We also share information about your use of our site with our social media, advertising and analytics partners. I don't know if it's just an open port or if there some sort of valve or venturi involved. Learn how your comment data is processed. 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. It looks like you're using an ad blocker. It may not display this or other websites correctly. Efficient, durable and high-performance products for any commercial application. Also check if the condensate trap is cracked or leaking. 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. In one post with a similar issue, actually had to replace the 2 internal drain valve to fix the problem. Because it is dribbling from the combustion condensate line makes me think the heat exchanger is cracked, Any update on this? Metal-based fittings cannot be used as the condensate itself is a bit acidic in nature and will corrode metal. Asking for help, clarification, or responding to other answers. Leak when the homeowner uses water navien troubleshooting. Related Article: Heat Pump Water Heater Condensate Drain. I also notice some water and rusting at the back left corner, near the water outlet point: look up mikey pipes on you tube, or navien leaks on u tube. Non-condensing, older models would waste as much as 50% of the generated heat as the gases could escape through the flue. Anyone have an idea ? Your email address will not be published. Usually, the drain valve gets clogged at first and eventually, ends up being totally stuck. This can be done by using a small brush or pipe cleaner to remove any debris or buildup. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. 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. Upgrading your Navien tankless water heaters drainage system can also help prevent condensate drain issues. Thats where the pressure relief valve comes into play by alleviating the excess pressure. This can prevent water from properly draining, leading to potential water damage or damage to the unit. First, a barrier is formed between the combustion areas and the condensate pipe by the water. The boiler condensate created within your appliances will safely be drained along with wastewater. Thanks Dawark, you were right. rev2023.4.17.43393. To prevent or minimize this problem from causing leaks, you should install a water softener in your home. Thanks. Theyll look like translucent silicone hoses when you take the cover off and lead directly to the condensate drain line. So, the chances of you having a bad one go even higher if your heater is old. But installing a drain pan will keep your property 100% safe in case of water leaks. You already know what the ideal water pressure is for a house. The minerals present in hard water will build up in the piping system over time. If you think the problem severs enough, you may go for a replacement. You can hire a plumber to do this job for you. 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. At this point, the boiler will stop working automatically for safety reasons. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Read More Propane Heater For Bed BugsContinue, Read More How Much Propane Does A Tankless Water Heater UseContinue, Read More Propane Vs Electric Water HeaterContinue, Read More Top 10 Best 80 Gallon Electric Water Heater (2022 Latest Price)Continue, Read More Top 10 Best 20 Gallon Electric Water Heater For 2022 (Buying Guide)Continue, Read More Best electric tankless water heater for rvContinue. 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. Now, turn your Navien tankless water heater back on and check if there are any leaks. Its recommended to clean your Navien tankless water heater condensate drain at least once a year to prevent buildup and potential clogs. Navien combi-boilers have inlet water screens on the DHW cold-water connection, along with a screen between the heating supply and return connections. Clean the condensate trap The condensate trap is located at the bottom of the unit. Someone may be able to pick out the valves just by looking at it. 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. Damaged Pressure Relief Valve 7. Small drip coming from the condensate syphon trap for a Navien water heater. It can easily cost you between $750 $1500 to replace the heat exchanger depending on the model youre using and your location. You can clean your Navien tankless water heater condensate drain yourself by following proper safety procedures and using appropriate cleaning solutions. As with any appliance, Navien tankless water heaters may experience issues over time. Condensing boilers are made to utilize the heat created during the ignition process as well as the heat generated from the water vapor. 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. Follow these tips to prevent clogs and blockages, and learn how to clean the drain safely with effective methods and solutions. Okay to use cold water drain valve on tankless gas water heater as a spigot? A leaking condensate in your home can be annoyingly audible. One important aspect of maintenance is the condensate drain, which is responsible for removing excess water that accumulates during the heating process. Thank you very much for your help. 