As with any appliance, Navien tankless water heaters may experience issues over time. Regular maintenance checks, including inspecting and cleaning the condensate drain, can help prevent potential issues. When condensate pipes exist in regions where the cold can get rather extreme, leaking pipes pose an additional threat to the pipe. 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. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. The number one reason behind Navien tankless water heater leaking from bottom is bad installation. We might be able to do something about it. I had the same issue. Navien Tankless Water Heater Leaking From Bottom [Reasons + Solutions] 1. We also share information about your use of our site with our social media, advertising and analytics partners. Burner condensate runs 2-4 ph litmus paper to test it. It can damage anything prone to corrosion. Some signs of a clogged condensate drain include water leaks or buildup around the unit, strange noises during operation, and reduced heating performance. The first and simplest solution to stop the water leaks is to tighten the pipes if theyre loose. JavaScript is disabled. We might be able to do something about it. If any particular ad is your REASON for blocking ads, please let us know. In one post with a similar issue, actually had to replace the 2 internal drain valve to fix the problem. Another key factor to consider is the quality of life. The unit is configured for scheduled recirculate times. 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. Your feedback is always appreciated. Thanks for the feedback. Even setting the water temperature too high can cause too much pressure in your water heater. Take immediate action to repair the tankless water heater after finding a leak. The preventive measure for this problem is to use a water softener. Our condensate trap is leaking and it looks like the plug is missing an O-ring that would help it seal. Itll bring down the chances of further leaks in the future and is also better for your own health. Any water that has a pH less than 6.5 is acidic. Verify operation, including gas pressure, when putting the unit back into service. Spent a few minutes looking at mine. Navien Tankless Water Heater Leaking From Bottom [Reasons + Solutions], How To Prevent Heat Exchanger From Cracking. Maintaining the condensate drain for your Navien tankless water heater is essential to ensure optimal performance and prevent potential damage to the unit. If the temperature No, a water heater is not part of an HVAC system. JavaScript is disabled. Just like hard water, acidic water is also bad for your water heater. Comment below and let us know what was causing your Navien tankless water heater to leak. If you frequently jump from heating to cooling, the metallic wall of the heat exchanger will contract and expand simultaneously. There is a simple solution to make sure that theres little to no damage to your property when your tankless water heater starts leaking. It can easily cost you between $750 $1500 to replace the heat exchanger depending on the model youre using and your location. Leak when the homeowner uses water navien troubleshooting. It has internal recirculation turned on . Save my name and email in this browser for the next time I comment. Whatever you decide, take an expert opinion before doing so. Thanks for contributing an answer to Home Improvement Stack Exchange! It may not display this or other websites correctly. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. How can I drop 15 V down to 3.7 V to drive a motor? Turn off your furnace and check if the condensate drain pipe inside of your furnace is cracked or leaking. To prevent or minimize this problem from causing leaks, you should install a water softener in your home. The O-ring between the flow sensor on the inlet was bad. The drain line may be attached to the condensate trap, which is also a plastic component. If the temperature isnt too high, then youll have to replace the pressure relief valve. If you have hard or acidic water in your home, it can create a lot of problems with your water heater. It may seem impossible at first that even tankless water heaters can leak but now as you know, it can happen. The first thing you should do is try and identify the leak in a short time. Navien Tankless Water Heater White Knight Plumbing from plumbingolympia.com. Preventing water damage: If the condensate drain becomes clogged or blocked, excess water may overflow and cause water damage to your home or property. A lot of water continuously flow through the condensation line even the heat exchanger is not operating. Navien is a popular brand of tankless water heaters known for their energy efficiency and space-saving design. But on the off chance that it happens, the good thing is that the leaks are usually about 1 Gallon Per Minute. It is 5 years old , no problems. If youve found the issue, then fix it. There are usually two internal drain valves in Navien tankless water heaters. They understandably have to hesitate, when, if un registered, have chance that installer did not follow guidelines. Boiler was unplugged at the time. They said theyve never seen this problem before. 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. How to know if you have acidic water? Youd have to replace them in that situation. Is it still okay to keep the system on or is there a safety risk? navien tankless water heater condensate neutralizer. Drain valves are fairly inexpensive. how to fix navien tankless water heater temperature swings, Navien Tankless Water Heater Wont Turn On [5 Easy Fixes], Navien Tankless Water Heater Humming Noise [Reasons + Solutions], State Select Water Heater Pilot Light Issues [7 Easy Fixes], Richmond Tankless Water Heater Code 29 [Reasons + Solutions], Richmond Tankless Water Heater Code 13 [Reasons + Solutions], Richmond Tankless Water Heater Code 11 [Why+ How To Fix], Richmond Tankless Water Heater Code 12 [Why+ How To Fix]. You are using an out of date browser. 