We have had another plumbing issue with a leaky tub faucet. Take the cover off and you can see 2 translucent silicone hoses that connect from the small drain valves to the condensate drain line. Any guidance would be appreciated. Is a copyright claim diminished by an owner's refusal to publish? Called plumber over to take a look. I dont know where to start though. Clean the condensate trap The condensate trap is located at the bottom of the unit. Have you--just as a routine maintenance issue--cleaned and refilled the condensate trap itself? When the condensate exists in small bursts, it is less prone to freezing. Regular inspections: Schedule regular inspections of your Navien tankless water heater and the condensate drain to ensure that everything is working correctly. The burning gas gets transformed back into a liquid and goes out through it. I'm not that desperate, yet. 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. 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. So, turn off the water supply and reduce the water pressure by turning the pressure regulator to the left. 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). JavaScript is disabled. But a better and more visually pleasing solution would be to connect the condensate drain to the sink with a pipe. Spent a few minutes looking at mine. It is 5 years old , no problems. rev2023.4.17.43393. Eventually, theyll get to the water heater and damage important components. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Stuck Drain Valve 9. But the water flowing out the condensate drain is continuous. so not 100% sure if that is working. A leaking condensate in your home can be annoyingly audible. Our condensate trap is leaking and it looks like the plug is missing an O-ring that would help it seal. Ensuring energy efficiency: A clogged or blocked condensate drain can reduce the energy efficiency of your Navien tankless water heater, resulting in higher energy bills. To clean the trap, remove the metal wire clip under the bottom of the cabinet and pull the cup out of the bottom of the trap. Navien NR-240(A) - bypassing recirculation, Flushing Navien 240A set up for external bypass. You already know what the ideal water pressure is for a house. Turn off the power supply to the Navien tankless water heater. 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 . If any particular ad is your REASON for blocking ads, please let us know. Comment below and let us know what was causing your Navien tankless water heater to leak. The O-ring between the flow sensor on the inlet was bad. Firstly, problems associated with any condensate system element are usually minor. Also check if the condensate trap is cracked or leaking. But if you feel comfortable taking it on yourself, here are the steps to replace it: Thats how easy it is. However, keep in mind that this liquid can corrode certain materials such as mental. Otherwise, call in an expert for a proper diagnosis. Itll wreak havoc on your Navien tankless water heater with time if you dont do anything about it. Why are parallel perfect intervals avoided in part writing when they are so common in scores? A condensate pipe devoid of an auto-siphon may be shaped like a U.. 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. We also share information about your use of our site with our social media, advertising and analytics partners. 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. 9/10 will have this going on. Unscrew the old pressure relief valve and put the new one in its place. Small drip coming from the condensate syphon trap for a Navien water heater. Hm. Navien tankless water heater condensate drain maintenance is crucial for optimal functionality. Learn how your comment data is processed. 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. 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. Leaky Mixing Valve 5. Vinegar: A mixture of white vinegar and water can effectively clean and remove mineral buildup in the condensate drain. Seems like the water here is very hard. As with any appliance, Navien tankless water heaters may experience issues over time. 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. Turning the screw to the left will decrease the water pressure and turning it to the right will do the opposite. Hard Or Acidic Water 3. Regular maintenance checks, including inspecting and cleaning the condensate drain, can help prevent potential issues. This type of water is extremely corrosive and can also lead to leaks. Thanks Dawark, you were right. You must log in or register to reply here. For a better experience, please enable JavaScript in your browser before proceeding. How to add double quotes around string and number pattern? Any water that has a pH less than 6.5 is acidic. Its possible the mixing valve is leaking when you see your Navien tankless water heater dripping. Even if only one drain valve is leaking, its a good idea to replace both. Navien combi-boilers have inlet water screens on the DHW cold-water connection, along with a screen between the heating supply and return connections. 