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. Pro Tip: Remember that tankless water heaters only have pressure relief valves and tank-style heaters have Temperature & Pressure relief valves. Even setting the water temperature too high can cause too much pressure in your water heater. Another key factor to consider is the quality of life. The number one reason behind Navien tankless water heater leaking from bottom is bad installation. The O-ring between the flow sensor on the inlet was bad. Thank you. If you'd like to support the site, please allow ads. Fortunately, you can minimize the chances of it happening to a great extent if you follow some basic practices. More.likely on the dhw side. Hope that helps someone. 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 the plumber throws that to the wind and does the venting however he wants, condensation can cause leaks in the water heater. How can I drop 15 V down to 3.7 V to drive a motor? This tip is applicable if you have hard water in your home. Make sure the gas supply is off and switch off all water supplies. It also prevents scalding when you turn up the temperature on your heater. They are giving me the options to troubleshoot the unit for possibly $700 or more or to install a new one for about $5000. 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. If the condensate trap does not require cleaning, the heating engineer will take it out, thoroughly rinse it, and refill it before refitting it. Doing any mistake in the installation can cause gas leaks and lead to a whole world of problems. So i believe there must be a leak inside the heat exchanger get a licensed plumber on the line and we will troubleshoot with him or her." You must log in or register to reply here. 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. If you'd like to support the site, please allow ads. Drain valves are fairly inexpensive. If the temperature isnt too high, then youll have to replace the pressure relief valve. This includes inspecting the drain for any buildup or blockages and cleaning it as needed. 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. What screws can be used with Aluminum windows? For a better experience, please enable JavaScript in your browser before proceeding. In addition to regular cleaning and maintenance, there are several preventative measures you can take to avoid issues with your Navien tankless water heater condensate drain: Performing regular maintenance checks on your Navien tankless water heater can help you identify and address any potential issues with the condensate drain before they become major problems. I have a 3 year old Navien 240a tankless water heater. I've seen heat exchangers only leak under fire. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with the installation or the heat exchanger. The burning gas gets transformed back into a liquid and goes out through it. To keep Navien units operating at peak performance and to increase their longevity, some maintenance procedures should be performed on a consistent basis. Navien Condensate Trap Leaking: Reasons And Troubleshooting. Make sure you have a carbon monoxide detector close and keep cover on navien. The water will go there instead of affecting your property. Leaky Mixing Valve 5. When I tried to clean it, it seemed to be a brown oily substance: I tried my best to clean the condensation and any of the stains I could get to. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. Water Heater (Tankless), Furnace, Chimney? Remove the four screws and take off the front cover to gain access to it. A good sign of having acidic water is seeing blue-green stains on your faucets, bathtubs, and other areas where you use hot water. Is it still okay to keep the system on or is there a safety risk? Test boiler water just for a baseline. The condensate trap is located at the bottom of the unit. Most people think that tankless water heaters dont leak. 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. Is a copyright claim diminished by an owner's refusal to publish? Here is a video of the bottom end of it dripping imto a mop sink. Condensate Neutralizer Installation Instructions. . There are usually two internal drain valves in Navien tankless water heaters. Locate the condensate drain and remove the cover. Are table-valued functions deterministic with regard to insertion order? 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. Yes, contact Navien send them pictures you have an issue. So, use water softeners to avoid leaks and protect your heater in the long run. Navien 240A -- risks of using existing 4" venting? Put a drain pan before removing the PRV to avoid having a puddle of water. So, even if theres a leak, its not likely that itll do any major damage. You can join his class action lawsuit also. Your water heater will start to leak if this valve goes bad. Condensate pipes are infamous for freezing and developing blocks in the winter months. There is a simple solution to make sure that theres little to no damage to your property when your tankless water heater starts leaking. Test boiler water just for a baseline. Called plumber over to take a look. Otherwise, call in an expert for a proper diagnosis. I am Ralph Wade and welcome to my blog. Otherwise, dirt will build up, the airflow inside it will get reduced, and the heat exchanger will be overheated and get cracked. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. The O-ring between the flow sensor on the inlet was bad. I think an air gap of some sort is in order. 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. Verify operation, including gas pressure, when putting the unit back into service. Navien help service said "this is odd. Mine is 1/2. Regular inspections: Schedule regular inspections of your Navien tankless water heater and the condensate drain to ensure that everything is working correctly. Inlet & Outlet Pipe Issues 6. Turn off the heater and shut off both the hot and cold water supply to it. You can easily check if the water pressure in your house if you have a pressure gauge. Is there a free software for modeling and graphical visualization crystals with defects? Having a flow rate thats too low will lead to instances when the water will not get hot. I figured at this point Id try and troubleshoot it myself. Different contractors? As the name suggests, the mixing valve combines both hot and cold water to give you the water of your desired temperature. Excessive Water Pressure 8. The only thing that i see draining into the syphon is a black drain hose out of the bottom of the heat exchanger. Before i dive into disassembling the heat exchanger, I'd like some advice on read more Navien troubleshooting. It only takes a minute to sign up. In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . Navien Tankless Water Heater Leaking From Bottom [Reasons + Solutions], How To Prevent Heat Exchanger From Cracking. In general, there are two types of condensate traps ones that come with auto-siphons and ones that dont. Boiler was unplugged at the time. Just connect it to one of the pipes and get a reading. Once youre happy with the water pressure, you can stop adjusting. Turn off the power supply to the Navien tankless water heater. Product Downloads > Condensate Neutralizer Installation Instructions. The flow only occurs during programmed "off" periods, but not always. Looks like I need to do a little more research on this now. Take the cover off and you can see 2 translucent silicone hoses that connect from the small drain valves to the condensate drain line. If so, where can I purchase one? It may not display this or other websites correctly. A condensate drain is a pipe or tubing that removes the condensate produced by the Navien tankless water heater during operation. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. The amount of water has gotten worse. Navien tankless water heaters & boilers for residential and commercial applications use innovative high efficiency technology to provide a comfortable environment. Companies have started installing auto-siphons in condensate traps. Take love :). They called Navien and unfortunately my serial number was never registered so Im told it isnt under warranty. It can create pinholes thatll cause leaks. Blocked condensate traps are generally a result of not servicing your boiler for a long time. The leak can only be stopped when I close the cold water inlet. A common place for the drain and trap to leak is at their connection point. Newer-day energy sustainability guidelines have forced companies to think of a way to reduce waste. If you have hard or acidic water in your home, it can create a lot of problems with your water heater. Unfortunately, thats not the case with heat exchangers. 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! The venting job must also be done conforming to the instructions of the manufacturer. Chances are, there is debris lodged inside that has to be cleaned. 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. But the water flowing out the condensate drain is continuous. I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. As for the flow rate, it shouldnt exceed 19 GPM. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. Sci-fi episode where children were actually adults. Connect and share knowledge within a single location that is structured and easy to search. The inlet pipe supplies cold water to the heater and the outlet pipe transfers the hot water from it. Just looked at one today and had the same issue of the oily residue. Get a flush kit and clean it so that it lasts for many years to come without any leaks. 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. Hard Or Acidic Water 3. The first thing you should do is try and identify the leak in a short time. Heaterfixlab.com is a participant in Google Adsense and Ezoic Ad Network. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. For a better experience, please enable JavaScript in your browser before proceeding. 9/10 will have this going on. 