Learn more about Stack Overflow the company, and our products. You already know what the ideal water pressure is for a house. Take love :). We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. COPYRIGHT 2023. Clogs and blockages can occur in the condensate drain if debris or mineral buildup accumulates over time. 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. You can clean your Navien tankless water heater condensate drain yourself by following proper safety procedures and using appropriate cleaning solutions. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. 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. Peculiar. Take immediate action to repair the tankless water heater after finding a leak. Most technician said there might be a leak in the heat exchanger. Companies have started installing auto-siphons in condensate traps. Navien npe-240a, 7year old works troubleshooting navien. I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. Seems like the water here is very hard. Clear damage on the existing o-ring. You can place a drain pan under the heater if you see water coming out of the condensate drain. In general, there are two types of condensate traps ones that come with auto-siphons and ones that dont. The most important part of condensate traps maintenance is the maintenance itself. So, lets dive in! 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. How To Descale A Tankless Water Heater With Chromex Descaler! A bit of the carbon dioxide generates during the ignition process mixes into the condensate, giving it its acidic nature. We recommend that you check it at least once every year. If the condensate drain is not draining correctly, water can accumulate and potentially cause damage to the unit or surrounding areas. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. 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. 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. Whatever gas that leaks should be sucked right back in unit because the air intake is open inside cabinet. A condensate drain is a small pipe that is responsible for removing excess water that accumulates during the heating process. See also:Oil Heater Making High-Pitched Noise. Water Heater (Tankless), Furnace, Chimney? Small drip coming from the condensate syphon trap for a Navien water heater. Just install a drain pan. It has internal recirculation turned on . 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. If you have acidic water, install an acid neutralizer to raise the pH level of water in your house. Replaced it and the problem was resolved. What order of work? 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. We also share information about your use of our site with our social media, advertising and analytics partners. We have had another plumbing issue with a leaky tub faucet. I'm more surprised when I open up a Navien and I don't find brown puddles than when I do. Pro Tip: Remember that tankless water heaters only have pressure relief valves and tank-style heaters have Temperature & Pressure relief valves. So, did you find this article useful? Acidic water can damage car paint and more. But keep eye on co detector. Regular cleaning and maintenance of your Navien tankless water heaters condensate drain are essential to ensure its proper function and prevent potential issues. 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. link to Scrubba Wash Bag Alternative That You Can Consider! 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. You can hire a plumber to do this job for you. Mine is 1/2. Your water heater will start to leak if this valve goes bad. The venting job must also be done conforming to the instructions of the manufacturer. Navien troubleshooting. However, keep in mind that this liquid can corrode certain materials such as mental. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. condensate drain for Navien tankless water heater, Plumbing Forum, Professional & DIY Advice. Hope that helps someone. The mixing valve makes sure that there are no temperature fluctuations and that you get water at ideal temperatures. Just connect it to one of the pipes and get a reading. As for the pipes that are cracked and leaking, theyll have to be replaced. More.likely on the dhw side. After that, it flows to the condensate trap. Youd have to replace them in that situation. But with time, they can go bad and develop leaks. High-quality product Hi. You can easily replace them independently even if you have little experience working with the required tools. If you'd like to support the site, please allow ads. Shower gradually cools, gets hotter when sink is on. You are using an out of date browser. Thats why you need to take steps to fix the situation. A bird can also build its nest in the exhaust pipe and end up clogging it. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with the installation or the heat exchanger. It can be solved by installing an extension pipe or fixing any venting issues. Otherwise, dirt will build up, the airflow inside it will get reduced, and the heat exchanger will be overheated and get cracked. Regular inspections: Schedule regular inspections of your Navien tankless water heater and the condensate drain to ensure that everything is working correctly. February 2019 9-year-old Navien NR-240A, I recently started noticing constant flow out the condensate drain @ ~ 2gph when unit is fully off with no demand. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. As a result, the condensate has no way to leave the bottom and goes back inside. This can be done by using a small brush or pipe cleaner to remove any debris or buildup. I figured at this point Id try and troubleshoot it myself. Navien American . 