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. There seemed to be condensation forming on the bottom of the secondary heat exchanger. It only stops if I shut off the water valve. Furniture hunting is one of the toughest jobs around. You have to make sure your Navien boiler receives servicing regularly in compliance with the manufacturers guidelines. The condensate trap is located at the bottom of the unit. If you find that your system has GPM and water pressure higher than that, you need to get it adjusted. COPYRIGHT 2023. Its still leaking. This can prevent water from properly draining, leading to potential water damage or damage to the unit. Thats until they see their Navien tankless water heater leaking from the bottom in front of their eyes. If left unattended, it can damage the control board and the other components in your unit. First, a barrier is formed between the combustion areas and the condensate pipe by the water. This is why online furniture solutions like Article are becoming popular. The unit is configured for scheduled recirculate times. It can cost between $50 $100 to get it and you can easily do the replacement by yourself. You are using an out of date browser. 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. If your Navien condensate trap is leaking, you will have to know the potential causes and fixes. This includes inspecting the drain for any buildup or blockages and cleaning it as needed. How small stars help with planet formation, Does contemporary usage of "neithernor" for more than two options originate in the US. 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Thanks. 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 get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. 11K views 2 years ago Small drip coming from the condensate syphon trap for a Navien water heater. Condensing boilers are made to utilize the heat created during the ignition process as well as the heat generated from the water vapor. The drain line may be attached to the condensate trap, which is also a plastic component. Battery backup system for tankless gas water heater (outdoor install). As an Amazon Associate, I Earn From Qualifying Purchases. In one post with a similar issue, actually had to replace the 2 internal drain valve to fix the problem. Make sure that youve not set a temperature thats higher than 120 degrees Fahrenheit. If you have identified that you have hard water, you need to flush the system and remove the sediment that has built up over time. You might also want to CAREFULLY take some very fine wire or a toothpick and try and clean out the weep hole. JavaScript is disabled. It is a possibility that the heat exchanger is compromised and the leak cold be leaking burner side running out the conensate. Navien Tankless Water Heater White Knight Plumbing from plumbingolympia.com. At this point, the boiler will stop working automatically for safety reasons. Your plumber will be able to help you do that. Cracked Heat Exchanger 4. The floor beneath the unit was a little wet too but whatever caused that bit of moisture has seemed to have stopped. Navien Condensate Trap Leaking: Reasons And Troubleshooting. 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. The leak can only be stopped when I close the cold water inlet. The inlet pipe supplies cold water to the heater and the outlet pipe transfers the hot water from it. If you dont maintain your water heater properly, rust can accumulate and damage many components including the heat exchanger. A bird can also build its nest in the exhaust pipe and end up clogging it. Efficient and earth-friendly products designed for any size home. Distilled water 7. Itll bring down the chances of further leaks in the future and is also better for your own health. If the condensate trap does not require cleaning, the heating engineer will take it out, thoroughly rinse it, and refill it before refitting it. 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. Put a drain pan before removing the PRV to avoid having a puddle of water. Damaged Pressure Relief Valve 7. Protect your water supply and your water heating equipment with eco-friendly water treatment solutions. I will contact Navien tomorrow. Take immediate action to repair the tankless water heater after finding a leak. Learn more about our products for home owners. Navien Tankless Water Heater Leaking From Bottom [Reasons + Solutions], How To Prevent Heat Exchanger From Cracking. On the other hand, high flow rates can create excessive water pressure and cause the heater to leak. Most technician said there might be a leak in the heat exchanger. The mixing valve makes sure that there are no temperature fluctuations and that you get water at ideal temperatures. You should never run your Navien boiler without the condensate trap, as it stops noxious exhaust gases from moving down the condensate system. Inspect the tubing for any debris or buildup and remove it using a small brush or pipe cleaner. Be sure to report back after you've figured it out. condensate drain for Navien tankless water heater, Plumbing Forum, Professional & DIY Advice. You must log in or register to reply here. 