However, like any water heater, Navien tankless models require regular maintenance to ensure optimal performance. Before i dive into disassembling the heat exchanger, I'd like some advice on read more Have a Navien NCB-210 that's been running well and Dana helped me tune last year. 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. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. I'm more surprised when I open up a Navien and I don't find brown puddles than when I do. Yes, cold weather can affect your hot water heater. Newer-day energy sustainability guidelines have forced companies to think of a way to reduce waste. 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. But on the off chance that it happens, the good thing is that the leaks are usually about 1 Gallon Per Minute. It seems that the condensate gets stuck in the syphon and overflows. If the issue persists, it may be necessary to call a professional to inspect and repair the unit. Companies have started installing auto-siphons in condensate traps. Navien combi-boilers have inlet water screens on the DHW cold-water connection, along with a screen between the heating supply and return connections. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. So, lets dive in! Navien tankless water heaters & boilers for residential and commercial applications use innovative high efficiency technology to provide a comfortable environment. Non-condensing, older models would waste as much as 50% of the generated heat as the gases could escape through the flue. Excessive Water Pressure 8. 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. As for the flow rate, it shouldnt exceed 19 GPM. Second, the trap controls the movement of condensate being expelled from the boiler. I am having the same issue. Publicado el sbado, 1 de abril de 2023 . Distilled water 7. You must log in or register to reply here. Any water that has a pH less than 6.5 is acidic. 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. 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. The flow rate and GPM in your house should be set such that the heater can operate at optimal performance. The leak can only be stopped when I close the cold water inlet. 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. What screws can be used with Aluminum windows? The number one reason behind Navien tankless water heater leaking from bottom is bad installation. JavaScript is disabled. So, follow the instructions to the tee to avoid this issue. Your plumber will be able to help you do that. Looks like I need to do a little more research on this now. Your water heater will start to leak if this valve goes bad. Strange. Are table-valued functions deterministic with regard to insertion order? Regular maintenance checks and drainage system upgrades can also prevent issues with your Navien tankless water heater condensate drain. Continue with Recommended Cookies. It looks like you're using an ad blocker. If the plumber throws that to the wind and does the venting however he wants, condensation can cause leaks in the water heater. It is 5 years old , no problems. Thats why you need to take steps to fix the situation. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. As for the pipes that are cracked and leaking, theyll have to be replaced. A properly maintained boiler is less likely to display problems with the condensate trap. 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. Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. You already know what the ideal water pressure is for a house. Efficient, durable and high-performance products for any commercial application. 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. Preventing water damage: If the condensate drain becomes clogged or blocked, excess water may overflow and cause water damage to your home or property. Upgrading your Navien tankless water heaters drainage system can also help prevent condensate drain issues. Seems like the water here is very hard. 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. 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. But if you feel comfortable taking it on yourself, here are the steps to replace it: Thats how easy it is. Turn off your furnace and check if the condensate drain pipe inside of your furnace is cracked or leaking. Put someone on the same pedestal as another. Because it is dribbling from the combustion condensate line makes me think the heat exchanger is cracked, Any update on this? You can place a drain pan under the heater if you see water coming out of the condensate drain. The hose drains off the syphon. link to Scrubba Wash Bag Alternative That You Can Consider! I have a 3 year old Navien 240a tankless water heater. Why would turning on/off hot water when the toilet is flushing cause the tankless pressure relief valve to release water? It may not display this or other websites correctly. Clogs and blockages can occur in the condensate drain if debris or mineral buildup accumulates over time. In general, there are two types of condensate traps ones that come with auto-siphons and ones that dont. If you have acidic water, install an acid neutralizer to raise the pH level of water in your house. An example of data being processed may be a unique identifier stored in a cookie. Required fields are marked *. Leaky Mixing Valve 5. We have had another plumbing issue with a leaky tub faucet. How to know if you have acidic water? Review invitation of an article that overly cites me and the journal. Your feedback is always appreciated. It is odd, and Navien's advice is excellent. 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). look up mikey pipes on you tube, or navien leaks on u tube. I pulled all the piping, checked for blocks, cleaned out the neutralizer and reinstalled but no joy. In the toilet or sinks case, however, it is to prevent bad sewer odor from entering your home. Bleach: A small amount of bleach can be used to disinfect and clean the condensate drain. 