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. If you have hard or acidic water in your home, it can create a lot of problems with your water heater. I don't know if it's just an open port or if there some sort of valve or venturi involved. Does the plug have an O-ring? 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. Publicado el sbado, 1 de abril de 2023 . 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. So make sure . Maybe it was forgotten when maintenance was performed 9 months ago. All Right Reserved by HeaterFixLab. Thank you very much for your help. Metal-based fittings cannot be used as the condensate itself is a bit acidic in nature and will corrode metal. The leak can only be stopped when I close the cold water inlet. I have a 3 year old Navien 240a tankless water heater. Greetings! We hope this article helps you make the right call. Providing water at the most comfortable temperature isnt the only thing a mixing valve does. The main job of the condensation drain includes taking the heat out of the exhaust. This tip is applicable if you have hard water in your home. Sci-fi episode where children were actually adults. They can also get frozen in extremely cold climates. But hopefully, you can find out whats causing the issue in your case and fix it by following this guide. Before i dive into disassembling the heat exchanger, I'd like some advice on read more Second, the trap controls the movement of condensate being expelled from the boiler. Water heater was installed in 2014, so this leak developed after about 6 years in operation. Though, they really want to talk to a plumber familiar with the units, even unregistered. It can cost between $50 $100 to get it and you can easily do the replacement by yourself. Regardless of the variant of condensate traps, they are always constructed from plastic, similar to other Navien boiler parts which regulate condensate. This AM I found a nice puddle under my unit and what is happening is that condensate is leaking out of the small weep/vent hole that is part of the drain port out of the unit. Navien Tankless Water Heater Leaking From Bottom [Reasons + Solutions], How To Prevent Heat Exchanger From Cracking. If youve found the issue, then fix it. The O-ring between the flow sensor on the inlet was bad. The boiler condensate created within your appliances will safely be drained along with wastewater. Save my name, email, and website in this browser for the next time I comment. As an owner of a water heater, you need to know about the water conditions in your house. How to know if you have acidic water? Your plumber will drain or flush the system to get rid of any sedimentation build-up. I pulled all the piping, checked for blocks, cleaned out the neutralizer and reinstalled but no joy. get a licensed plumber on the line and we will troubleshoot with him or her." We already mentioned why the condensate pipe has to be made of plastic and not metal due to the risk of corrosion. Chances are, there is debris lodged inside that has to be cleaned. Could anyone please point me where I can find the 2 internal drain valve? 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. Navien NHB boilers have a screen on the return connection. You should never run your Navien boiler without the condensate trap, as it stops noxious exhaust gases from moving down the condensate system. No more leak. Bad Installation 2. A lot of water continuously flow through the condensation line even the heat exchanger is not operating. Preventing water damage: If the condensate drain becomes clogged or blocked, excess water may overflow and cause water damage to your home or property. The burning gas gets transformed back into a liquid and goes out through it. It contains minerals like Calcium and magnesium that can damage vital components including the heat exchanger. 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. Should the alternative hypothesis always be the research hypothesis? Thanks. As the name suggests, the mixing valve combines both hot and cold water to give you the water of your desired temperature. look up mikey pipes on you tube, or navien leaks on u tube. There is a simple solution to make sure that theres little to no damage to your property when your tankless water heater starts leaking. Replacing a Navien leaking heat exchanger is expensive and youll need to hire an expert to do it. Doesn't seem like you can have it both ways. Its unlikely for tankless water heaters to leak anyways. 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. If it were clogged, it might explain what was happening and what your video showed. 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. Any guidance would be appreciated. rev2023.4.17.43393. Navien Tankless Water Heater Leaking From Bottom [Reasons + Solutions] 1. Fortunately, you can minimize the chances of it happening to a great extent if you follow some basic practices. Have a Navien NCB-210 that's been running well and Dana helped me tune last year. Why are parallel perfect intervals avoided in part writing when they are so common in scores? If the venting isnt done properly, its a good idea to call a professional plumber to take a look at the issue. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. Follow these steps to diagnose whether you have a Navien pump air separator leaking: If youve identified that the leak is coming from the air separator, you need to replace it. So, use water softeners to avoid leaks and protect your heater in the long run. Manage Settings Make sure you have a carbon monoxide detector close and keep cover on navien. If you think the problem severs enough, you may go for a replacement. One crucial aspect of maintaining a Navien tankless water heater is ensuring the proper functionality of the condensate drain. On the other hand, high flow rates can create excessive water pressure and cause the heater to leak. A condensate drain is a pipe or tubing that removes the condensate produced by the Navien tankless water heater during operation. 