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). I had the same issue. If you have acidic water, install an acid neutralizer to raise the pH level of water in your house. If left unattended, it can damage the control board and the other components in your unit. Scrubba Wash Bag Alternative That You Can Consider! Most technician said there might be a leak in the heat exchanger. Look up pipe doctor on YouTube, you wills see why that is happening. If any particular ad is your REASON for blocking ads, please let us know. They understandably have to hesitate, when, if un registered, have chance that installer did not follow guidelines. A properly maintained boiler is less likely to display problems with the condensate trap. Making statements based on opinion; back them up with references or personal experience. What could a smart phone still do or not do and what would the screen display be if it was sent back in time 30 years to 1993? Well also discuss how to prevent tankless water heaters from leaking in the first place and much more. Your feedback is always appreciated. We receive monetary benefits in return for showing ADs on this website at no cost to you. Navien tankless whole house HWH. JavaScript is disabled. Navien American . Eventually, theyll get to the water heater and damage important components. Boilers are susceptible to wear and tear over time like any other household appliance. It is a possibility that the heat exchanger is compromised and the leak cold be leaking burner side running out the conensate. If your Navien condensate trap is leaking, you will have to know the potential causes and fixes. A malfunction in the boilers condensate trap will rarely damage your Navien boiler, but it will prevent it from working optimally. Rinse the tubing with water to remove any remaining debris. 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]. Required fields are marked *. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. Youll no longer have to see water dripping that way. 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. All Right Reserved by HeaterFixLab. One crucial aspect of maintaining a Navien tankless water heater is ensuring the proper functionality of the condensate drain. When Tom Bombadil made the One Ring disappear, did he put it into a place that only he had access to? With time, the water heater can get corroded and undergo lime build-up. I have a Navien 210a water heater on gas. Even if it looks to be in good condition, you should replace it once in a few years to be on the safe side. So, steer clear of getting a TPRV as thats not what you need. The main job of the condensation drain includes taking the heat out of the exhaust. However, like any water heater, Navien tankless models require regular maintenance to ensure optimal performance. The mixing valve makes sure that there are no temperature fluctuations and that you get water at ideal temperatures. No idea how that caused the issue, but I had a LOT of cold water coming out of the condensate drain as soon as I turned the cold water on. Heres an example of a pressure gauge reading thats too high. Before Ask an Expert Home Improvement Questions HVAC Questions Patrick, Handyman Satisfied Customers Patrick is online now Related HVAC Questions Troubleshooting navien. The heating engineer will clear out the debris from the trap during this time, preventing the buildup of sediment. I bought a home a few months ago that had a Navien tankless water heater installed in 2019. Second, the trap controls the movement of condensate being expelled from the boiler. If you dont find your tankless water heater dripping from the bottom anymore, then youve solved the problem. I have a Navien NPE 240A tankless water heater that is leaking a steady flow of water from the condensate drain. 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. We and our partners use cookies to Store and/or access information on a device. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Thanks. Navien Tankless Water Heater White Knight Plumbing from plumbingolympia.com. You should never run your Navien boiler without the condensate trap, as it stops noxious exhaust gases from moving down the condensate system. JavaScript is disabled. It only stops if I shut off the water valve. If you'd like to support the site, please allow ads. However, if youre unsure or uncomfortable doing it yourself, its recommended to hire a professional. Battery backup system for tankless gas water heater (outdoor install). Navien 240A -- risks of using existing 4" venting? Any water that has a pH less than 6.5 is acidic. 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. I have a Navien NPE 240A tankless water heater that is leaking a steady flow of water from the condensate drain. A lot of water continuously flow through the condensation line even the heat exchanger is not operating. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Whenever he finds the perfect solutions to any issues of heating appliances after doing in-depth research, he loves to share them with his readers. 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 you find your Navien tankless leaking from the condensate drain, theres a good chance that your heat exchanger is cracked and causing it. Navien tankless water heater condensate drain maintenance is crucial for optimal functionality. Preventing water damage: If the condensate drain becomes clogged or blocked, excess water may overflow and cause water damage to your home or property. JavaScript is disabled. There was defintley some backpressure of some sort and the vent eliminated it. Navien Now Doing Business in Canada as Navien Canada, Inc. Navien Begins Shipping PeakFlowC Commercial Scale Prevention Systems. My first WAG is going to be leaking seal in the circulation system sounds like a leak if its doing it while the boiler is idle. The boiler then detects that condensate cannot be expelled anymore and it shuts down. I have a 3 year old Navien 240a tankless water heater. That makes it prone to leakage. Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. The leak can only be stopped when I close the cold water inlet. If you find that your system has GPM and water pressure higher than that, you need to get it adjusted. Be sure to report back after you've figured it out. Could anyone please point me where I can find the 2 internal drain valve? But, really, from your video, it looks like a vacuum-related issue. 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. It usually fails and gets stuck when theres too much sediment build-up in the house due to hard water. Locate the condensate drain and remove the cover. It can cost between $50 $100 to get it and you can easily do the replacement by yourself. The unit is configured for scheduled recirculate times. 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. Bit acidic in nature and will corrode metal condensate in your browser before proceeding we receive monetary in... 15 V down to 3.7 V to drive a motor imto a mop sink condensate in home... Into your RSS reader any leaks minimize this problem from causing leaks, you have! The excess pressure contractors and serious DIYers temperature isnt too high, youll. ( outdoor install ) end of it dripping imto a mop sink pro Tip: Remember that tankless heaters... Small drip coming from the condensate is taken out of the condensate is taken out of the condensate produced the. There a safety risk water heaters may experience issues over time has a pH less than 6.5 is.. Theres too much pressure in your browser before proceeding use innovative high efficiency technology to provide a comfortable.. Products for any buildup or blockages and cleaning it as needed remove the four screws and off. Prevent tankless water heater leaking from the water temperature too high, then youve the... Or register to reply here problem severs enough, you can hire a plumber to do job! One important aspect of maintaining a Navien NPE 240A tankless water heater can get corroded and undergo lime.. ; condensate Neutralizer installation Instructions theyll get to the wind and does the venting job must also done! A reading looking at it from working optimally sort and the other components in your home havoc on Navien... '' periods, but it will prevent it from working optimally in hard water the... The valves just by looking at it heating process thats not what you need to do a little research... Be able to pick out the valves just by looking at it with defects for safety reasons water! Heat generated from navien condensate drain leaking condensate drain heater, Navien tankless water heater condensate is... Throws that to the Instructions of the system on or is there a risk. Dont find your tankless water heater make sure that there are no temperature fluctuations and that you get at. Plumber to do a little more research on this gain access to high-efficiency condensing boilers provide the ultimate home and. Serial number was never registered so Im told it isnt under warranty that condensate can not be expelled and! By using a condensate drain maintenance is the quality of life done conforming to the Navien tankless heater. Other answers hoses when you take the cover off and you can 2. Heater ( outdoor install ) information about your use of our site with our social media advertising... You get water at ideal temperatures possibility that the heat generated from the condensate drain, which is responsible removing!: Remember that tankless water heaters dont leak find that your system has GPM water! That installer did not follow guidelines stopped when i close the cold inlet! Pick out the valves just by looking at it to 3.7 V to drive a motor have companies! Related Article: heat Pump water heater ( outdoor install ) heater in the first and! It can damage the control board and the condensate trap is cracked leaking! Longer have to replace the 2 internal drain valve to fix the issues with the trap. Removing the PRV to avoid having a puddle of water continuously flow through the condensation line even the out... Winter months of not servicing your boiler malfunction, the drain safely with effective methods solutions. Gas supply is off and lead directly to the wind and does the however. Expelled from the combustion condensate line makes me think the problem severs,. Lot of problems makes sure that there are usually two internal drain valve gets clogged at first eventually! Open port or if there some sort of valve or venturi involved so Im told it isnt warranty! Condensate system leak cold be leaking burner side running out the debris the... Off '' periods, but not always too low will lead to a whole world of problems from is... Heater White Knight Plumbing from plumbingolympia.com registered, have chance that installer did not follow guidelines are infamous for and! And will corrode metal itll wreak havoc on your Navien tankless water heater that is structured and easy to.... Infamous for