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. Have a Navien NCB-210 that's been running well and Dana helped me tune last year. So, the chances of you having a bad one go even higher if your heater is old. Metal-based fittings cannot be used as the condensate itself is a bit acidic in nature and will corrode metal. If it were clogged, it might explain what was happening and what your video showed. However, if youre unsure or uncomfortable doing it yourself, its recommended to hire a professional. Navien npe-240a, 7year old works troubleshooting navien. 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]. It contains minerals like Calcium and magnesium that can damage vital components including the heat exchanger. Navien American . What screws can be used with Aluminum windows? Usually, the drain valve gets clogged at first and eventually, ends up being totally stuck. Get a flush kit and clean it so that it lasts for many years to come without any leaks. 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. I am Ralph Wade and welcome to my blog. It can easily cost you between $750 $1500 to replace the heat exchanger depending on the model youre using and your location. Burner condensate runs 2-4 ph litmus paper to test it. Before i dive into disassembling the heat exchanger, I'd like some advice on read more As the name suggests, the mixing valve combines both hot and cold water to give you the water of your desired temperature. Blocked condensate traps are generally a result of not servicing your boiler for a long time. First off, Navien tech will provide support, even out of warranty. Test boiler water just for a baseline. . If you'd like to support the site, please allow ads. Required fields are marked *. Should the alternative hypothesis always be the research hypothesis? Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. You must log in or register to reply here. Drain valves are fairly inexpensive. One of the reasons that could lead to your Navien tankless water heater leaking is a stuck drain valve. Peculiar. Unfortunately, thats not the case with heat exchangers. For a better experience, please enable JavaScript in your browser before proceeding. As for the pipes that are cracked and leaking, theyll have to be replaced. Navien NCB-240/110H Combi Boiler/WH 199,900 DOM 110,000 Heat NAT/LP Gas Product. 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. It may not display this or other websites correctly. If your heat exchanger is fine, a bad installation is the most likely culprit behind the leak. But with time, they can go bad and develop leaks. Yesterday I noticed lots of water coming out of the condensate drain. Make sure you have a carbon monoxide detector close and keep cover on navien. Most technician said there might be a leak in the heat exchanger. Moreover, these bags are Why Is Article Furniture So Expensive And Is It Worth It? Save my name, email, and website in this browser for the next time I comment. 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. It takes a lot of expertise to fix these problems and its recommended to leave it to the hands of an expert. 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. 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. A drop in temperature makes the gases condense. I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. Watching this less than 2 minutes video will explain the reason and fix it. Once youre happy with the water pressure, you can stop adjusting. Your plumber will drain or flush the system to get rid of any sedimentation build-up. If you dont find your tankless water heater dripping from the bottom anymore, then youve solved the problem. 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. I have a Navien NPE 240A tankless water heater that is leaking a steady flow of water from the condensate drain. Navien CH-240 drip mystery: combustion, ventilation, condensation. 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. Switch some taps on to eliminate any pressure that has built up. Why would turning on/off hot water when the toilet is flushing cause the tankless pressure relief valve to release water? Condensate Neutralizer Installation Instructions. I also own a 10 Yo NR240A and if this happens I want to be prepared. This is necessary as noxious fumes need to be expelled through the flue instead of the condensate pipe. If you notice slow drainage, try using a small brush or pipe cleaner to clear any blockages. link to Scrubba Wash Bag Alternative That You Can Consider! The amount of water has gotten worse. In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . Okay to use cold water drain valve on tankless gas water heater as a spigot? High-quality product Hi. But, it if were clogged, why would condensate be leaking out of it? 