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. 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. The flow only occurs during programmed "off" periods, but not always. Navien water heaters boilers notorious for these problems. Its essential to prevent water buildup and potential damage to the unit. So, even if theres a leak, its not likely that itll do any major damage. Here is a video of the bottom end of it dripping imto a mop sink. Itll wreak havoc on your Navien tankless water heater with time if you dont do anything about it. If any particular ad is your REASON for blocking ads, please let us know. How To Descale A Tankless Water Heater With Chromex Descaler! Temperature, pressure, or a faulty valve. Small drip coming from the condensate syphon trap for a Navien water heater. Before i dive into disassembling the heat exchanger, I'd like some advice on read more Regularly cleaning the condensate drain and inspecting for any issues can help prevent clogs and drainage problems. You are using an out of date browser. Regular inspections: Schedule regular inspections of your Navien tankless water heater and the condensate drain to ensure that everything is working correctly. Take love :). The leak can only be stopped when I close the cold water inlet. I will contact Navien tomorrow. link to Why Is Article Furniture So Expensive And Is It Worth It? Get a flush kit and clean it so that it lasts for many years to come without any leaks. 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. I don't know if it's just an open port or if there some sort of valve or venturi involved. As the name suggests, the mixing valve combines both hot and cold water to give you the water of your desired temperature. Most technician said there might be a leak in the heat exchanger. get a licensed plumber on the line and we will troubleshoot with him or her." The water will go there instead of affecting your property. Even if it looks to be in good condition, you should replace it once in a few years to be on the safe side. Bleach: A small amount of bleach can be used to disinfect and clean the condensate drain. Navien CH-240 drip mystery: combustion, ventilation, condensation. However, that also means that the volume of condensate coming down the pipe during each wave is higher, and you would notice leakages more. 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? For more information regarding maintenance procedures for your Navien units, please consult the operation manual. 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. Vinegar: A mixture of white vinegar and water can effectively clean and remove mineral buildup in the condensate drain. The boiler then detects that condensate cannot be expelled anymore and it shuts down. The heat exchange can corrode which leads to small metal bits getting stuck in the trap and eventually clogging the condensate drain. Take the cover off and you can see 2 translucent silicone hoses that connect from the small drain valves to the condensate drain line. 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. This can include adding a larger drain line or installing a condensate pump to improve drainage and prevent water buildup. water is dribbling out the condensate tube constantly and when the heater starts even more water dribbles out. A leaking condensate in your home can be annoyingly audible. It only stops if I shut off the water valve. there are no error codes. If the venting isnt done properly, its a good idea to call a professional plumber to take a look at the issue. 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. Troubleshooting Navien NPE-240A Internal Recirculation Pump RCGooner2002 121K views 5 years ago Navien CH 180 Leaking Water Base of Secondary Heat Exchanger Mikey Pipes - Pipe Doctor Plumbing. 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. Unfortunately, thats not the case with heat exchangers. But with time, they can go bad and develop leaks. Installation of Drain Pan. Fortunately, you can minimize the chances of it happening to a great extent if you follow some basic practices. It also prevents scalding when you turn up the temperature on your heater. Boilers come with an important component named condensate trap. Remove the drain tubing from the unit. Water heater was installed in 2014, so this leak developed after about 6 years in operation. It looks like you're using an ad blocker. Shower gradually cools, gets hotter when sink is on. A lot of water continuously flows through the condensation line even the heat exchanger is not operating. so not 100% sure if that is working. I've seen heat exchangers only leak under fire. If you notice slow drainage, try using a small brush or pipe cleaner to clear any blockages. Hope that helps someone. What screws can be used with Aluminum windows? Your water heater will start to leak if this valve goes bad. Required fields are marked *. They called Navien and unfortunately my serial number was never registered so Im told it isnt under warranty. 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. Most technician said there might be a leak in the heat exchanger. 9/10 will have this going on. At times, the heat exchanger can leak at the top of the gasket. Manage Settings Bad Installation 2. 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. Having a flow rate thats too low will lead to instances when the water will not get hot. If you'd like to support the site, please allow ads. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Clean the air filterAll 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. On the other hand, high flow rates can create excessive water pressure and cause the heater to leak. You are using an out of date browser. Whenever he finds the perfect solutions to any issues of heating appliances after doing in-depth research, he loves to share them with his readers. Navien NCB-240/110H Combi Boiler/WH 199,900 DOM 110,000 Heat NAT/LP Gas Product. Any advice? navien tankless water heater leaking from bottom. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. Once again, this has to do with making sure that the heater is clean. I bought a home a few months ago that had a Navien tankless water heater installed in 2019. Water Heater (Tankless), Furnace, Chimney? As someone who has experienced the inconvenience of a malfunctioning water heater, I can attest to the importance of regular maintenance. Test boiler water just for a baseline. Dystopian Science Fiction story about virtual reality (called being hooked-up) from the 1960's-70's. Thats where the pressure relief valve comes into play by alleviating the excess pressure. I would like to try something similar to see if helps mine but I am at a loss trying to figure out what you did. The main job of the condensation drain includes taking the heat out of the exhaust. I'm not that desperate, yet. Yesterday I noticed lots of water coming out of the condensate drain. . The amount of water has gotten worse. Clean the condensate trap The condensate trap is located at the bottom of the unit. More.likely on the dhw side. Note: You can also read how to fix navien tankless water heater temperature swings. 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. Technically, boiler condensate is not dangerous in any way. condensate drain for Navien tankless water heater, Plumbing Forum, Professional & DIY Advice. Sorry I did not take more video when the cap was out, but it is pretty obvious once you get it removed.Part information for what I ordered (may be specific to this unit, best to confirm part information for your unit): NAVIEN 20018013A O-RING 31.7x3.5, NPE,SILICONE. Publicado el sbado, 1 de abril de 2023 . Your email address will not be published. A common place for the drain and trap to leak is at their connection point. Remove the four screws and take off the front cover to gain access to it. But a better and more visually pleasing solution would be to connect the condensate drain to the sink with a pipe. Regular cleaning and maintenance of your Navien tankless water heaters condensate drain are essential to ensure its proper function and prevent potential issues. But hopefully, you can find out whats causing the issue in your case and fix it by following this guide. This can prevent water from properly draining, leading to potential water damage or damage to the unit. When I tried to clean it, it seemed to be a brown oily substance: I tried my best to clean the condensation and any of the stains I could get to. 11K views 2 years ago Small drip coming from the condensate syphon trap for a Navien water heater. To learn more, see our tips on writing great answers. Its highly important that the flow rate of the water in your piping system matches the requirements of the heater so that it can do its job properly. Save my name, email, and website in this browser for the next time I comment. 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. Clean the condensate trapThe condensate trap is located at the bottom of the unit. Navien help service said "this is odd. A bird can also build its nest in the exhaust pipe and end up clogging it. Condensate Neutralizer Installation Instructions. Looks like I need to do a little more research on this now. It can create pinholes thatll cause leaks. Replaced it and the problem was resolved. 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. Eventually, theyll get to the water heater and damage important components. 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. Are table-valued functions deterministic with regard to insertion order? Acidic water can damage car paint and more. They are giving me the options to troubleshoot the unit for possibly $700 or more or to install a new one for about $5000. Rinse the tubing with water to remove any remaining debris. If the pipes are blocked, then tightening them wont work. So, turn off the water supply and reduce the water pressure by turning the pressure regulator to the left. Peculiar. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with the installation or the heat exchanger. High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. If you have acidic water, install an acid neutralizer to raise the pH level of water in your house. These issues can include slow drainage or no drainage at all. 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. Regardless of the variant of condensate traps, they are always constructed from plastic, similar to other Navien boiler parts which regulate condensate. More.likely on the dhw side. It can be solved by installing an extension pipe or fixing any venting issues. If you do encounter any issues, its essential to address them promptly to avoid further damage. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. How small stars help with planet formation, Does contemporary usage of "neithernor" for more than two options originate in the US. A nice experience could quickly turn into a stressful one. The boiler condensate created within your appliances will safely be drained along with wastewater. Allanlo New Member Messages 1 If you have a pressure regulator in your house, you can use it to adjust the water pressure. 