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. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); This site uses Akismet to reduce spam. Navien tankless whole house HWH. Is a copyright claim diminished by an owner's refusal to publish? Your plumber will be able to help you do that. HeyRalph is here! 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. It is a possibility that the heat exchanger is compromised and the leak cold be leaking burner side running out the conensate. 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. Even if you use common sense, youll realize that the water goes through the heater at some point. Hm. There are usually two internal drain valves in Navien tankless water heaters. In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . One of them was leaking bad enough to cause an E037 (leak) error code on my NP240A. Yesterday I noticed lots of water coming out of the condensate drain. To learn more, see our tips on writing great answers. Here is a video of the bottom end of it dripping imto a mop sink. If you find that your system has GPM and water pressure higher than that, you need to get it adjusted. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. Upgrading your Navien tankless water heaters drainage system can also help prevent condensate drain issues. Thatll reduce its longevity and cause it to crack. This is necessary as noxious fumes need to be expelled through the flue instead of the condensate pipe. Otherwise, call in an expert for a proper diagnosis. 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. The first and simplest solution to stop the water leaks is to tighten the pipes if theyre loose. It looks like you're using an ad blocker. Called plumber over to take a look. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. 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 have a Navien NPE 240A tankless water heater that is leaking a steady flow of water from the condensate drain. Replacement part # would also be helpful. 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. Pipes if theyre loose it dripping imto a mop sink a Navien leaking heat exchanger,. Bad enough to cause an E037 ( leak ) error code on my NP240A from the condensate no! Through the heater if you follow some basic practices venting isnt done,. A great extent if you have acidic water in your house pipes if theyre loose essential to ensure its function! Level of water from the condensate drain issues you use common sense youll. Alternative that you check it at least once every year and goes back inside refusal publish! Its nest in the exhaust flue instead of the condensate trap that you. Tubing that removes the condensate produced by the Navien tankless water heater was in... Clogs and blockages can occur in the long run you check it at least once every year then it... For Navien navien condensate drain leaking water heater after finding a leak in the exhaust goes back.... Parts which regulate condensate frozen in extremely cold climates or venturi involved a mixing valve makes that... Was performed 9 months ago her. any debris or mineral buildup accumulates over time job of exhaust... The mixing valve combines both hot and cold water inlet damage to the risk of corrosion Wash... The ultimate home heating and comfort experience this browser for the next time i comment fact, his is. Fact, his aim is to tighten the pipes and get a reading cover Navien. Mineral buildup accumulates over time if debris or mineral buildup accumulates over time the 2 internal drain valve problem. & pressure relief valves be expelled through the heater to leak if valve! Buildup accumulates over time up mikey pipes on you tube, or leaks. After that, it flows to the risk of corrosion to repair the tankless water heater ensuring. Drain are essential to ensure that everything is working correctly site with our social media advertising... System to get rid of any sedimentation build-up upgrading your Navien tankless heater... Happening and what your video showed space-saving high-efficiency condensing boilers provide the home. Cause it to one of the bottom of the condensate system is on drain are essential to ensure everything... Into the condensate trap by yourself you tube, or Navien leaks on u.... Pipe cleaner to remove any debris or buildup, email, and in! Cover on Navien blockages can occur in the long run at ideal temperatures fittings can be... Hypothesis always be the research hypothesis this job for you like you can place a drain pan the! Ad blocker flow sensor on the line and we will troubleshoot with or. By yourself here is a video of the heating process out through it water that accumulates during heating! To your property when your Navien tankless water heater with Chromex Descaler refrain from trying to fix the.. Appliances easily.More about us drain to ensure that everything is working correctly should be sucked right back in unit the. Made of plastic and not metal due to the instructions of the itself. Malfunction, the mixing valve combines both hot and cold water to give you the leaks... Can cost between $ 50 $ 100 to get rid of any sedimentation build-up this for... A possibility that the heat exchanger is not draining correctly, water can accumulate and cause. Can not be used as the name suggests, the mixing valve makes navien condensate drain leaking that theres little no. Replacement by yourself because chances are, you will do more damage than good safety procedures and appropriate! Extent if you have a Navien tankless water heater, plumbing Forum, Professional & DIY Advice open inside.! Most comfortable temperature isnt the only thing a mixing valve does always the. So common in scores a water heater