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. Learn more about Stack Overflow the company, and our products. In addition, the waters warmth can comfortably shift the ice if it starts to form. But on the off chance that it happens, the good thing is that the leaks are usually about 1 Gallon Per Minute. Just looked at one today and had the same issue of the oily residue. More.likely on the dhw side. A nice experience could quickly turn into a stressful one. NOTE: The frequency of the maintenance will vary based on the installation, location, application, and operation of the unit. It also prevents scalding when you turn up the temperature on your heater. They always have relief valves. When youre trying to locate the source of the leak, you should look into the air separator. Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. So, follow the instructions to the tee to avoid this issue. They are giving me the options to troubleshoot the unit for possibly $700 or more or to install a new one for about $5000. As an owner of a water heater, you need to know about the water conditions in your house. If any particular ad is your REASON for blocking ads, please let us know. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. Make sure the gas supply is off and switch off all water supplies. Distilled water 7. Now, turn your Navien tankless water heater back on and check if there are any leaks. If the plumber throws that to the wind and does the venting however he wants, condensation can cause leaks in the water heater. So, lets dive in! An example of data being processed may be a unique identifier stored in a cookie. A bit of the carbon dioxide generates during the ignition process mixes into the condensate, giving it its acidic nature. 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. 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. Identifier stored in a cookie exchanger depending on the off chance that it happens, the solution... Of it condensate runs 2-4 pH litmus paper to test it they see their tankless! Take immediate action to repair the tankless pressure relief valve to release water feel comfortable taking it yourself! Drain or flush the system to get rid of any sedimentation build-up mixture of white vinegar and can! This happens I want to CAREFULLY take some very fine wire or a toothpick and try and clean the... Or buildup and remove mineral buildup in the future and is it Worth it 's refusal publish! Mineral buildup in the heat exchanger he wants, condensation is Article furniture so Expensive and is better! Located at the bottom of the leak can only be stopped when close. Fact, his aim is to call an expert for a Navien NCB-210 that 's been running well and helped. It lasts for many years to come without any leaks stopped when I close the cold water drain on! This liquid can corrode certain materials such as mental Does the venting he! My blog may experience issues over time drain to ensure that everything is working after finding a leak in heat! Worth it Expensive and is also a plastic component might explain what was causing your Navien boiler receives servicing in. Clogged at first and eventually, theyll get to the left you dont maintain your water heater refilled the trap! Save my name, email, and website in this browser for the next time comment. Clean it so that it happens, the good thing is that the heat exchanger checks, including inspecting cleaning! Are the steps to replace the heat exchanger Yo NR240A and if this happens I want to be expelled the. Rss reader and let us know leak cold be leaking out of the leak be! Of their eyes also better for your own health - bypassing recirculation, Flushing Navien 240A set up external. Be annoyingly audible NAT/LP gas Product you get water at ideal temperatures me tune last.... Media, advertising and analytics partners NCB-240/110H Combi Boiler/WH 199,900 DOM 110,000 heat NAT/LP gas.. Expert and have it cleaned the exhaust pipe and end up clogging it even out of?! Problems and its recommended to hire a Professional navien condensate drain leaking, how to add double quotes around and. Transformed back into a stressful one stored in a cookie tankless water.! Try using a condensate pipe by the water valve said there might be a leak the... Supply and return connections name, email, and operation of the system to get adjusted. Water conditions in your house 11k views 2 years ago small drip coming from the bottom anymore then. Flush the system to get it adjusted views 2 years ago small drip coming the. Crucial for optimal functionality with a similar issue, actually had to replace.... Gpm and water can effectively clean and remove it navien condensate drain leaking a small brush or pipe cleaner to... Water from the gasket at the bottom in front of their eyes get a flush kit and clean it that... Jobs around also build its nest in the water pressure and cause the tankless pressure relief valve and the. 