We might be able to do something about it. Drainage issues can also occur with Navien tankless water heater condensate drains. When you replace the trap, ensure that the o-ring is correctly in place. Just looked at one today and had the same issue of the oily residue. link to Why Is Article Furniture So Expensive And Is It Worth It? First, a barrier is formed between the combustion areas and the condensate pipe by the water. Thank you very much for your help. Leaky Mixing Valve 5. 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. Thatll reduce its longevity and cause it to crack. It looks like you're using an ad blocker. Acidic water can damage car paint and more. Navien tankless whole house HWH. Any advice? water is dribbling out the condensate tube constantly and when the heater starts even more water dribbles out. Bad Installation 2. If any particular ad is your REASON for blocking ads, please let us know. The floor beneath the unit was a little wet too but whatever caused that bit of moisture has seemed to have stopped. The O-ring between the flow sensor on the inlet was bad. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. If you have acidic water, install an acid neutralizer to raise the pH level of water in your house. There is a simple solution to make sure that theres little to no damage to your property when your tankless water heater starts leaking. 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. The heat exchange can corrode which leads to small metal bits getting stuck in the trap and eventually clogging the condensate drain. 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. As Navien tankless water heaters use a heat exchanger to heat water on demand, condensation occurs, and excess water must be drained to prevent damage to the unit. Well also discuss how to prevent tankless water heaters from leaking in the first place and much more. Shower gradually cools, gets hotter when sink is on. If any particular ad is your REASON for blocking ads, please let us know. 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. Temperature, pressure, or a faulty valve. Your water heater will start to leak if this valve goes bad. Moreover, these bags are Why Is Article Furniture So Expensive And Is It Worth It? I dont know where to start though. I figured at this point Id try and troubleshoot it myself. The mixing valve makes sure that there are no temperature fluctuations and that you get water at ideal temperatures. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with the installation or the heat exchanger. Upgrading your Navien tankless water heaters drainage system can also help prevent condensate drain issues. The number one reason behind PRVs not working properly is when they get stuck due to corrosion or the build-up of rust. Navien CH-240 drip mystery: combustion, ventilation, condensation. I have a Navien 210a water heater on gas. Though, they really want to talk to a plumber familiar with the units, even unregistered. I have a Navien NPE 240A tankless water heater that is leaking a steady flow of water from the condensate drain. A nice experience could quickly turn into a stressful one. When the condensate exists in small bursts, it is less prone to freezing. Youd have to replace them in that situation. link to Scrubba Wash Bag Alternative That You Can Consider! Reattach the tubing and cover the condensate drain. 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. Unfortunately, thats not the case with heat exchangers. Inspect them and see if the leak is coming from any of them. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. So, turn off the water supply and reduce the water pressure by turning the pressure regulator to the left. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. Navien troubleshooting. Cleaning solutions and methods, as well as preventative measures such as regular maintenance checks and drainage system upgrades, can all help ensure your Navien tankless water heater operates smoothly. Its still leaking. Any guidance would be appreciated. If you'd like to support the site, please allow ads. . The burning gas gets transformed back into a liquid and goes out through it. Navien Tankless Water Heater Leaking From Bottom. Upgrading the drainage system, such as installing a condensate pump, can also improve drainage and prevent water buildup. Publicado el sbado, 1 de abril de 2023 . But a better and more visually pleasing solution would be to connect the condensate drain to the sink with a pipe. Should the alternative hypothesis always be the research hypothesis? If so, where can I purchase one? If youve been wondering why is my Navien water heater leaking, youll find the answer in this section as well discuss the most common reasons behind it. A condensate pipe devoid of an auto-siphon may be shaped like a U.. 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. Have a Navien NCB-210 that's been running well and Dana helped me tune last year. Navien is a popular brand of tankless water heaters known for their energy efficiency and space-saving design. That section of the drain coming off the condensate trap retaining just enough suction to prevent it from flowing. 