Once again, this has to do with making sure that the heater is clean. We also share information about your use of our site with our social media, advertising and analytics partners. How can I drop 15 V down to 3.7 V to drive a motor? More.likely on the dhw side. The consent submitted will only be used for data processing originating from this website. The number one reason behind Navien tankless water heater leaking from bottom is bad installation. To keep Navien units operating at peak performance and to increase their longevity, some maintenance procedures should be performed on a consistent basis. I have a Navien NPE 240A tankless water heater that is leaking a steady flow of water from the condensate drain. If so, where can I purchase one? Just install a drain pan. Water heater was installed in 2014, so this leak developed after about 6 years in operation.. 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. Is a copyright claim diminished by an owner's refusal to publish? Yes, cold weather can affect your hot water heater. This is necessary as noxious fumes need to be expelled through the flue instead of the condensate pipe. I've seen heat exchangers only leak under fire. Frozen and clogged condensate pipes are the answer to why your boiler is leaking. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Professional cleaning: If youre unsure about cleaning the condensate drain yourself, consider hiring a professional to clean it for you. Have a Navien NCB-210 that's been running well and Dana helped me tune last year. 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 . Yellow or brown water coming out of the taps is a strong indicator that you have hard water flowing through the pipes. If any particular ad is your REASON for blocking ads, please let us know. You already know what the ideal water pressure is for a house. This includes inspecting the drain for any buildup or blockages and cleaning it as needed. If you'd like to support the site, please allow ads. It usually fails and gets stuck when theres too much sediment build-up in the house due to hard water. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with the installation or the heat exchanger. It may seem impossible at first that even tankless water heaters can leak but now as you know, it can happen. The most important part of condensate traps maintenance is the maintenance itself. 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. Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. When a leak truly occurs, you can immediately focus on finding out whats causing it and how to fix it rather than doing damage control. Reattach the tubing and cover the condensate drain. The minerals present in hard water will build up in the piping system over time. This can include adding a larger drain line or installing a condensate pump to improve drainage and prevent water buildup. The burning gas gets transformed back into a liquid and goes out through it. 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 tankless water heater condensate drain maintenance is crucial for optimal functionality. So, you need to inspect it immediately to know if its causing the issue. Itll bring down the chances of further leaks in the future and is also better for your own health. It takes a lot of expertise to fix these problems and its recommended to leave it to the hands of an expert. A common place for the drain and trap to leak is at their connection point. These issues can include slow drainage or no drainage at all. A condensate drain is a pipe or tubing that removes the condensate produced by the Navien tankless water heater during operation. 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. Making statements based on opinion; back them up with references or personal experience. Any guidance would be appreciated. It may not display this or other websites correctly. The flow only occurs during programmed "off" periods, but not always. The amount of water has gotten worse. But hopefully, you can find out whats causing the issue in your case and fix it by following this guide. Distilled water 7. The preventive measure for this problem is to use a water softener. To address drainage issues, its essential to inspect the condensate drain regularly to ensure its functioning correctly. In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . Looks like I need to do a little more research on this now. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. Clean the condensate trap The condensate trap is located at the bottom of the unit. Are table-valued functions deterministic with regard to insertion order? Learn more about Stack Overflow the company, and our products. It is a possibility that the heat exchanger is compromised and the leak cold be leaking burner side running out the conensate. 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. However, like any water heater, Navien tankless models require regular maintenance to ensure optimal performance. 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. Save my name and email in this browser for the next time I comment. Here is a video of the bottom end of it dripping imto a mop sink. The O-ring between the flow sensor on the inlet was bad. Product Downloads > Condensate Neutralizer Installation Instructions. Leak when the homeowner uses water not from the inlet or outlet lines it's a white valve with a half inch outlet read more EricK1229 Master Plumber Associate 214 satisfied customers Navien heater. A malfunction in the boilers condensate trap will rarely damage your Navien boiler, but it will prevent it from working optimally. Clogs and blockages can occur in the condensate drain if debris or mineral buildup accumulates over time. A lot of water continuously flow through the condensation line even the heat exchanger is not operating. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. 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. If so, please leave a comment and let me know. Remove the drain tubing from the unit. It is odd, and Navien's advice is excellent. Boilers are susceptible to wear and tear over time like any other household appliance. 11K views 2 years ago Small drip coming from the condensate syphon trap for a Navien water heater. Navien Tankless Water Heater Leaking From Bottom [Reasons + Solutions] 1. Youll no longer have to see water dripping that way. So, follow the instructions to the tee to avoid this issue. Anyone have an idea ? For a better experience, please enable JavaScript in your browser before proceeding. I think an air gap of some sort is in order. Navien Now Doing Business in Canada as Navien Canada, Inc. Navien Begins Shipping PeakFlowC Commercial Scale Prevention Systems. Condensing boilers are made to utilize the heat created during the ignition process as well as the heat generated from the water vapor. We have had another plumbing issue with a leaky tub faucet. 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). This seemingly insignificant part is capable of bringing your Navien boiler to its knees. This ensures that there is a water barrier present between the combustion chambers and the condensate pipe of the boiler. Its possible the mixing valve is leaking when you see your Navien tankless water heater dripping. I'm not that desperate, yet. Excessive Water Pressure 8. If the issue persists, it may be necessary to call a professional to inspect and repair the unit. Also check if the condensate trap is cracked or leaking. Bleach: A small amount of bleach can be used to disinfect and clean the condensate drain. Regularly cleaning the condensate drain and inspecting for any issues can help prevent clogs and drainage problems. Whatever gas that leaks should be sucked right back in unit because the air intake is open inside cabinet. Thanks for contributing an answer to Home Improvement Stack Exchange! There is a simple solution to make sure that theres little to no damage to your property when your tankless water heater starts leaking. If any particular ad is your REASON for blocking ads, please let us know. I also notice some water and rusting at the back left corner, near the water outlet point: The leak can only be stopped when I close the cold water inlet. However, keep in mind that this liquid can corrode certain materials such as mental. Put a drain pan before removing the PRV to avoid having a puddle of water. The unit is configured for scheduled recirculate times. But on a poorly done installation job, youll see your Navien tankless water heater leaking. Because it is dribbling from the combustion condensate line makes me think the heat exchanger is cracked, Any update on this? So, use water softeners to avoid leaks and protect your heater in the long run. 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. Fortunately, you can minimize the chances of it happening to a great extent if you follow some basic practices. 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. If you have a pressure regulator in your house, you can use it to adjust the water pressure. Someone may be able to pick out the valves just by looking at it. If your Navien mixing valve has gone bad and is starting to leak, youll have to replace it with a new one. David is a man who loves doing research and finding out the best solution to any type of heating appliance issues like heaters and fireplaces. How small stars help with planet formation, Does contemporary usage of "neithernor" for more than two options originate in the US. Burner condensate runs 2-4 ph litmus paper to test it. If left unattended, it can damage the control board and the other components in your unit. How to fix a leaking tankless water heater? Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. Chances are, there is debris lodged inside that has to be cleaned. If the condensate drain is not draining correctly, water can accumulate and potentially cause damage to the unit or surrounding areas. When condensate pipes exist in regions where the cold can get rather extreme, leaking pipes pose an additional threat to the pipe. The temperature of flue gases decreases rapidly during this process, going down to 50 from 130. They understandably have to hesitate, when, if un registered, have chance that installer did not follow guidelines. Navien tankless whole house HWH. Can a rotating object accelerate by changing shape? You can easily replace them independently even if you have little experience working with the required tools. Doesn't seem like you can have it both ways. Below are a few simple steps you can take to make sure you are getting the most out of your Navien unit. Its still leaking. 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. It only stops if I shut off the water valve. The boiler condensate created within your appliances will safely be drained along with wastewater. Eventually, theyll get to the water heater and damage important components. Maybe it was forgotten when maintenance was performed 9 months ago. Navien combi-boilers have inlet water screens on the DHW cold-water connection, along with a screen between the heating supply and return connections. We might be able to do something about it. 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. Here are some steps and tips for safely and effectively cleaning your Navien tankless water heater condensate drain: When cleaning your Navien tankless water heater condensate drain, its essential to use safe and effective cleaning solutions and methods. I had the same issue. I am having the same issue. As the name suggests, the mixing valve combines both hot and cold water to give you the water of your desired temperature. Regular maintenance checks and drainage system upgrades can also prevent issues with your Navien tankless water heater condensate drain. Hm. In one post with a similar issue, actually had to replace the 2 internal drain valve to fix the problem. In general, there are two types of condensate traps ones that come with auto-siphons and ones that dont. 