The venting job must also be done conforming to the instructions of the manufacturer. 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. Bleach: A small amount of bleach can be used to disinfect and clean the condensate drain. Flush waterwaysOn water heaters and the DHW side of the combi-boilers, flushing is done using a pump to circulate a flush solution through the heat exchangers. Replaced it and the problem was resolved. Scrubba Wash Bag Alternative That You Can Consider! We and our partners use cookies to Store and/or access information on a device. You must log in or register to reply here. Watching this less than 2 minutes video will explain the reason and fix it. If it were clogged, it might explain what was happening and what your video showed. The main job of the condensation drain includes taking the heat out of the exhaust. Mine is 1/2. This can include adding a larger drain line or installing a condensate pump to improve drainage and prevent water buildup. If you dont maintain your water heater properly, rust can accumulate and damage many components including the heat exchanger. They understandably have to hesitate, when, if un registered, have chance that installer did not follow guidelines. Just like hard water, acidic water is also bad for your water heater. Turn off the power supply to the Navien tankless water heater. the only task you can attempt on this list is the gasket replacement for the leaking water connection. The boiler condensate created within your appliances will safely be drained along with wastewater. More.likely on the dhw side. 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. 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. I've seen heat exchangers only leak under fire. You must log in or register to reply here. COPYRIGHT 2023. Stuck Drain Valve 9. get a licensed plumber on the line and we will troubleshoot with him or her." link to Why Is Article Furniture So Expensive And Is It Worth It? It has internal recirculation turned on . 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. Well also discuss how to prevent tankless water heaters from leaking in the first place and much more. To learn more, see our tips on writing great answers. Navien 240A -- risks of using existing 4" venting? I had the same issue. The flow rate and GPM in your house should be set such that the heater can operate at optimal performance. So make sure . Article furniture is convenient but expensive. 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. 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. We might be able to do something about it. I'm more surprised when I open up a Navien and I don't find brown puddles than when I do. Take immediate action to repair the tankless water heater after finding a leak. Chances are, there is debris lodged inside that has to be cleaned. It looks like you're using an ad blocker. As an Amazon Associate, I Earn From Qualifying Purchases. It only takes a minute to sign up. High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. Save my name and email in this browser for the next time I comment. Protect your water supply and your water heating equipment with eco-friendly water treatment solutions. The number one reason behind PRVs not working properly is when they get stuck due to corrosion or the build-up of rust. The inlet pipe supplies cold water to the heater and the outlet pipe transfers the hot water from it. But keep eye on co detector. 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. I am having the same issue. It may not display this or other websites correctly. The most important part of condensate traps maintenance is the maintenance itself. 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. What should you do immediately when you notice the water heater leaking? However, that also means that the volume of condensate coming down the pipe during each wave is higher, and you would notice leakages more. However, keep in mind that this liquid can corrode certain materials such as mental. For those not familiar with it, it might be helpful to include the installation/owner's manual and/or a picture or two of your unit. The flow only occurs during programmed "off" periods, but not always. So, turn off the water supply and reduce the water pressure by turning the pressure regulator to the left. First, a barrier is formed between the combustion areas and the condensate pipe by the water. Installation of Drain Pan. Drainage issues can also occur with Navien tankless water heater condensate drains. HeyRalph is here! I have a Navien NPE 240A tankless water heater that is leaking a steady flow of water from the condensate drain. If the leak stops now, youve solved the main issue that was causing it. Two common issues that can occur with the condensate drain are clogs and blockages and drainage issues. Regular cleaning and maintenance of your Navien tankless water heaters condensate drain are essential to ensure its proper function and prevent potential issues. Test boiler water just for a baseline. Leaky Mixing Valve 5. If you find your Navien tankless leaking from the condensate drain, theres a good chance that your heat exchanger is cracked and causing it. Efficient and earth-friendly products designed for any size home. When I change the circulate program to include current time and circulation begins, the flow out the condensate drain line stops - and does not restart (at least promptly) when the circulation stops. Providing water at the most comfortable temperature isnt the only thing a mixing valve does. They always have relief valves. Its unlikely for tankless water heaters to leak anyways. How to add double quotes around string and number pattern? When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. Regardless of the variant of condensate traps, they are always constructed from plastic, similar to other Navien boiler parts which regulate condensate. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. Burner condensate runs 2-4 ph litmus paper to test it. Maintaining the condensate drain for your Navien tankless water heater is essential to ensure optimal performance and prevent potential damage to the unit. With time, the water heater can get corroded and undergo lime build-up. While a fairly quick and inexpensive job, this cannot be done by anyone except an expert. Looks like I need to do a little more research on this now. 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. It may not display this or other websites correctly. Make sure you have a carbon monoxide detector close and keep cover on navien. Navien tankless water heaters & boilers for residential and commercial applications use innovative high efficiency technology to provide a comfortable environment. Faulty Air Separator How To Prevent Heat Exchanger From Cracking FAQs: 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. Itll wreak havoc on your Navien tankless water heater with time if you dont do anything about it. link to Scrubba Wash Bag Alternative That You Can Consider! At times, the heat exchanger can leak at the top of the gasket. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. 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. Inlet & Outlet Pipe Issues 6. Verify operation, including gas pressure, when putting the unit back into service. The best answers are voted up and rise to the top, Not the answer you're looking for? Most technician said there might be a leak in the heat exchanger. It could be in the heat exchanger or it could be somewhere else, but if it's constantly dribbling there's a leak somewhere. But, as it is only a bit acidic, this poses no threat to health. So, even if theres a leak, its not likely that itll do any major damage. We have had another plumbing issue with a leaky tub faucet. In general, there are two types of condensate traps ones that come with auto-siphons and ones that dont. If the venting isnt done properly, its a good idea to call a professional plumber to take a look at the issue. The first thing you should do is try and identify the leak in a short time. You should never run your Navien boiler without the condensate trap, as it stops noxious exhaust gases from moving down the condensate system. Allanlo New Member Messages 1 document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); This site uses Akismet to reduce spam. Why are parallel perfect intervals avoided in part writing when they are so common in scores? Navien NHB boilers have a screen on the return connection. But with time, they can go bad and develop leaks. Clogs and blockages can occur in the condensate drain if debris or mineral buildup accumulates over time. A condensate drain is a pipe or tubing that removes the condensate produced by the Navien tankless water heater during operation. Just looked at one today and had the same issue of the oily residue. Before Ask an Expert Home Improvement Questions HVAC Questions Patrick, Handyman Satisfied Customers Patrick is online now Related HVAC Questions Troubleshooting navien. You have to make sure your Navien boiler receives servicing regularly in compliance with the manufacturers guidelines. When condensate pipes exist in regions where the cold can get rather extreme, leaking pipes pose an additional threat to the pipe. Make sure the gas supply is off and switch off all water supplies. You are using an out of date browser. Water Heater (Tankless), Furnace, Chimney? I think an air gap of some sort is in order. A lot of water continuously flows through the condensation line even the heat exchanger is not operating. A condensate drain is a small pipe that is responsible for removing excess water that accumulates during the heating process. If the plumber throws that to the wind and does the venting however he wants, condensation can cause leaks in the water heater. Okay to use cold water drain valve on tankless gas water heater as a spigot? There was defintley some backpressure of some sort and the vent eliminated it. You can easily check if the water pressure in your house if you have a pressure gauge. If the condensate drain is not draining correctly, water can accumulate and potentially cause damage to the unit or surrounding areas. Before the condensate is expelled through the condensate pipe, the water is accumulated in the sump of the boiler. Boilers come with an important component named condensate trap. We receive monetary benefits in return for showing ADs on this website at no cost to you. I figured at this point Id try and troubleshoot it myself. Could anyone please point me where I can find the 2 internal drain valve? Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. Upgrading the drainage system, such as installing a condensate pump, can also improve drainage and prevent water buildup. A condensate pipe devoid of an auto-siphon may be shaped like a U.. 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. 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. The floor beneath the unit was a little wet too but whatever caused that bit of moisture has seemed to have stopped. If you'd like to support the site, please allow ads. This can prevent water from properly draining, leading to potential water damage or damage to the unit. 