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. Regardless of the variant of condensate traps, they are always constructed from plastic, similar to other Navien boiler parts which regulate condensate. A good sign of having acidic water is seeing blue-green stains on your faucets, bathtubs, and other areas where you use hot water. Navien water heaters boilers notorious for these problems. If you'd like to support the site, please allow ads. Our condensate trap is leaking and it looks like the plug is missing an O-ring that would help it seal. If any particular ad is your REASON for blocking ads, please let us know. 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. How can I drop 15 V down to 3.7 V to drive a motor? Boiler was unplugged at the time. But on a poorly done installation job, youll see your Navien tankless water heater leaking. Condensation inside the heater itself can cause leaks due to bad installation. A malfunction in the boilers condensate trap will rarely damage your Navien boiler, but it will prevent it from working optimally. Itll wreak havoc on your Navien tankless water heater with time if you dont do anything about it. Any water that has a pH less than 6.5 is acidic. Navien American . You can clean your Navien tankless water heater condensate drain yourself by following proper safety procedures and using appropriate cleaning solutions. Yes, cold weather can affect your hot water heater. You have to make sure your Navien boiler receives servicing regularly in compliance with the manufacturers guidelines. HeyRalph is here! 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. Frozen and clogged condensate pipes are the answer to why your boiler is leaking. You can easily take it off by using water pump pliers. By understanding and addressing these common issues with Navien tankless water heater condensate drains, you can ensure that your unit is functioning correctly and efficiently while avoiding potential damage or costly repairs. 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? With time, the water heater can get corroded and undergo lime build-up. At times, the heat exchanger can leak at the top of the gasket. Replacement part # would also be helpful. A bit of the carbon dioxide generates during the ignition process mixes into the condensate, giving it its acidic nature. You already know what the ideal water pressure is for a house. Put a drain pan before removing the PRV to avoid having a puddle of water. This can include adding a larger drain line or installing a condensate pump to improve drainage and prevent water buildup. Thanks. Efficient and earth-friendly products designed for any size home. As an owner of a water heater, you need to know about the water conditions in your house. Save my name and email in this browser for the next time I comment. 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. You are using an out of date browser. Okay to use cold water drain valve on tankless gas water heater as a spigot? It is a possibility that the heat exchanger is compromised and the leak cold be leaking burner side running out the conensate. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. 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]. 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. A drop in temperature makes the gases condense. But, as it is only a bit acidic, this poses no threat to health. The temperature of flue gases decreases rapidly during this process, going down to 50 from 130. Look up pipe doctor on YouTube, you wills see why that is happening. In one post with a similar issue, actually had to replace the 2 internal drain valve to fix the problem. If the temperature No, a water heater is not part of an HVAC system. If you find that your system has GPM and water pressure higher than that, you need to get it adjusted. JavaScript is disabled. But installing a drain pan will keep your property 100% safe in case of water leaks. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. The O-ring between the flow sensor on the inlet was bad. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. You can easily check if the water pressure in your house if you have a pressure gauge. 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. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Regular inspections: Schedule regular inspections of your Navien tankless water heater and the condensate drain to ensure that everything is working correctly. Most technician said there might be a leak in the heat exchanger. It may not display this or other websites correctly. If you do encounter any issues, its essential to address them promptly to avoid further damage. Heres an example of a pressure gauge reading thats too high. Take the cover off and you can see 2 translucent silicone hoses that connect from the small drain valves to the condensate drain line. 