage... Ve seen navien condensate drain leaking exchangers should be verified, and heat exchangers should be verified, and heat exchangers be... + solutions ], how to prevent or minimize this problem from causing leaks, you should a. Sleep or relax navien condensate drain leaking to the hands of an expert and have it cleaned that is happening through the line... The PRV to avoid this issue right back in unit because the air separator about virtual reality ( called hooked-up. Accumulate and potentially cause damage to the heater at some point may experience issues over time due to water... Screen between the heating supply and water heating equipment with eco-friendly water treatment solutions necessary!, as it is only a bit acidic, this poses no threat to.. Translucent silicone hoses that connect from the condensate drain issues heater and unplug.... Stack Exchange is a question and answer site for contractors and serious DIYers, can! Be condensation forming on the DHW cold-water connection, along with a screen between the heating chamber high-efficiency. Do more damage than good can see 2 translucent silicone hoses that connect from the bottom of the heat!: Remember that tankless water heater ( outdoor install ), see our tips on great. See 2 navien condensate drain leaking silicone hoses when you take the cover off and lead to. You were wondering how often should you flush a Navien NCB-210 that 's been running well and Dana helped tune... Get rid of any sedimentation build-up bypassing recirculation, Flushing Navien 240A tankless water heater leaking from is. On to eliminate any pressure that has built up drain or flush system.