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. They said theyve never seen this problem before. In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . I dont know where to start though. condensate drain for Navien tankless water heater, Plumbing Forum, Professional & DIY Advice. Another key factor to consider is the quality of life. You do not have to be concerned about that. But hopefully, you can find out whats causing the issue in your case and fix it by following this guide. Sci-fi episode where children were actually adults. I also notice some water and rusting at the back left corner, near the water outlet point: Itll bring down the chances of further leaks in the future and is also better for your own health. rev2023.4.17.43393. But, it if were clogged, why would condensate be leaking out of it? Some signs of a clogged condensate drain include water leaks or buildup around the unit, strange noises during operation, and reduced heating performance. Clean the inlet water screensAll Navien tankless water heaters have water screens on the cold water inlet, and the NPE-Advanced models have an additional screen on the recirculation inlet. But if you feel comfortable taking it on yourself, here are the steps to replace it: Thats how easy it is. . Your water heater will start to leak if this valve goes bad. Save my name, email, and website in this browser for the next time I comment. Anyone have an idea ? First off, Navien tech will provide support, even out of warranty. Regular maintenance checks and drainage system upgrades can also prevent issues with your Navien tankless water heater condensate drain. Its essential to prevent water buildup and potential damage to the unit. We already mentioned why the condensate pipe has to be made of plastic and not metal due to the risk of corrosion. Doing any mistake in the installation can cause gas leaks and lead to a whole world of problems. Otherwise, dirt will build up, the airflow inside it will get reduced, and the heat exchanger will be overheated and get cracked. Seems like the water here is very hard. Unlike traditional water heaters that store hot water in a tank, Navien tankless water heaters heat water on demand, providing an endless supply of hot water. I thought it was really weird, but did not find a reason for it. 9/10 will have this going on. Here is a video of the bottom end of it dripping imto a mop sink. 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. No more leak. Your email address will not be published. For more information regarding maintenance procedures for your Navien units, please consult the operation manual. Look up pipe doctor on YouTube, you wills see why that is happening. One of the reasons that could lead to your Navien tankless water heater leaking is a stuck drain valve. If you notice slow drainage, try using a small brush or pipe cleaner to clear any blockages. But the water flowing out the condensate drain is continuous. It only stops if I shut off the water valve. Unfortunately, thats not the case with heat exchangers. The first and simplest solution to stop the water leaks is to tighten the pipes if theyre loose. Whatever you decide, take an expert opinion before doing so. All the specs line up on the valves (150 PSI), in fact the new one has a higher BTU/HR rating by a long shot (500,000 old vs 934,000 new). Replaced it and the problem was resolved. The water will go there instead of affecting your property. Thanks. NR-240A-NG // Low pressure output, not heating, Error Code 38E. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. Once youre happy with the water pressure, you can stop adjusting. Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. An example of data being processed may be a unique identifier stored in a cookie. In the toilet or sinks case, however, it is to prevent bad sewer odor from entering your home. Save my name, email, and website in this browser for the next time I comment. Asking for help, clarification, or responding to other answers. Boiler water quality should be verified, and heat exchangers should be flushed as necessary. Dystopian Science Fiction story about virtual reality (called being hooked-up) from the 1960's-70's. Water heater was installed in 2014, so this leak developed after about 6 years in operation.. Posted on April 9, 2023 by April 9, 2023 by They are giving me the options to troubleshoot the unit for possibly $700 or more or to install a new one for about $5000. What order of work? This tip is applicable if you have hard water in your home. What screws can be used with Aluminum windows? navien tankless water heater condensate neutralizer. When you replace the trap, ensure that the o-ring is correctly in place. If the condensate trap does not require cleaning, the heating engineer will take it out, thoroughly rinse it, and refill it before refitting it. Boiler was unplugged at the time. So, dont do it yourself. Youll no longer have to see water dripping that way. I have a Navien NPE 240A tankless water heater that is leaking a steady flow of water from the condensate drain. It also prevents scalding when you turn up the temperature on your heater. Thank you very much for your help. Here are our top tips to make sure that your tankless water heaters dont start leaking anytime soon: When you ignore installing the tankless water heater as per the instructions of the manufacturer, making mistakes becomes inevitable. Navien CH-240 drip mystery: combustion, ventilation, condensation. Locate the condensate drain and remove the cover. Thats until they see their Navien tankless water heater leaking from the bottom in front of their eyes. High-quality product Hi. 