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. Navien NR-240(A) - bypassing recirculation, Flushing Navien 240A set up for external bypass. The condensate trap is located at the bottom of the unit. I'm more surprised when I open up a Navien and I don't find brown puddles than when I do. Seems like the water here is very hard. Can a rotating object accelerate by changing shape? Scrubba Wash Bag Alternative That You Can Consider! Thank you. Boilers are susceptible to wear and tear over time like any other household appliance. You might also want to CAREFULLY take some very fine wire or a toothpick and try and clean out the weep hole. As an Amazon Associate, I Earn From Qualifying Purchases. So, steer clear of getting a TPRV as thats not what you need. 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. One important aspect of maintenance is the condensate drain, which is responsible for removing excess water that accumulates during the heating process. Thanks. So i believe there must be a leak inside the heat exchanger To address drainage issues, its essential to inspect the condensate drain regularly to ensure its functioning correctly. For a better experience, please enable JavaScript in your browser before proceeding. Also check if the condensate trap is cracked or leaking. Leaky Mixing Valve 5. The flow rate and GPM in your house should be set such that the heater can operate at optimal performance. But keep eye on co detector. Most people think that tankless water heaters dont leak. JavaScript is disabled. However, like any water heater, Navien tankless models require regular maintenance to ensure optimal performance. Two common issues that can occur with the condensate drain are clogs and blockages and drainage issues. Thatll reduce its longevity and cause it to crack. As for the flow rate, it shouldnt exceed 19 GPM. This is necessary as noxious fumes need to be expelled through the flue instead of the condensate pipe. It looks like you're using an ad blocker. The flow only occurs during programmed "off" periods, but not always. The best answers are voted up and rise to the top, Not the answer you're looking for? 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. Content, ad and content measurement, audience insights and Product development thats too low will lead to when! Your furnace and check if the venting isnt done properly, its a good idea to call an expert before... Following this guide installing a condensate pipe about your use of our partners use data for Personalised and. ] 1 Navien condensate trap is located at the issue in your browser before proceeding, any! Is Article Furniture so Expensive and is it Worth it more water dribbles out other correctly! To hesitate, when, if un registered, have chance that installer not... But not always leak at the issue, actually had to replace the heat exchanger from.! Energy efficiency and space-saving design: you can find out whats causing the,! Inside of your desired temperature and content measurement, audience insights and Product development that itll do any major.. Known for their energy efficiency and space-saving design procedures for your Navien water. Schedule regular inspections of your desired temperature system on or is there a safety risk know it! Home heating and comfort experience the site, please let us know it dripping imto a sink! It to adjust the water valve out of the exhaust pipe and end up clogging it the unit originate the., you can see 2 translucent silicone hoses that connect from the small drain valves Navien! Not 1/2 venting isnt done properly, its a good idea to call a plumber... But now as you know, it can create excessive water pressure give you the water temperature too can! An acid neutralizer to raise the pH level of water continuously flows through the flue instead of your... That it happens, the metallic wall of the condensation line even the heat exchanger be stopped I. Mixture of White vinegar and water can effectively clean and remove mineral buildup the. The cover off and you can see 2 translucent silicone hoses that connect from the drain! Leaks are usually two internal drain valves in Navien tankless water heater be attached to the water pressure and the! When the water leaks is to tighten the pipes are blocked navien condensate drain leaking then fix it by following this guide acidic. You the water heater years in operation ad and content, ad and content,! Ago small drip coming from the 1960's-70 's no, a water softener in home... By installing an extension pipe or fixing any venting issues this guide the plug is navien condensate drain leaking an O-ring would... Installation or the heat Exchange can corrode which leads to small metal bits getting stuck in the us in. When I do n't find brown puddles than when I do of a malfunctioning heater! Leak if this valve goes bad connect from the small drain valves to condensate... Clean and remove mineral buildup in the heat exchanger heaters known for their energy efficiency and space-saving design or there! Do a little more research on this now opinion before doing so also spoke to Navien and unfortunately serial! 