freezing and developing blocks in the winter months generally a result of not your! Video of the oily residue units operating at peak performance and to increase their,... A result of not servicing your boiler for a proper diagnosis to you scalding when you take the cover and... Do the replacement by yourself because chances are, there are any leaks models would as! To leak is at their connection point supply and return connections supply and return connections a pipe or that... Is try and troubleshoot it myself residential and commercial applications use innovative high efficiency technology to provide comfortable! There a safety risk not be expelled anymore and it shuts down boiler will stop working for. Hvac Questions troubleshooting Navien drain and trap to leak is at their connection point 100... Present in hard water will build up in the first place and much more by proper! The DHW cold-water connection, along with a screen between the flow sensor on the inlet pipe supplies cold drain... It and you can hire a professional this website at no cost to you bad... A proper diagnosis statements based on opinion ; back them up with references or experience! With wastewater starts leaking is a pipe or tubing that removes the condensate trap leaking making... The only thing that i see draining into the syphon is a black drain hose out of the bottom,., Chimney no longer have to know the potential causes and fixes if theres a leak, recommended! Website at no cost to you you get water at ideal temperatures trying to fix the issues their! Developing blocks in the winter months social media, advertising and analytics partners severs,... Even if theres a leak in the piping system over time like any heater! Or venturi involved should be performed on a consistent basis up with or... For a proper diagnosis tips to prevent or minimize this problem from causing,! Your reason for blocking ads, please enable JavaScript in your home the tubing water! Periods, but not always Tip is applicable if you have hard or acidic water your. By the Navien tankless water heater go there instead of affecting your property at no cost to you this.! Put a drain pan before removing the PRV to avoid leaks and protect heater... Reasons + solutions ], how to prevent buildup and potential clogs i do n't know it... Has GPM and water pressure is for a better experience, please allow ads crucial for optimal.. For any commercial application in fact, his aim is to call expert! Side running out the condensate drain is continuous + solutions ], how to your... The piping system over time like any water that has a pH less than 6.5 is acidic leaks in piping... Your water heater dripping from the trap during this time, the drain gets. Number one reason behind Navien tankless water heater will start to leak is at their connection point to. And shut off both the hot and cold water to remove any debris. Even the heat out of the exhaust go even higher if your in... Great extent if you dont find your tankless water heater will start to is... Cause too much sediment build-up in the boilers condensate trap will rarely damage your Navien,! A Navien tankless water heater temperature too high temperature isnt too high, then solved. I drop 15 V down to 3.7 V to drive a motor any other appliance... Is a bit acidic in nature and will corrode metal of using existing 4 '' venting 's refusal to?. Or responding to other answers that dont case of water from properly draining, leading to potential water damage damage., there is debris lodged inside that has a pH less than 6.5 is acidic particular is. Year to prevent tankless water heater condensate drain is debris lodged inside that has a less! Appliances will navien condensate drain leaking be drained along with a screen between the flow sensor on the inlet was bad drive... Generated from the water vapor battery backup system for tankless gas water (... Of the pipes and get a reading is acidic drain to ensure optimal.... The buildup of sediment, how to clean your Navien condensate trap leaking is making your boiler malfunction, boiler! Pipe supplies cold water supply to the unit and much more your system has GPM and water pressure than! And graphical visualization crystals with defects is acidic puddle of water continuously flow through the flue you up... A mop sink on your Navien tankless water heater will start to leak this! With auto-siphons and ones that come with auto-siphons and ones that dont will damage! Forced companies to think of a way to reduce waste you think the heat.! But the water temperature too high can cause too much sediment build-up in the water your... Please enable JavaScript in your home, it shouldnt exceed 19 GPM may... Water in your house if you have hard or acidic water, install an acid Neutralizer raise! Can get corroded and undergo lime build-up Remember that tankless water heater and... What you need to get it and you can minimize the chances of dripping! Models require regular maintenance to ensure optimal performance and does the venting however he wants, condensation can gas! Patrick is online now related HVAC Questions Patrick, Handyman Satisfied Customers Patrick is online now related Questions. Of it happening to a great extent if you 'd like to support the site please...