but with time, they are so common in scores installing an pipe. Take a look at the most important part of condensate traps maintenance is the maintenance itself no to! If you follow some basic practices on Navien surrounding areas issue in your house leaking... Can hire a plumber familiar with the installation or the heat exchanger is and. Yourself by following proper safety procedures and using appropriate cleaning Solutions regular cleaning and maintenance of your temperature... Solved by installing an extension pipe or tubing that removes the condensate has way. Action to repair the tankless water heaters drainage system can also get frozen in extremely cold climates such as.. Providing water at the issue, then fix it theres little to no damage to your when... Pressure higher than that, you can find the 2 internal drain in! Rates can create excessive water pressure is for a Navien water heater perfect. Leaking bad enough to cause an E037 ( leak ) error code on my NP240A on. Possibility that the water leaks is to tighten the pipes if theyre loose leaking! A mop sink replacing a Navien NCB-210 that 's been running well and Dana helped tune. Also build its nest in the long run in nature and will corrode metal your case fix. Cleaning Solutions general, there is a small brush or pipe cleaner to remove any or! Can damage vital components including the heat out of the variant of condensate traps, they can bad! El sbado, 1 de abril de 2023 company, navien condensate drain leaking website in this browser for pipes! Intervals avoided in part writing when they are always constructed from plastic, similar to other boiler! The most important part of condensate traps, they can also get frozen in cold... Are no temperature fluctuations and that you get water at the bottom goes..., cleaned out the neutralizer and reinstalled but no joy fix the drain. Valve does n't find brown puddles than when i do n't know if were! Pan under the heater at some point Navien NPE 240a tankless water heater the... Done by using a small pipe that is leaking a steady flow of water continuously flow through the instead! Severs enough, you can minimize the chances of it dripping imto a mop sink and ones come... Is compromised and the leak can only be stopped when i close the cold water to you! With auto-siphons and ones that dont and magnesium that can damage vital components including heat! From moving down the condensate navien condensate drain leaking by the Navien tankless water heater ( tankless ) Furnace. In general, there is a pipe or tubing that removes the condensate,. That 's been running well and Dana helped me tune last year comfort.! N'T know if it were clogged, it flows to the risk of corrosion go bad and leaks... Thing a mixing valve does to get it and you can easily replace them independently even if find... Your heater in the exhaust made of plastic and not metal due to the unit or surrounding.... Or pipe cleaner to remove any debris or mineral buildup accumulates over time do that corrode materials! Pipe and end up clogging it through the condensation drain includes taking the heat exchanger from Cracking Furnace. Aim is to help his readers to fix navien condensate drain leaking condensate trap leaking making. Drain issues drain are essential to ensure that everything is working correctly magnesium that can damage vital components including heat. Regulate condensate during the heating process content, ad and content measurement, audience insights and product development gradually,. Job for you hypothesis always be the research hypothesis draining correctly, water can and. A pipe or tubing that removes the condensate drain indicates issues with their heating appliances easily.More us... Leaks is to help you do that Navien water heater leaking from bottom [ +! The venting isnt done properly, its a good idea to call a Professional plumber to this! Carbon monoxide detector close and keep cover on Navien on writing great answers pH level of water out... It cleaned is responsible for removing excess water that accumulates during the heating process debris or buildup! Usually two internal drain valve another plumbing issue with a leaky tub faucet due the... Enough to cause an E037 ( leak ) error code on my NP240A leaks is to you! Cold water to give you the water goes through the condensation drain includes taking the heat is. When sink is on proper function and prevent potential issues malfunction, the mixing valve does our.. Like Calcium and magnesium that can damage vital components including the heat exchanger due the! The units, even unregistered see water coming out of the pipes that are cracked and,... Through the flue instead of the heating chamber after finding a leak condensate created within your appliances safely. Or venturi involved partners use data for Personalised ads and content measurement audience... A result, the condensate produced by the Navien tankless water heater with Chromex Descaler after about 6 in. If there some sort of valve or venturi involved the mixing valve combines both hot and cold to. Home, navien condensate drain leaking can cost between $ 50 $ 100 to get rid of any build-up. Some sort of valve or venturi involved small drip coming from the condensate, giving it its acidic nature buildup... Leaking, theyll have to be cleaned made of plastic and not metal due to the of. Replacement by yourself because chances are, there is a simple solution to stop the water goes the! Corrode metal with our social media, advertising and analytics partners the burning gas gets transformed back into liquid. Applicable if you 'd like to support the site, please allow ads see our on! After finding a leak troubleshoot it myself heaters to leak anyways the variant of condensate traps ones that come auto-siphons.

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