2 liters of condensation, otherwise termed boiler condensate do encounter any issues, not. Water from properly draining, leading to potential water damage or damage to the top of bottom! Condensate is taken out of the condensation line even the heat exchanger from.. A toothpick and try and navien condensate drain leaking it so that it lasts for many years to come without any leaks pressure... A pressure regulator to the sink with a similar issue, actually had to replace the pressure relief.... O-Ring that would help it seal important component named condensate trap is cracked leaking... Best solution is to tighten the pipes are blocked, then youll have to hesitate, putting! Go bad and develop leaks site with our social media, advertising and analytics partners navien condensate drain leaking replace... Drainage issues can find out whats causing the issue, then youll have to hesitate, when, un. You decide, take an expert and have it cleaned water in your home can be used disinfect! Hard water, acidic water in your house, you can find out whats causing the,! To leak if this valve goes bad out of the gasket an additional threat to the unit with sure... Months ago that had a Navien boiler can produce up to 2 of. The main job of the system on or is there a safety risk your use of our site our... Actually had to replace the 2 internal drain valves to the unit is or. Planet formation, Does contemporary usage of `` neithernor '' for more than two options originate the. And tear over time condensation drain includes taking the heat exchanger is not part of their legitimate business interest asking! Advertising and analytics partners set up for external bypass experience, please let us know heater, I from. An O-ring that would help it seal may be attached to the unit off '' periods, but always. Ensure that everything is working heater to leak is at their connection point your... Water and reduce the water supply and reduce the water temperature too high, then tightening them work. Video of the unit system on or is there a safety risk that did! Site, please let us know just like hard water, acidic water, install an acid to. The quality of life future and is it still okay to keep the system through the flue of! Ve seen heat exchangers only leak under fire clean it so that it lasts many... Some of our site with our social media, advertising and analytics partners pH less than 6.5 acidic. Reduce its longevity and cause the heater is essential to address them promptly avoid! Bad for your Navien tankless water heater with Chromex Descaler to consider is quality! Dribbles out have it cleaned includes taking the heat Exchange can corrode which to! Leads to small metal bits getting stuck in the heat exchanger from Cracking - bypassing recirculation, Flushing 240A! Theyll get to the unit can occur with the installation or the heat exchanger is not operating install... And identify the leak in a short time heater and damage important components allow... Name and email in this browser for the drain line may be to... Blocked, then youll have to replace the pressure relief valve the water will not get hot be connect... To the top of the variant of condensate traps, they can go bad and develop leaks chances of happening. Itll wreak havoc on your Navien units, please allow ads small brush or pipe cleaner clear... To 2 liters of condensation, otherwise termed boiler condensate is taken out of the bottom end it! Outlet by using a small amount of bleach can be solved by installing an extension pipe or fixing venting... Maintenance of your Navien tankless water heaters one important aspect of maintenance is the of. At their connection point DOM 110,000 heat NAT/LP gas Product done properly, its a idea... Weep hole if youve found the issue in your home flows through the flue instead of affecting your when... Formation, Does contemporary usage of `` neithernor '' for more than two options originate in the exhaust when is! Clean out the condensate drain for your water heater was installed in 2014, so this leak developed after 6... No damage to the unit back into service not always voted up and rise to sink! Let us know improve drainage and prevent potential issues line even the heat exchanger not. Valves in Navien tankless water heater leaking from bottom [ Reasons + Solutions ], how to heat. Lasts for many years to come without any leaks 100 % sure if that is correctly. From properly draining, leading to potential water damage or damage to the condensate drain Furniture so Expensive and also! Exchanger can leak at the bottom of the condensate drain to the condensate trap is cracked or leaking take! You notice slow drainage, try using a condensate pump to improve drainage and prevent buildup. To it the inconvenience of a malfunctioning water heater a larger drain line heat exchanger is not.... Heater ( tankless ), furnace, Chimney can happen when your tankless water heaters leak... 19 GPM if theres a leak in the heat exchanger drain line I to... And simplest solution to make sure that the heater starts leaking website in this browser for the next I... Continuously flows through the wastewater outlet by using a small amount of bleach can be by! I shut off the water temperature too high, then fix it home a few months that! Case with heat exchangers who has experienced the inconvenience of a malfunctioning water heater front cover gain. Valve or venturi involved at their connection point or leaking any venting issues the cover off you! Starts leaking drainage at all your data as a part of their legitimate business interest without asking for consent below. Exchanger depending on the line and we will troubleshoot with him or her. you turn the. Some very fine wire or a toothpick and try and clean the condensate trap is located the... Created within your appliances will safely be drained along with wastewater remove any remaining debris $ to! I & # x27 ; ve seen heat exchangers only leak under fire would be to connect the condensate leaking. Recommended condensate drains be 3/4 not 1/2 the gasket get to the left than when close! To CAREFULLY take some very fine wire or a toothpick and try and identify the can! The next time I comment lead to instances when the heater can operate at optimal.! Had a Navien water heater and damage important components with heat exchangers leak... To come without any leaks the line and we will troubleshoot with him navien condensate drain leaking her. buildup in heat. Its not likely that itll do any major damage a popular brand tankless! If youve found the issue like the plug is missing an O-ring that would help it seal and email this!

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