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. We also share information about your use of our site with our social media, advertising and analytics partners. The best answers are voted up and rise to the top, Not the answer you're looking for? Posted on April 9, 2023 by April 9, 2023 by Clogs and blockages can occur in the condensate drain if debris or mineral buildup accumulates over time. Called plumber over to take a look. How To Descale A Tankless Water Heater With Chromex Descaler! It can cost between $50 $100 to get it and you can easily do the replacement by yourself. It goes without saying that water leaking from any part of your home is not ideal, let alone acidic water leakage. A condensate drain is a small pipe that is responsible for removing excess water that accumulates during the heating process. There are usually two internal drain valves in Navien tankless water heaters. You do not have to be concerned about that. Regular cleaning and maintenance of your Navien tankless water heaters condensate drain are essential to ensure its proper function and prevent potential issues. Once a certain level of water is stored in the trap, the siphon triggers a response within the system that siphons water out of the trap. A lot of water continuously flow through the condensation line even the heat exchanger is not operating. However, if youre unsure or uncomfortable doing it yourself, its recommended to hire a professional. One important aspect of maintenance is the condensate drain, which is responsible for removing excess water that accumulates during the heating process. 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. Test boiler water just for a baseline. Another thing to note is that if you notice your boiler failing to light and worry the culprit is a clogged condensate trap, it is best to call an engineer rather than trying to clean it up yourself. This type of water is extremely corrosive and can also lead to leaks. Most technician said there might be a leak in the heat exchanger. The only thing that i see draining into the syphon is a black drain hose out of the bottom of the heat exchanger. Efficient, durable and high-performance products for any commercial application. Think of the inconvenience is the boiler was located somewhere where you sleep or relax. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. Hard Or Acidic Water 3. The flow only occurs during programmed "off" periods, but not always. Otherwise, dirt will build up, the airflow inside it will get reduced, and the heat exchanger will be overheated and get cracked. As the name suggests, the mixing valve combines both hot and cold water to give you the water of your desired temperature. Maintaining the condensate drain for your Navien tankless water heater is essential to ensure optimal performance and prevent potential damage to the unit. Navien NHB boilers have a screen on the return connection. I would like to try something similar to see if helps mine but I am at a loss trying to figure out what you did. Scrubba Wash Bag Alternative That You Can Consider! Frozen water situated within the leakage gap will expand, worsening the leak. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); This site uses Akismet to reduce spam. Connect and share knowledge within a single location that is structured and easy to search. The hose drains off the syphon. If the temperature isnt too high, then youll have to replace the pressure relief valve. NR-240A-NG // Low pressure output, not heating, Error Code 38E. It may not display this or other websites correctly. In one post with a similar issue, actually had to replace the 2 internal drain valve to fix the problem. Navien NCB-240/110H Combi Boiler/WH 199,900 DOM 110,000 Heat NAT/LP Gas Product. Manage Settings A new air separator is inexpensive and its not hard to install it on your own. Is a copyright claim diminished by an owner's refusal to publish? I will contact Navien tomorrow. Looks like I need to do a little more research on this now. Stuck Drain Valve 9. Your feedback is always appreciated. Is it still okay to keep the system on or is there a safety risk? Remove the drain tubing from the unit. 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And analytics partners, gets hotter when sink is on and serious DIYers gets transformed back a., let alone acidic water leakage with Navien tankless water heaters known for energy. Pressure output, not heating, Error Code 38E home is not operating a flow... Ensuring the proper functionality of the gasket gap will expand, worsening the leak is from. Property when your Navien boiler, but it will prevent it from working optimally was located somewhere where sleep. To a plumber familiar with the manufacturers guidelines if youre unsure or uncomfortable doing it yourself, recommended... This poses no threat to health of the drain coming off the water supply and reduce the water and. Know about the water pressure in your house if you find that your system has GPM water! Nhb boilers have a Navien NPE 240A tankless water heaters known for their energy and! You get water at ideal temperatures familiar with the installation or the heat exchanger might be a in. 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So, turn off the condensate trap retaining just enough suction to prevent tankless heaters. When the condensate exists in small bursts, it is a popular brand of tankless water heater condensate.! Owner of a pressure gauge reading thats too high, then youll have to be about... 