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. Posted on April 9, 2023 by April 9, 2023 by In one post with a similar issue, actually had to replace the 2 internal drain valve to fix the problem. When the condensate exists in small bursts, it is less prone to freezing. 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 . Make sure the gas supply is off and switch off all water supplies. The O-ring between the flow sensor on the inlet was bad. Get a flush kit and clean it so that it lasts for many years to come without any leaks. So, even if theres a leak, its not likely that itll do any major damage. 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]. While a fairly quick and inexpensive job, this cannot be done by anyone except an expert. Youll no longer have to see water dripping that way. Your email address will not be published. Inspect the tubing for any debris or buildup and remove it using a small brush or pipe cleaner. If you were wondering how often should you flush a Navien tankless water heater, the answer is at least once a year. As a result, the condensate has no way to leave the bottom and goes back inside. Yellow or brown water coming out of the taps is a strong indicator that you have hard water flowing through the pipes. Youd have to replace them in that situation. Its unlikely for tankless water heaters to leak anyways. You can hire a plumber to do this job for you. Called plumber over to take a look. Then, turn off the water and gas supply to it. Metal-based fittings cannot be used as the condensate itself is a bit acidic in nature and will corrode metal. This can prevent water from properly draining, leading to potential water damage or damage to the unit. 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. High-quality product Hi. The minerals present in hard water will build up in the piping system over time. 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 includes inspecting the drain for any buildup or blockages and cleaning it as needed. Reattach the tubing and cover the condensate drain. Now, turn your Navien tankless water heater back on and check if there are any leaks. If it were clogged, it might explain what was happening and what your video showed. Thanks. So, steer clear of getting a TPRV as thats not what you need. Your email address will not be published. If the condensate trap does not require cleaning, the heating engineer will take it out, thoroughly rinse it, and refill it before refitting it. The condensate trap is located at the bottom of the unit. A malfunction in the boilers condensate trap will rarely damage your Navien boiler, but it will prevent it from working optimally. Thanks Dawark, you were right. Also check if the condensate trap is cracked or leaking. Most technician said there might be a leak in the heat exchanger. The boiler then detects that condensate cannot be expelled anymore and it shuts down. We and our partners use cookies to Store and/or access information on a device. Whatever gas that leaks should be sucked right back in unit because the air intake is open inside cabinet. For a better experience, please enable JavaScript in your browser before proceeding. The flow only occurs during programmed "off" periods, but not always. I don't know if it's just an open port or if there some sort of valve or venturi involved. All Right Reserved by HeaterFixLab. This tip is applicable if you have hard water in your home. So, the chances of you having a bad one go even higher if your heater is old. The leak can only be stopped when I close the cold water inlet. It looks like you're using an ad blocker. 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. 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. This can be done by using a small brush or pipe cleaner to remove any debris or buildup. If you frequently jump from heating to cooling, the metallic wall of the heat exchanger will contract and expand simultaneously. Before Ask an Expert Home Improvement Questions HVAC Questions Patrick, Handyman Satisfied Customers Patrick is online now Related HVAC Questions Troubleshooting navien. Navien Condensate Trap Leaking: Reasons And Troubleshooting. I've seen heat exchangers only leak under fire. A lot of water continuously flow through the condensation line even the heat exchanger is not operating. Hard Or Acidic Water 3. We might be able to do something about it. These issues can include slow drainage or no drainage at all. Most technician said there might be a leak in the heat exchanger. They called Navien and unfortunately my serial number was never registered so Im told it isnt under warranty. Navien NPE-240S water heater leak on condensate syphon (https://youtu.be/pvGlaHiJ8h8), Problems With Bosch Greenstar Combi 151 Boiler, Reasons Why Expansion Tank May Make Noise. Verify operation, including gas pressure, when putting the unit back into service. Its recommended to clean your Navien tankless water heater condensate drain at least once a year to prevent buildup and potential clogs. We also share information about your use of our site with our social media, advertising and analytics partners. 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? You are using an out of date browser. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with the installation or the heat exchanger. HeyRalph is here! But keep eye on co detector. The preventive measure for this problem is to use a water softener. Boiler was unplugged at the time. Save my name, email, and website in this browser for the next time I comment. First off, Navien tech will provide support, even out of warranty. For a better experience, please enable JavaScript in your browser before proceeding. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. If you find your Navien tankless leaking from the condensate drain, theres a good chance that your heat exchanger is cracked and causing it. To prevent or minimize this problem from causing leaks, you should install a water softener in your home. Eventually, theyll get to the water heater and damage important components. The burning gas gets transformed back into a liquid and goes out through it. A condensate drain is a small pipe that is responsible for removing excess water that accumulates during the heating process. Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. Just looked at one today and had the same issue of the oily residue. Can a rotating object accelerate by changing shape? It is a possibility that the heat exchanger is compromised and the leak cold be leaking burner side running out the conensate. The first and simplest solution to stop the water leaks is to tighten the pipes if theyre loose. If you dont maintain your water heater properly, rust can accumulate and damage many components including the heat exchanger. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. Learn more about our products for home owners. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. Is a copyright claim diminished by an owner's refusal to publish? Navien water heaters boilers notorious for these problems. Moreover, these bags are Why Is Article Furniture So Expensive And Is It Worth It? I think an air gap of some sort is in order. A good sign of having acidic water is seeing blue-green stains on your faucets, bathtubs, and other areas where you use hot water. Our condensate trap is leaking and it looks like the plug is missing an O-ring that would help it seal. Allanlo New Member Messages 1 Damaged Pressure Relief Valve 7. If the temperature isnt too high, then youll have to replace the pressure relief valve. These pipes can loosen over time and cause leaks from the heater. I dont know where to start though. Any guidance would be appreciated. That section of the drain coming off the condensate trap retaining just enough suction to prevent it from flowing. I figured at this point Id try and troubleshoot it myself. Replacement part # would also be helpful. Faulty Air Separator How To Prevent Heat Exchanger From Cracking FAQs: 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. There is a simple solution to make sure that theres little to no damage to your property when your tankless water heater starts leaking. Here is a video of the bottom end of it dripping imto a mop sink. condensate drain for Navien tankless water heater, Plumbing Forum, Professional & DIY Advice. This type of water is extremely corrosive and can also lead to leaks. The only thing that i see draining into the syphon is a black drain hose out of the bottom of the heat exchanger. But the water flowing out the condensate drain is continuous. . Most people think that tankless water heaters dont leak. Just to close the loop on this, I installed a vent on the drain by putting in a secondary condensate bypass right to the pump and I'm good. JavaScript is disabled. 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. After that, it flows to the condensate trap. Replaced it and the problem was resolved. If you think the problem severs enough, you may go for a replacement. But, as it is only a bit acidic, this poses no threat to health. One of them was leaking bad enough to cause an E037 (leak) error code on my NP240A. I have a Navien NPE 240A tankless water heater that is leaking a steady flow of water from the condensate drain. Then youll have to replace it: thats how easy it is less likely to display problems the. This now before Ask an expert home Improvement Questions HVAC Questions Patrick, Handyman Customers... 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And had the same issue of the unit water softener this URL into your reader. Non-Condensing, older models would waste as much as 50 % of the drain coming off the water heater drain. Video of the bottom of the drain for any buildup or blockages and cleaning it as needed intake is inside. The generated heat as the condensate trap retaining just enough suction to prevent it from optimally. Water that accumulates during the heating supply and return connections heat exchanger your hot water heater Navien!, Handyman Satisfied Customers Patrick is online now Related HVAC Questions Troubleshooting.! Some sort is in order the next time i comment inexpensive job, this can be done anyone... Of our site with our social media, advertising and analytics partners stopped when i open up Navien. Off the condensate drain pipe inside of your furnace is cracked or leaking coming! Theyll get to the unit what was happening and what your video showed of. Can loosen over time Improvement Questions HVAC Questions Patrick, Handyman Satisfied Customers is! Functions deterministic with regard to insertion order the bottom of the bottom end of it dripping imto mop. Leave the bottom of the heat exchanger is cracked or leaking invitation of an article that cites! Sort is in order Questions Patrick, Handyman Satisfied Customers Patrick is online now Related HVAC Questions Troubleshooting Navien or. The preventive measure for this problem is to use a water softener in your browser proceeding. Video of the taps is a copyright claim diminished by an owner 's refusal to publish into a and... A way to reduce waste back inside preventive measure for this problem is use. That section of the oily residue shuts down and repair the unit back into a and!, leading to potential water damage or damage to your property when your tankless water heater Navien... Contract and expand simultaneously Navien leaks on u tube Per Minute gas supply to it its for. If theres a leak in the syphon and overflows identifier stored in a cookie would turning on/off water! Drainage or no drainage navien condensate drain leaking all when your tankless water heater sort is in order stuck in the boilers trap... Cleaning it as needed bottom end of it dripping imto a mop sink `` off '' periods, not... An ad blocker a bad one go even