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. Strange. Unscrew the old pressure relief valve and put the new one in its place. Otherwise, call in an expert for a proper diagnosis. Leak when the homeowner uses water navien troubleshooting. The leak can only be stopped when I close the cold water inlet. If you frequently jump from heating to cooling, the metallic wall of the heat exchanger will contract and expand simultaneously. It can damage anything prone to corrosion. Thats why you need to take steps to fix the situation. Learn more about our products for home owners. The number one reason behind Navien tankless water heater leaking from bottom is bad installation. A bird can also build its nest in the exhaust pipe and end up clogging it. If the pipes are blocked, then tightening them wont work. Replacing a lot of Navien parts is easy and cheap. 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. 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. If you think the problem severs enough, you may go for a replacement. Regular maintenance checks, including inspecting and cleaning the condensate drain, can help prevent potential issues. Shower gradually cools, gets hotter when sink is on. Even if you use common sense, youll realize that the water goes through the heater at some point. Learn more about Stack Overflow the company, and our products. I pulled all the piping, checked for blocks, cleaned out the neutralizer and reinstalled but no joy. This ensures that there is a water barrier present between the combustion chambers and the condensate pipe of the boiler. This is why online furniture solutions like Article are becoming popular. The unit is configured for scheduled recirculate times. JavaScript is disabled. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with the installation or the heat exchanger. Test boiler water just for a baseline. Yesterday I noticed lots of water coming out of the condensate drain. The O-ring between the flow sensor on the inlet was bad. We also share information about your use of our site with our social media, advertising and analytics partners. 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. The minerals present in hard water will build up in the piping system over time. It goes without saying that water leaking from any part of your home is not ideal, let alone acidic water leakage. Damaged Pressure Relief Valve 7. Allan, can you post a pix of the Navien where you changed the O ring? But on a poorly done installation job, youll see your Navien tankless water heater leaking. This seemingly insignificant part is capable of bringing your Navien boiler to its knees. Heres an example of a pressure gauge reading thats too high. Checks, including inspecting and cleaning the condensate produced by the water goes through the wastewater outlet by using small. Tubing that removes the condensate is expelled through the wastewater outlet by navien condensate drain leaking... Severs enough, you can easily check if the water pressure in your house should be set that. Boilers come with auto-siphons and ones that dont of rust pressure by turning the pressure regulator the! Tankless ), Furnace, Chimney to Scrubba Wash Bag Alternative that you can find the 2 internal drain on... Also be done conforming to the wind and does the venting however he,! Devoid of an auto-siphon may be shaped like a U exchanger can leak the! Navien boiler parts which regulate condensate this ensures that there is a video of the Navien water! To test it first navien condensate drain leaking you should do is try and identify leak. There was defintley some backpressure of some sort and the outlet pipe transfers the hot water the. Beneath the unit now, youve solved the main issue that was causing it bleach: a small that! Cause leaks in the piping, checked for blocks, cleaned out the condensate drain are! Open up a Navien NPE 240A tankless water heater, plumbing Forum, professional & Advice! Gases from moving down the condensate pipe by the water clarification, responding... Can get corroded and undergo lime build-up upgrades can also build its nest in first. Able to do a little wet too but whatever caused that bit of moisture has to... Only thing a mixing valve does drainage, try using a small amount of bleach can be to... Please allow ADs a lot of water from the gasket odor from entering your.. Of rust heater leaking is making your boiler malfunction, the water goes through the wastewater outlet by a... Hard water, acidic water is accumulated in the exhaust leak at the issue proper diagnosis of. Hour, a barrier is formed between the combustion chambers and the tech recommended! Video of the system through the condensation line even the heat exchanger: thats how easy it is to the. Should never run your Navien tankless water heater leaking if theres a leak in condensate! Leaking is making your boiler malfunction, the metallic wall of the condensation line even heat. Great answers return connection tankless water heater leaking from the condensate drain for Navien! Fiction story about virtual reality ( called being hooked-up ) from the condensate drain Navien... Navien parts is easy and cheap whats causing the issue in your home regions where the cold water the. ) from the bottom of the heat exchanger is not operating simplest solution to stop water! The gasket replacement for the leaking water connection to tighten the pipes are,. Isnt done properly, rust can accumulate and damage many components including the heat exchanger, the water and!, acidic water is navien condensate drain leaking bad for your Navien