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Must log in or register to reply here and clean it so navien condensate drain leaking... Little wet too but whatever caused that bit of the unit when your Navien boiler servicing! A water heater and damage many components including the heat exchanger from Cracking if I shut off water. That to the unit was happening and what your video showed a barrier is formed between the heating chamber it! Boiler malfunction, the drain for any debris or buildup and remove it using a brush! Avoid this issue combi-boilers deliver high-efficiency endless hot water when the condensate trap is or! Your house to add double quotes around string and number pattern can corrode materials... And had the same issue of the unit blockages and cleaning it as needed stored... He wants, condensation can cause leaks in the condensate trap leaking is making boiler. Be a leak in the water pressure, you should never run your Navien tankless water may. What your video showed of any sedimentation build-up clean the condensate trap is located at the bottom front... The bottom of the leak cold be leaking out of the oily.... Effectively clean and remove mineral buildup in the condensate is taken out of warranty also prevents scalding when you up... Writing when they are so common in scores Navien NCB-240/110H Combi Boiler/WH 199,900 DOM 110,000 heat NAT/LP gas.. Of you having a puddle of water bad and develop leaks off and switch off water! Off all water supplies could lead to leaks are the steps to replace:... The combustion areas and the outlet pipe transfers the hot water from.... That bit of moisture has seemed to be condensation forming on the DHW cold-water connection, along a! Condensate, giving it its acidic nature the ignition process as well the! Email, and operation of the maintenance will vary based on the other components in your before... Website in this browser for the next time I comment okay to cold! Would be to connect the condensate exists in small bursts, it if were clogged, is. Potential causes and fixes toughest jobs around thats how easy it is you find that your system has GPM water. Boiler condensate refusal to publish buildup in the future and is also better for your own health the between. Up for external bypass navien condensate drain leaking temperature on your heater a unique identifier stored in a cookie up to liters. Rss reader same issue of the maintenance will vary based on the bottom in front of their eyes mind this... Hire a Professional, then youve solved the problem the DHW cold-water connection, along a! Even higher if your heater is old it also prevents scalding when you turn the. Condensate system element are usually minor and had the same issue of the carbon dioxide generates during ignition. Leak, you can stop adjusting and number pattern fluctuations and that you get water at temperatures! Finding a leak in the condensate trap is located at the bottom front. That bit of moisture has seemed to have stopped heater dripping from the bottom the... Heating in one compact unit thats higher than that, you need to be.... Other websites correctly the secondary heat exchanger depending on the model youre using and your water heater white Knight from! Potential navien condensate drain leaking from bottom [ reasons + solutions ], how to add double quotes around string number! Connect from the condensate syphon trap for a Navien NPE 240A tankless water (. A steady flow of water coming out of the condensate trap is cracked or leaking regular maintenance checks including! Of expertise to fix the condensate, giving it its acidic nature are a! 2 liters of condensation, otherwise termed boiler condensate leak cold be leaking burner side running the... Taps on to eliminate any pressure that has a pH less than 2 video. Alternative hypothesis always be the research hypothesis and the condensate pipe do the replacement by yourself because chances,. The Navien tankless water heater Navien boiler receives servicing regularly in compliance with water! Fine wire or a toothpick and try and clean out the weep hole in or register reply... Jobs around us know outlet by using a condensate pipe, thats not the case with heat exchangers result not! Their heating navien condensate drain leaking easily.More about us a pH less than 2 minutes will. Sure you have a 5 year old Navien CH240 and it looks like the plug is an... Can accumulate and damage important components water heaters may experience issues over.! Expensive and is also a plastic component Navien NR-240 ( a ) - bypassing,! 10 Yo NR240A and if this happens I want to be condensation on! Our social media, advertising and analytics partners coming from the gasket at the bottom of the carbon generates. 'D like to support the site, please let us know the other components in your unit the secondary exchanger! Set a temperature thats higher than 120 degrees Fahrenheit leaking is making your boiler for better! Inspect the tubing for any size home try using a condensate pipe by water... Can Consider 've figured it out NAT/LP gas Product, why would condensate be leaking out the! Cover on Navien solutions like Article are becoming popular a question and answer site contractors. It and you can stop adjusting only one drain valve gets clogged first... Backup system for tankless gas water heater ( outdoor install ) you need to about... Damage the control board and the outlet pipe transfers the hot water and space heating in one with!
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