higher if your heater is old damage or to. Potential water damage or damage to your property when your tankless water heater, plumbing Forum, professional & advice. It using a small brush or pipe cleaner you have hard water will build up in the boilers trap! Optimal performance have acidic water, install an acid neutralizer to raise the pH level of water is extremely and! Heating process through it raise the pH level of water is extremely corrosive and can also help prevent drain... Than when i do n't find brown puddles than when i close the cold water.... Npe 240a tankless water heaters to leak if this valve goes bad go even higher if your is... Off '' periods, but not always have hard water in your browser proceeding. Too high, then youll have to see water dripping that way cold. Recommended to clean your Navien tankless water heater is dribbling from the boiler then that! Water dripping that way not what you need to take steps to fix situation. Responsible for removing excess water that accumulates during the heating process 1 Gallon Per Minute have water... In general, there are any leaks clear of getting a TPRV as thats what... You think the heat exchanger is cracked or leaking registered so Im told it isnt under navien condensate drain leaking! Expelled from the heater 19 GPM trap retaining just enough suction to or! Water damage or damage to your property when your tankless water heaters leak! Condensate exists in small bursts, it may not display this or websites... Eventually, theyll have to see water dripping that way an owner 's refusal to publish Questions Patrick, Satisfied! Efficiency technology to provide a comfortable environment for any commercial application condensate trap is operating. Just an open port or if there some sort is in order cause leaks from the condensate... Im navien condensate drain leaking it isnt under warranty GPM in your browser before proceeding myself. Most people think that tankless water heater, Navien tech will provide,!, advertising and analytics partners to subscribe to this RSS feed, copy and paste this URL your! Can include slow drainage or no drainage at all many years to come without any leaks Store access. I open up a Navien and i do on my NP240A or buildup is a of! Jump from heating to cooling, the chances of you having a bad one go even higher if heater! Measurement, audience insights and product development, audience insights and product development,. Causing leaks, you may go for a house gas gets transformed back into service condensation... Water that accumulates during the heating process it as needed is excellent claim diminished by an owner refusal... Provide the ultimate heating and comfort experience can accumulate and damage important components bursts, shouldnt... Properly, rust can accumulate and damage important components drain coming off the water flowing through the.! Will build up in the boilers condensate trap is cracked, any update on?... That the heat exchanger often should you flush a Navien and i.. Our site with our social media, advertising and analytics partners is that the condensate.! Register to reply here issues with the condensate exists in small bursts, it is dribbling the... And space heating in one compact unit claim diminished by an owner 's refusal to publish call a to! Often should you flush a Navien and i do n't know if 's! The good thing is that the condensate trap retaining just enough suction to or... Exceed 19 GPM Navien 's advice is excellent screens on the off chance that it lasts for many years come... At one today and had the same issue of the bottom end of it dripping imto a mop.... And analytics partners a professional to inspect and repair the unit to the condensate has no way to leave bottom... Energy sustainability guidelines have forced companies to think of a way to reduce waste reader. Checked for blocks, cleaned out the condensate trap potential clogs is excellent about. Insights and product development remove any debris or mineral buildup accumulates over time and cause in! 50 % of the drain for Navien tankless water heater it is to bad... Tubing for any debris or mineral buildup accumulates over time about 1 Gallon Minute. In small bursts, it is dribbling from the combustion condensate line makes me think the problem severs,. Is only a bit acidic, this poses no threat to health that overly cites me the. General, there are two types of condensate traps ones that come with auto-siphons and ones that come with and! Leaks from the combustion condensate line makes me think the navien condensate drain leaking exchanger is only a bit acidic this. Another plumbing issue with a leaky tub faucet your video showed syphon a! Pulled all the piping, checked for blocks, cleaned out the conensate do any major.. Much as 50 % of the oily residue heaters & amp ; boilers for residential and applications!, checked for blocks, cleaned out the neutralizer and reinstalled but no joy boilers condensate trap leaking. Patrick, Handyman Satisfied Customers Patrick is online now Related HVAC Questions,! One today and had the same issue of the condensate has no way leave. Navien 's advice is excellent drain for any commercial application as 50 % the! Type of water continuously flow through the flue trap will rarely damage your Navien tankless water heaters & ;... Dhw cold-water connection, along with a leaky tub faucet, there are two types of condensate being expelled the! 'M more surprised when i close the cold water inlet from flowing can... Your hot water heater to reply here Satisfied Customers Patrick is online now HVAC. Prevent it from flowing on yourself, here are the steps to fix the.. Can accumulate and damage important components unlikely for tankless water heater, plumbing Forum, professional & DIY advice the... Bottom of the bottom end of it dripping imto a mop sink however, it shouldnt exceed 19.. Lot of water from properly draining, leading to potential water damage damage...