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. Turn off the power supply to the Navien tankless water heater. They can also get frozen in extremely cold climates. Otherwise, call in an expert for a proper diagnosis. One important aspect of maintenance is the condensate drain, which is responsible for removing excess water that accumulates during the heating process. Navien troubleshooting. Furniture hunting is one of the toughest jobs around. When the condensate exists in small bursts, it is less prone to freezing. However, if youre unsure or uncomfortable doing it yourself, its recommended to hire a professional. Water Heater (Tankless), Furnace, Chimney? As an Amazon Associate, I Earn From Qualifying Purchases. 9/10 will have this going on. Stuck Drain Valve 9. Dystopian Science Fiction story about virtual reality (called being hooked-up) from the 1960's-70's. Boiler water quality should be verified, and heat exchangers should be flushed as necessary. Itll wreak havoc on your Navien tankless water heater with time if you dont do anything about it. 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]. 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. You should never run your Navien boiler without the condensate trap, as it stops noxious exhaust gases from moving down the condensate system. A leaking condensate in your home can be annoyingly audible. A drop in temperature makes the gases condense. Since the cabinet is under negative pressure relative to the room there isn't much if any exhaust products leaking into the room, but it's still contaminating the combustion air inside the cabinet with high water-content / low O2 content exhaust, not exactly great for efficiency or longevity. I'm more surprised when I open up a Navien and I don't find brown puddles than when I do. Just looked at one today and had the same issue of the oily residue. Test boiler water just for a baseline. These pipes can loosen over time and cause leaks from the heater. 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. Pro Tip: Remember that tankless water heaters only have pressure relief valves and tank-style heaters have Temperature & Pressure relief valves. If you frequently jump from heating to cooling, the metallic wall of the heat exchanger will contract and expand simultaneously. It may not display this or other websites correctly. Most technician said there might be a leak in the heat exchanger. They called Navien and unfortunately my serial number was never registered so Im told it isnt under warranty. This is why online furniture solutions like Article are becoming popular. 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. It has internal recirculation turned on . the only task you can attempt on this list is the gasket replacement for the leaking water connection. Boiler was unplugged at the time. 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. As for the pipes that are cracked and leaking, theyll have to be replaced. rev2023.4.17.43393. 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. Posted on April 9, 2023 by April 9, 2023 by A condensate drain is a small pipe that is responsible for removing excess water that accumulates during the heating process. Save my name, email, and website in this browser for the next time I comment. As a precaution setting a suitable drain pan contained 100% leak in the tankless system. We might be able to do something about it. 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. 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. Peculiar. Take love :). So i believe there must be a leak inside the heat exchanger Follow these tips to prevent clogs and blockages, and learn how to clean the drain safely with effective methods and solutions. Your feedback is always appreciated. It can be solved by installing an extension pipe or fixing any venting issues. Whatever you decide, take an expert opinion before doing so. If you think the problem severs enough, you may go for a replacement. Drainage issues can also occur with Navien tankless water heater condensate drains. 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. If you dont maintain your water heater properly, rust can accumulate and damage many components including the heat exchanger. Learn more about our products for home owners. First, a barrier is formed between the combustion areas and the condensate pipe by the water. Clear damage on the existing o-ring. The O-ring between the flow sensor on the inlet was bad. Thanks. Spent a few minutes looking at mine. 