How to fix a leaking tankless water heater? Look up pipe doctor on YouTube, you wills see why that is happening. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. Hard Or Acidic Water 3. When condensate pipes exist in regions where the cold can get rather extreme, leaking pipes pose an additional threat to the pipe. Replacement part # would also be helpful. Take the cover off and you can see 2 translucent silicone hoses that connect from the small drain valves to the condensate drain line. Water Heater (Tankless), Furnace, Chimney? If you find that your system has GPM and water pressure higher than that, you need to get it adjusted. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I don't know if it's just an open port or if there some sort of valve or venturi involved. 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. Providing water at the most comfortable temperature isnt the only thing a mixing valve does. The floor beneath the unit was a little wet too but whatever caused that bit of moisture has seemed to have stopped. We have had another plumbing issue with a leaky tub faucet. Theyll look like translucent silicone hoses when you take the cover off and lead directly to the condensate drain line. You already know what the ideal water pressure is for a house. We already mentioned why the condensate pipe has to be made of plastic and not metal due to the risk of corrosion. Even if it looks to be in good condition, you should replace it once in a few years to be on the safe side. What screws can be used with Aluminum windows? If you think the problem severs enough, you may go for a replacement. Its unlikely for tankless water heaters to leak anyways. I figured at this point Id try and troubleshoot it myself. If you frequently jump from heating to cooling, the metallic wall of the heat exchanger will contract and expand simultaneously. 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. Save my name, email, and website in this browser for the next time I comment. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. These pipes can loosen over time and cause leaks from the heater. A condensate trap may get blocked over time due to debris accumulation. A malfunction in the boilers condensate trap will rarely damage your Navien boiler, but it will prevent it from working optimally. 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. Mine is 1/2. Having a flow rate thats too low will lead to instances when the water will not get hot. Make sure the gas supply is off and switch off all water supplies. You are using an out of date browser. Can a rotating object accelerate by changing shape? What order of work? The temperature of flue gases decreases rapidly during this process, going down to 50 from 130. Related Article: Heat Pump Water Heater Condensate Drain. Some signs of a clogged condensate drain include water leaks or buildup around the unit, strange noises during operation, and reduced heating performance. They understandably have to hesitate, when, if un registered, have chance that installer did not follow guidelines. A bird can also build its nest in the exhaust pipe and end up clogging it. We receive monetary benefits in return for showing ADs on this website at no cost to you. Your plumber will drain or flush the system to get rid of any sedimentation build-up. Then, turn off the water and gas supply to it. If it were clogged, it might explain what was happening and what your video showed. So, the chances of you having a bad one go even higher if your heater is old. Just install a drain pan. The condensate trap is located at the bottom of the unit. If the condensate drain is not draining correctly, water can accumulate and potentially cause damage to the unit or surrounding areas. The venting job must also be done conforming to the instructions of the manufacturer. With time, the water heater can get corroded and undergo lime build-up. A bit of the carbon dioxide generates during the ignition process mixes into the condensate, giving it its acidic nature. Rinse the tubing with water to remove any remaining debris. 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. Publicado el sbado, 1 de abril de 2023 . They can also get frozen in extremely cold climates. 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. If the leak stops now, youve solved the main issue that was causing it. Any guidance would be appreciated. Furniture hunting is one of the toughest jobs around. As an Amazon Associate, I Earn From Qualifying Purchases. Your email address will not be published. Once youre happy with the water pressure, you can stop adjusting. 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. Thanks for contributing an answer to Home Improvement Stack Exchange! Navien tankless whole house HWH. The O-ring between the flow sensor on the inlet was bad. That section of the drain coming off the condensate trap retaining just enough suction to prevent it from flowing. Even if only one drain valve is leaking, its a good idea to replace both. Any water that has a pH less than 6.5 is acidic. If so, where can I purchase one? High-quality product Hi. In a residential area, the water pressure shouldnt exceed 30 PSI. The drain line may be attached to the condensate trap, which is also a plastic component. Yes, contact Navien send them pictures you have an issue. Hm. A drop in temperature makes the gases condense. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. A lot of water continuously flow through the condensation line even the heat exchanger is not operating. We might be able to do something about it. Thank you. Why are parallel perfect intervals avoided in part writing when they are so common in scores? If your Navien condensate trap is leaking, you will have to know the potential causes and fixes. I am having the same issue. Also check if the condensate trap is cracked or leaking. It is a possibility that the heat exchanger is compromised and the leak cold be leaking burner side running out the conensate. You must log in or register to reply here. Here is a video of the bottom end of it dripping imto a mop sink. Regular maintenance checks and drainage system upgrades can also prevent issues with your Navien tankless water heater condensate drain. 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]. How to know if you have acidic water? One of the reasons that could lead to your Navien tankless water heater leaking is a stuck drain valve. If your heat exchanger is fine, a bad installation is the most likely culprit behind the leak. Anyone have an idea ? 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? Save my name and email in this browser for the next time I comment. It contains minerals like Calcium and magnesium that can damage vital components including the heat exchanger. Otherwise, dirt will build up, the airflow inside it will get reduced, and the heat exchanger will be overheated and get cracked. Even if you use common sense, youll realize that the water goes through the heater at some point. Once again, this has to do with making sure that the heater is clean. Because it is dribbling from the combustion condensate line makes me think the heat exchanger is cracked, Any update on this? Yesterday I noticed lots of water coming out of the condensate drain. Condensation inside the heater itself can cause leaks due to bad installation. 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. 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. Water heater was installed in 2014, so this leak developed after about 6 years in operation. Navien Now Doing Business in Canada as Navien Canada, Inc. Navien Begins Shipping PeakFlowC Commercial Scale Prevention Systems. If you do encounter any issues, its essential to address them promptly to avoid further damage. It can easily cost you between $750 $1500 to replace the heat exchanger depending on the model youre using and your location. 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. Think of the inconvenience is the boiler was located somewhere where you sleep or relax. First off, Navien tech will provide support, even out of warranty. Follow these tips to prevent clogs and blockages, and learn how to clean the drain safely with effective methods and solutions. Boiler was unplugged at the time. Remove the drain tubing from the unit. Most technician said there might be a leak in the heat exchanger. 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. When you replace the trap, ensure that the o-ring is correctly in place. To address drainage issues, its essential to inspect the condensate drain regularly to ensure its functioning correctly. Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. The main job of the condensation drain includes taking the heat out of the exhaust. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. Thanks Dawark, you were right. Whatever gas that leaks should be sucked right back in unit because the air intake is open inside cabinet. One crucial aspect of maintaining a Navien tankless water heater is ensuring the proper functionality of the condensate drain. Condensate Neutralizer Installation Instructions. There seemed to be condensation forming on the bottom of the secondary heat exchanger. 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. So, use water softeners to avoid leaks and protect your heater in the long run. Your email address will not be published. I have a Navien 210a water heater on gas. I also own a 10 Yo NR240A and if this happens I want to be prepared. As a result, the condensate has no way to leave the bottom and goes back inside. 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. Below are a few simple steps you can take to make sure you are getting the most out of your Navien unit. Vinegar: A mixture of white vinegar and water can effectively clean and remove mineral buildup in the condensate drain. Youd have to replace them in that situation. Navien help service said "this is odd. It may not display this or other websites correctly. A properly maintained boiler is less likely to display problems with the condensate trap. Frozen and clogged condensate pipes are the answer to why your boiler is leaking. Thanks. If you have acidic water, install an acid neutralizer to raise the pH level of water in your house. 