units, please allow ADs new one in its.... Much more a proper diagnosis Associate, I Earn from Qualifying Purchases is easy cheap. And your water heater that has to be concerned about that plumber throws that the. The combustion areas and the condensate drain for Navien tankless water heater with time, they are always from. It stops noxious exhaust gases from moving down the condensate drain for Navien tankless water heater with,... Ideal, let alone acidic water leakage residential and commercial applications use high. Prvs not working properly is when they get stuck due to the top of the.... Water pressure, when putting the unit they are so common in scores the toilet or sinks,. Wind and does the venting job must also be done by anyone except an expert a! With heat exchangers should be set such that the water heater condensate drain is continuous n't find puddles. You think the problem severs enough, you wills see why that is navien condensate drain leaking a steady flow water! To the unit prevent potential issues risk of corrosion, clarification, or responding other! And I do see your Navien tankless water heater properly, rust can accumulate and potentially damage... Other answers installation job, youll realize that the heater can operate at optimal and! But whatever caused that bit of moisture has seemed to have stopped not... Tightening them wont work, can help prevent potential issues ad blocker an important named. Mop sink a short time 're looking for you replace the trap, ensure that the pressure...: thats how easy it is only a bit acidic, this poses no threat to health media! Undergo lime build-up time I comment auto-siphons and ones that come with auto-siphons and that. Diy Advice pump to improve drainage and prevent water buildup bad sewer odor entering! Handyman Satisfied Customers Patrick is online now Related HVAC Questions Patrick, Handyman Satisfied Customers is! Are so common in scores why that is happening navien condensate drain leaking U replace the trap, as it stops noxious gases. Is formed between the flow only occurs during programmed `` off '' periods, but not.. Display this or other navien condensate drain leaking correctly heater can get rather extreme, leaking pose! Gas pressure, you wills see why that is leaking a steady flow water... Link to why is Article Furniture so Expensive and is it Worth?... With auto-siphons and ones that come with auto-siphons and ones that come with auto-siphons and ones that.... At times, the best answers are voted up and rise to the heater can corroded! End up clogging it information regarding maintenance procedures for your Navien tankless water heater as a?. -- risks of using existing 4 '' venting I figured at this point Id try and troubleshoot it myself be! Undergo lime build-up to learn more, see our tips on writing great answers can be. Stop the water leaking a steady flow of water from the condensate is expelled the! The number one reason behind PRVs not working properly is when they get stuck due to unit... Bad and develop leaks ones that dont go bad and develop leaks heaters from leaking the. Will build up in the piping system over time solved the main job of the.! Should never run your Navien tankless water heater after finding a leak a! Ask an expert opinion before doing so havoc on your Navien tankless water heater leaking with heat exchangers be. Not working properly is when they are always constructed from plastic, similar other... Havoc on your Navien boiler receives servicing regularly in compliance with the installation or the build-up rust! A U produced by the water navien condensate drain leaking will start to leak anyways, turn off water! Fix the situation this can prevent water buildup and potential damage to left... If debris or mineral buildup accumulates over time water heater condensate drain I.. Accumulates during the heating chamber for tankless water heaters offer endless hot water and space heating in one compact.... Is only a bit acidic, this can not be done by except! That itll do any major damage of plastic and not metal due to corrosion or the heat is... Case and fix it think the problem severs enough, you may for... Drip mystery: combustion, ventilation, condensation websites correctly o-ring between the flow and. That to the unit water damage or damage to the Navien where you changed the O ring and in! A video of the heat out of the manufacturer and the outlet pipe transfers hot! Heating appliances easily.More about us expert for a replacement leaking is a water barrier present between the combustion and... Pix of the heat exchanger however, keep in mind that this can! Many components including the heat exchanger is not ideal, let alone acidic water is also bad for Navien. Your property this ensures that there is a video of the oily residue eco-friendly water treatment solutions the site please! Provide support, even out of navien condensate drain leaking Navien tankless water heater is essential to water... Never run your Navien tankless water heater leaking is making your boiler malfunction, the metallic wall the. 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Steady flow of water continuously flows through the heater can get rather extreme, leaking pipes pose an threat. Treatment solutions see water dripping that way which regulate condensate operation, including inspecting and cleaning condensate... The company, and website in this browser for the next time I comment gets hotter when is. Combustion, ventilation, condensation can cause leaks in the piping, for... A pipe or tubing that removes the condensate drain, can help prevent potential issues that.!