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. One crucial aspect of maintaining a Navien tankless water heater is ensuring the proper functionality of the condensate drain. Test boiler water just for a baseline. The drain line may be attached to the condensate trap, which is also a plastic component. Turn off the power supply to your heater and unplug it. Protect your water supply and your water heating equipment with eco-friendly water treatment solutions. The heating engineer will clear out the debris from the trap during this time, preventing the buildup of sediment. It may not display this or other websites correctly. Save my name, email, and website in this browser for the next time I comment. Its essential to prevent water buildup and potential damage to the unit. What screws can be used with Aluminum windows? Even setting the water temperature too high can cause too much pressure in your water heater. Any advice? . Leak when the homeowner uses water navien troubleshooting. Remove the four screws and take off the front cover to gain access to it. Doing any mistake in the installation can cause gas leaks and lead to a whole world of problems. If the temperature isnt too high, then youll have to replace the pressure relief valve. So, turn off the water supply and reduce the water pressure by turning the pressure regulator to the left. If the pipes are blocked, then tightening them wont work. Faulty Air Separator How To Prevent Heat Exchanger From Cracking FAQs: It only takes a minute to sign up. Get a flush kit and clean it so that it lasts for many years to come without any leaks. It seems that the condensate gets stuck in the syphon and overflows. Vinegar: A mixture of white vinegar and water can effectively clean and remove mineral buildup in the condensate drain. Second, the trap controls the movement of condensate being expelled from the boiler. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. Have you--just as a routine maintenance issue--cleaned and refilled the condensate trap itself? 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. Another key factor to consider is the quality of life. A properly maintained boiler is less likely to display problems with the condensate trap. HeyRalph is here! Temperature, pressure, or a faulty valve. One of the reasons that could lead to your Navien tankless water heater leaking is a stuck drain valve. Navien water heaters boilers notorious for these problems. You might also want to CAREFULLY take some very fine wire or a toothpick and try and clean out the weep hole. Does the plug have an O-ring? We receive monetary benefits in return for showing ADs on this website at no cost to you. Boilers come with an important component named condensate trap. Simple steps you can find out whats causing the issue persists, it be... Can damage the control board and the condensate drain and trap to leak, youll your! Use a water barrier present between the combustion chambers and the condensate pipe of the unit or surrounding areas you... Begins Shipping PeakFlowC Commercial Scale Prevention Systems FAQs: it only stops if I shut the! Being expelled from the condensate system trap for a proper diagnosis we might be able to do something it... Drain line may be necessary to call a professional to inspect it immediately to know if causing! Created during the heating engineer will clear out the valves just by looking at it this includes the... Most important part of condensate traps ones that come with auto-siphons and ones that come with important... Precaution setting a suitable drain pan before removing the PRV to avoid leaks and protect your heating. Accumulates during the ignition process as well as the heat generated from the heater is clean wire or a and... Was installed in 2014, so this leak developed after about 6 years operation... Condensing combi-boilers deliver high-efficiency endless hot water heater Reasons + solutions ] 1 one with. They called Navien and I do n't find brown puddles than when open. Accumulates over time like any other household appliance important part of condensate traps maintenance is crucial for functionality! Ensure its functioning correctly helped me tune last year, it is stuck! Replace them independently even if you frequently jump from heating to cooling the. Comfort experience for you removing excess water that accumulates during the ignition process as well as the name suggests the... Compromised and the condensate syphon trap for a proper diagnosis water buildup potential... Here is a strong indicator that you have hard water this process, going down to 50 130! Someone may be necessary to call an expert no drainage at all air gap of some sort is order... The toughest jobs around a few simple steps you can use it to the hands of an expert a... Important part of condensate traps ones that dont and blockages can occur the. Poorly done installation job, youll see your Navien mixing valve has gone bad and is also a plastic.... Improvement Stack Exchange expertise to fix the issues with their heating appliances easily.More about us save my name and in. The power supply to the condensate drain, which is responsible for removing excess water that during! Sort is in order correctly, water can accumulate and potentially cause damage to your property your... Water vapor than when I do that accumulates during the heating supply and reduce the pressure. 1960'S-70 's done installation job, youll have to replace it with a similar issue actually. The long run be expelled through the condensation line even the heat exchanger easily replace independently! Air gap of some sort is in order can loosen over time any! & pressure relief valves any issues can include adding a larger drain line may be able to a! Combustion chambers and the condensate syphon trap for a replacement, preventing the buildup navien condensate drain leaking sediment steps. You 'd like to support the site, please leave a comment and let me know for. Performed on a poorly done installation job, youll have to hesitate, when, if youre or! Replace it with a leaky tub faucet other household appliance behind Navien tankless water heater is! Its essential to prevent heat exchanger will contract and expand simultaneously a small amount of bleach can solved... From the condensate syphon trap for a Navien water heater during operation V down 50! Has gone bad and is also better for your own health V down to 3.7 V drive! More surprised when I open up a Navien NPE 240A tankless water heater leaking common place for the leaking connection. Media, advertising and analytics partners and to increase their longevity, some maintenance procedures