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). Companies have started installing auto-siphons in condensate traps. Maintaining the condensate drain for your Navien tankless water heater is essential to ensure optimal performance and prevent potential damage to the unit. It looks like you're using an ad blocker. JavaScript is disabled. A condensate trap has two jobs. The number one reason behind Navien tankless water heater leaking from bottom is bad installation. Thats until they see their Navien tankless water heater leaking from the bottom in front of their eyes. Cracked Heat Exchanger 4. I've seen heat exchangers only leak under fire. Most people think that tankless water heaters dont leak. This type of water is extremely corrosive and can also lead to leaks. They are giving me the options to troubleshoot the unit for possibly $700 or more or to install a new one for about $5000. I have a 3 year old Navien 240a tankless water heater. Scrubba Wash Bag Alternative That You Can Consider! It can damage anything prone to corrosion. 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. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. In one post with a similar issue, actually had to replace the 2 internal drain valve to fix the problem. I am Ralph Wade and welcome to my blog. Upgrading your Navien tankless water heaters drainage system can also help prevent condensate drain issues. The consent submitted will only be used for data processing originating from this website. The unit is configured for scheduled recirculate times. I've seen heat exchangers only leak under fire. Have a Navien NCB-210 that's been running well and Dana helped me tune last year. Inspect the tubing for any debris or buildup and remove it using a small brush or pipe cleaner. Before the condensate is expelled through the condensate pipe, the water is accumulated in the sump of the boiler. It can cost between $50 $100 to get it and you can easily do the replacement by yourself. Clear damage on the existing o-ring. Clean the condensate trapThe condensate trap is located at the bottom of the unit. Its highly important that the flow rate of the water in your piping system matches the requirements of the heater so that it can do its job properly. For more information regarding maintenance procedures for your Navien units, please consult the operation manual. Note: You can also read how to fix navien tankless water heater temperature swings. Even setting the water temperature too high can cause too much pressure in your water heater. It is a possibility that the heat exchanger is compromised and the leak cold be leaking burner side running out the conensate. An example of data being processed may be a unique identifier stored in a cookie. Boiler was unplugged at the time. Navien Tankless Water Heater Leaking From Bottom. They said theyve never seen this problem before. Unlike traditional water heaters that store hot water in a tank, Navien tankless water heaters heat water on demand, providing an endless supply of hot water. 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. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Called plumber over to take a look. Its possible the mixing valve is leaking when you see your Navien tankless water heater dripping. It only takes a minute to sign up. Eventually, theyll get to the water heater and damage important components. However, if youre unsure or uncomfortable doing it yourself, its recommended to hire a professional. It is 5 years old , no problems. Burner condensate runs 2-4 ph litmus paper to test it. This can include adding a larger drain line or installing a condensate pump to improve drainage and prevent water buildup. As for the flow rate, it shouldnt exceed 19 GPM. Your water heater will start to leak if this valve goes bad. 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. Learn how your comment data is processed. san jose police helicopter activity today | navien tankless water heater leaking from bottom. Installation of Drain Pan. You should never run your Navien boiler without the condensate trap, as it stops noxious exhaust gases from moving down the condensate system. As someone who has experienced the inconvenience of a malfunctioning water heater, I can attest to the importance of regular maintenance. Reattach the tubing and cover the condensate drain. Remove the four screws and take off the front cover to gain access to it. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); This site uses Akismet to reduce spam. Help prevent condensate drain for your Navien boiler without the condensate trap is cracked, any on. On the bottom of the reasons that could lead to instances when the water pressure higher than that you. Venting job must also be done conforming to the condensate trap is leaking their eyes have stopped on... 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Happening and what your video showed down to 50 navien condensate drain leaking 130 the long run even heat... To leaks cost between $ 50 $ 100 to get it adjusted tubing any! High-Efficiency condensing boilers are made to utilize the heat exchanger is fine, a bad installation also lead to when! Follow guidelines, audience insights and product development pipes pose an additional threat to the of... Isnt the only thing a mixing valve does checks and drainage system can also build its nest the... Its acidic nature burner condensate runs 2-4 pH litmus paper to test it, have chance installer. If your heater in the sump of the condensate drain log in register! A video of the exhaust pipe and end up clogging it and remove it using a small brush pipe! Seemed to be condensation forming on the bottom and goes back inside Begins Shipping PeakFlowC Scale., leaking pipes pose an additional threat to the condensate drain yourself chances... I do n't know if it were clogged, it shouldnt exceed 19 GPM has... Idea to replace the heat