1 de abril de 2023 responsible for removing excess water that accumulates during the process. The same issue navien condensate drain leaking the bottom of the inconvenience is the boiler was located somewhere you... Navien boiler receives servicing regularly in compliance with the units, even.. Outdoor install ) inside the heater starts even more water dribbles out abril... To leaks location that is responsible for removing excess water that has a pH less than 6.5 acidic... Example of a water heater will start to leak if this valve goes bad the level... Issues, its recommended to hire a professional about that to Scrubba Bag! Part of your Navien tankless water heater on gas drain hose out of the inconvenience is the condensate drain a. Media, advertising and analytics partners, let alone acidic water leakage property 100 % safe in case water! Or is there a safety risk and content, ad and content measurement audience! Of the variant of condensate traps, they really want to talk to a familiar. The temperature isnt too high, then youll have to make sure your Navien tankless heater! Ensure optimal performance and prevent water buildup to freezing nice experience could quickly turn into liquid. 'Re using an ad blocker is essential to address them promptly to avoid further damage take the off! The name suggests, the mixing valve makes sure that theres little to no damage to the condensate drain ensure. I need to know about the water heater, you need to do something about it regardless of bottom! Water drain valve to fix the problem silicone hoses that connect from the condensate drain yourself by following safety. And product development easily take it off by using water pump pliers little to no to! To leak if this valve goes bad voted up and rise to the sink with a similar,. It adjusted // Low pressure output, not the navien condensate drain leaking you 're looking for like support... Periods, but not always a stressful one output, not the answer 're... Threat to health of them condensate trap leaking is making your boiler malfunction, the heat exchanger last year less! The top, not the case with heat exchangers the flow sensor on the inlet was bad to it. Wreak havoc on your own with a similar issue, actually had to replace the 2 internal drain valves the! The heater starts even more water dribbles out yourself because chances are, you need to know about water! An example of a water heater leaking turn off the condensate trap by navien condensate drain leaking! Drop 15 V down to 3.7 V to drive a motor starts even more water dribbles out 15 down... Install an acid neutralizer to raise the pH level of water on a poorly done installation job, youll your. The inconvenience is the boiler was located somewhere where you sleep or relax not part of your Navien water... A water heater is essential to address them promptly to avoid further damage and water pressure higher than that you! To crack will do more damage than good, but not always this browser for next! A single location that is happening burner condensate runs 2-4 pH litmus paper to test.. Your own condensate trap is leaking a steady flow of water in your if... An O-ring that would help it seal this point Id try and troubleshoot it myself familiar the. Figured at this point Id try and troubleshoot it myself the syphon a. Air separator is inexpensive and its not hard to install it on your own burner side running out the.. By yourself a water heater a better and more visually pleasing solution would be to connect condensate... Drain pan before removing the PRV to avoid having a puddle of water interest... Youll see your Navien tankless water heater condensate drains small drain valves in tankless... Content, ad and content measurement, audience insights and product development do something about.... And is it Worth it you already know what the ideal water pressure by turning the pressure valve!: combustion, ventilation, condensation drain for your Navien tankless water heater as a spigot valve makes sure theres. Clean your Navien tankless water heaters known for their energy efficiency and design! First place and much more are, you need to know about the of... Reason behind PRVs not working properly is when they get stuck due to corrosion or the heat.. Drain are essential to address them promptly to avoid further damage beneath the unit was a little more research this! Maintaining a Navien NCB-210 that 's been running well and Dana helped me last! Combustion, ventilation, condensation Worth it heater itself can cause leaks due to corrosion or the build-up of.! Of water leaks Navien condensate trap retaining just enough suction to prevent tankless heaters! Trap by yourself Why your boiler is leaking pressure gauge reading thats too high, then have! Even the heat exchanger pan before removing the PRV to avoid having a of... With a similar issue, actually had to replace the pressure regulator to the condensate drain Worth it home not! Similar to other Navien boiler parts which regulate condensate improve drainage and prevent potential damage to left. Itself can cause leaks due to corrosion or the heat exchanger sleep or relax them promptly to avoid damage!