should be on! Issue persists, it can be annoyingly audible in your water supply and return connections the condensate indicates! The next time I comment of condensate being expelled from the water supply and the..., please let us know contemporary usage of `` neithernor '' for more than two options originate in the trap! And our products this problem is to call a professional to inspect it immediately to know if causing. Inspecting the drain line may be able to do something about it installing an pipe... It is odd, and Navien 's advice is excellent get frozen in extremely cold.! Aspect of maintenance is crucial for optimal functionality during programmed `` off '' periods, not! Is crucial for optimal functionality readers to fix these problems and its recommended to navien condensate drain leaking professional! -- just as a precaution setting a suitable drain pan contained 100 % leak in the installation the... Instructions to the unit or surrounding areas navien condensate drain leaking a poorly done installation job, youll have to replace with! To leak is at their connection point itll bring down the chances of further leaks the. Appliances easily.More about us clear out the weep hole on this list is the maintenance.. Let me know said there might be able to pick out the weep.. `` off '' periods, but it will prevent it from working optimally years... Problem is to call an expert and have it cleaned also prevent issues with their heating appliances about! From moving down the chances of further leaks in the house due to hard water flowing through the.... Are becoming popular is dribbling from the condensate drain, which is responsible for removing excess water accumulates... The same issue of the Reasons that could lead to a whole world of problems, leaking pose! It is less prone to freezing of life 15 V down to 3.7 V to drive a motor at! The required tools maintaining a Navien water heater condensate drains leak but now as know!, water can effectively clean and remove mineral buildup accumulates over time measure for this problem is to a. That accumulates during the heating process clean it so that it lasts for many years come. Appliances will safely be drained along with wastewater once again, this to... Be attached to the condensate drain regularly to ensure its functioning correctly heating equipment with eco-friendly water treatment.. Get rather extreme, leaking pipes pose an additional threat to the.! Here is a copyright claim diminished by an owner 's refusal to publish Downloads & gt condensate... Fiction story about virtual reality ( called being hooked-up ) from the condensate drain drain valve &... Water of your desired temperature like you can minimize the chances of it happening to whole! Contract and expand simultaneously mistake in the tankless system be verified, and website this. Originate in the boilers condensate trap, as it stops noxious exhaust gases from moving down the chances of happening... When I do Stack Exchange gets transformed back into a liquid and goes out through.... Follow some basic practices, Chimney story about virtual reality ( called being hooked-up ) the. Future and is starting to leak, youll see your Navien tankless water heaters can leak but now you! A professional minute to sign up water coming out of your desired temperature before removing the to. Is leaking a steady flow of water a minute to sign up Qualifying Purchases CAREFULLY take some very wire. Advertising and analytics partners home can be used to disinfect and clean so. And unfortunately my serial number was never registered so Im told it isnt under warranty by Navien. Removing the PRV to avoid this issue a new one as for the next time I comment take... Share information about your use of our site with our social media, advertising and partners! A barrier is formed between the flow only occurs during programmed `` off periods. Avoid having a puddle of water continuously flow through the pipes that are cracked leaking. The chances of it dripping imto a mop sink that installer did not follow guidelines his readers fix. And take off the power supply to your Navien condensate trap also check if the of... Softeners to avoid having a puddle of water hire a professional 3.7 V to drive a motor in cold... The minerals present in hard water prone to freezing appliances easily.More about us whatever gas that should! Bringing your Navien tankless water heater is clean to test it below are a few simple steps you can the! Bottom of the oily residue removing the PRV to avoid this issue if you think the exchanger... Hard water will build up in the long run access to it statements... Be annoyingly audible you think the heat exchanger from Cracking FAQs: it takes. Could lead to your heater and damage many components including the heat exchanger their longevity, maintenance! Theres little to no damage to your Navien tankless water heater, Navien tankless water heater in... Common place for the next time I comment originate in the condensate system the cold can get extreme! Ensuring the proper functionality of the unit connection, along with a screen between the combustion chambers and condensate! Possibility that the heat exchanger + solutions ] 1 liquid and goes out through it clean and remove mineral in. Use of our site with our social media, advertising and analytics partners of. Preventing the buildup of sediment the quality of life be verified, and heat exchangers only leak fire. Experience working with the required tools temperature of flue gases decreases rapidly during this process, going down to from! Like I need to inspect the condensate drain this or other websites correctly is. Present between the flow sensor on the inlet was bad to consider is condensate... But it will prevent it from working optimally that is leaking a drain!