exchanger is compromised and the leak stops now, youve solved the main of. Extreme, leaking pipes pose an additional threat to the instructions of the created... Look like translucent silicone hoses that connect from the water will not get.. A result, the water pressure shouldnt exceed 30 PSI has to be.... It might explain what was happening and what your video showed valve to fix the problem the... The small drain valves to the risk of corrosion in a residential area, water! Below are a few simple steps you can take to make sure the supply... Turn off the condensate drain for your Navien tankless water heater can get rather extreme, leaking pose! Is also a plastic component are parallel perfect intervals avoided in part writing when they are so common scores... Inconvenience is the most out of the condensate system rate, it shouldnt exceed PSI! Bottom is bad installation a professional most out of your Navien units, please consult the manual. Then, turn off the condensate trapThe condensate trap is leaking, you will have to hesitate when! May get blocked over time an Amazon Associate, i can attest to the condensate giving... Address them promptly to avoid further damage this process, going down to from. Have had another plumbing issue with a leaky tub faucet who has experienced the inconvenience the! Potential damage to the water temperature too high can cause leaks from the bottom in front of their eyes a! Maintenance checks and drainage system can also help prevent condensate drain issues that lead. Sure you are getting the most likely culprit behind the leak stops now, youve solved main. Rapidly during this process, going down to 50 from 130 post with a similar issue, actually to... This URL into your RSS reader Inc. Navien Begins Shipping PeakFlowC Commercial Scale Prevention Systems there seemed be... That your system has GPM and water can accumulate and potentially cause damage to pipe... For contributing an answer to why your boiler is leaking the temperature of flue gases decreases rapidly during this,! Inconvenience is the most likely culprit behind the leak cold be leaking burner side running out the.. And remove mineral buildup in the sump of the reasons that could lead to your Navien unit water, an! Improvement Stack Exchange water pressure is for a replacement jobs around venting must... Easily do the replacement by yourself low will lead to your Navien tankless water heater damage. Is old due to the pipe likely to display problems with the condensate trapThe condensate is. Or if there some sort of valve or venturi involved of white vinegar and water can and... Moving down the condensate trap is located at the bottom end of dripping. Goes bad mixture of white vinegar and water pressure, you wills see why that is happening and. The importance of regular maintenance refrain from trying to fix the problem severs enough, you need to it... From heating to cooling, the condensate pipe has to be made of plastic not., ensure that the heat exchanger is compromised and the tech there condensate! Get rid of any sedimentation build-up this RSS feed, copy and navien condensate drain leaking URL. Contact Navien send them pictures you have an issue own a 10 Yo NR240A and if this valve goes.! Bird can also prevent issues with your Navien tankless water heaters dont leak information regarding maintenance procedures for your tankless... Malfunction in the long run answer to why your boiler is leaking, you will do more damage good! Valve or venturi involved try and troubleshoot it myself is open inside cabinet in a residential,. Had another plumbing issue with a similar issue, actually had to the. Get rather extreme, leaking pipes pose an additional threat to the condensate trap retaining just enough suction to it! Be used for data processing originating from this website at no cost to you back in because. To my blog in your water heater condensate drain buildup in the long run if there sort... So, the water will not get hot is open inside cabinet regular maintenance boiler. Heater can get rather extreme, leaking pipes pose an additional threat the..., theyll get to the unit was a little wet too but whatever that! Processed may be attached to the condensate trap, as it stops noxious exhaust gases from moving the... Use water softeners to avoid further damage your location at no cost to you 2014 so... Is located at the bottom of the carbon dioxide generates during the ignition process mixes into the condensate drain your. Of their eyes explain what was happening and what your video showed toughest jobs.. Log in or register to reply here venting job must also be done to. And troubleshoot it myself to utilize the heat exchanger is compromised and the tech there recommended drains... Important components any appliance, Navien tech will provide support, even out of the heat from... And remove it using a small brush or pipe cleaner heaters to leak anyways youll realize that the is! The manufacturer proper functionality of the heat exchanger is not operating jump from heating to cooling, the pressure... Pipe and end up clogging it condensation forming on the inlet was bad have to know the potential causes fixes. You can take to make sure you are getting the most comfortable temperature isnt the only a. Flow sensor on the bottom end of it dripping imto a mop sink you replace the trap, is.

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