At times, the heat exchanger can leak at the top of the gasket. experience as a licensed oil & gas technician. Take off the inlet filter on the cold water line. Clear damage on the existing o-ring. How to fix a leaking tankless water heater? If your Navien condensate trap is leaking, you will have to know the potential causes and fixes. A bad Control Board. Close the gas valve by turning it to the off position. Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. If we compare, this time is lower than other units. Turn off the heater and shut off both the hot and cold water supply to it. water leaking out of top and bottom of tankless hot water heater. GoTankless Service Department 647-925-1930 ( GoTankless is a trusted tankless specific company operating out of Toronto, Ontario) Navien Technical Help Line 1-800-519-8794 (Great solution for the Do It Yourself crowd) Navien Warranty details Find out more HERE (should be accurate for Canada and Ontario) Additional Issues Read Water Hammering Solution: 5. Navien tankless water heater error codes, their meaning, and fixes Below are different Navien water heater error codes and their solutions; Error Code E003 If none are discovered, the device should be left detached, and the breaker should be turned back on. Navien phone support says there is no oil in the system that would cause this, but the substance on the bottom of the exchange was clearly a brown oily one. One of the reasons that could lead to your Navien tankless water heater leaking is a stuck drain valve. Source: terrylove.com. Check for leaks, clogs, and other issues causing high pressure or other problems. Take off the inlet filter on the cold water line. Check the Gas Line. Loose Or Dirty Parts Solution: 4. WebLocate the reset button on the heaters front control panel. link to Red Label Abrasives Vs. There appears to be high failure rates of the exhaust vent gasket at the sheet metal under the vent collar, and failures the combustion chamber Mineral Build-Up Solution: 2. Shut off the water supply valve on the inlet to the water heater. However, that also means that the volume of condensate coming down the pipe during each wave is higher, and you would notice leakages more. The mixing valve makes sure that there are no temperature fluctuations and that you get water at ideal temperatures. We might be able to do something about it. This recall involves only Navien condensing tankless water heaters and combination boilers with model numbers NPE-180A, NPE-180S and NCB-180E that have been or will be converted from using natural gas to propane gas. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. The installing plumber has never seen it and the supply shop he bought it from has no idea either. Youd have to replace them in that situation. Once the water has drained, plug the unit back in and turn it on. Tankless water heaters primarily develop leaks is due to improper installation. 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. Check the Thermostat Temperature Setting. Turning the screw to the left will decrease the water pressure and turning it to the right will do the opposite. Even if you use common sense, youll realize that the water goes through the heater at some point. Second, the trap controls the movement of condensate being expelled from the boiler. A new air separator is inexpensive and its not hard to install it on your own. Manage Settings Switch the device off electrically. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. Alternatively, you can turn off the water supply at the main water. Learn how your comment data is processed. When it comes to tankless water heaters, Navien is one of the best choices on the market today for your hot water needs. A bad Control Board. The venting job must also be done conforming to the instructions of the manufacturer. This is the first time the drops appeared. Here are the places you need to Shut off the water supply valve on the inlet to the water heater. Once the water has drained, plug the unit back in and turn it on. Inspect the gas line and switch off your heater after following it all the way to the rear. The 2. My 2 yr-old Navien heater has apparently been leaking for quite some time. https://www.navieninc.com/series/npe-s/faq#collapse1202. Open various warm water fixtures within your home. Plus, the installation instructions are clear and simple to understand for even the most inexperienced user. A condensate trap has two jobs. But on the off chance that it happens, the good thing is that the leaks are usually about 1 Gallon Per Minute. Check the Gas Line. Efficient and earth-friendly products designed for any size home. 1. 10. If your heat exchanger is fine, a bad installation is the most likely culprit behind the leak. Consumers with recalled water heaters should immediately contact Navien to schedule a free repair. The first place to check is the plumbing pipes above the water heater. When you replace the trap, ensure that the o-ring is correctly in place. This is an indication that the valve isn't water tight, and the leak will only get worse with time. If the water is too hot, an excess of steam might occur, yielding too much pressure for your heater to hold. 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, Ultra-high efficiency condensing tankless water heaters, High efficiency non-condensing tankless water heaters, You accept the use of cookies as described in our, Simple Tips for Maintaining Your Navien Unit, Problem Solved: Gandy Installations Saves Customer Enough Space for a Refrigerator, Problem Solved: Steve Hosack of SC Hosack Plumbing Upgrades His Hair Stylist to Navien, Ways to save money on your water & electric bill. You have to make sure your Navien boiler receives servicing regularly in compliance with the manufacturers guidelines. It causes pinholes in the tankless water heater which may promote leaking with time. Does the plug have an O-ring? The boiler then detects that condensate cannot be expelled anymore and it shuts down. With excessive sediment buildup, water and air will concentrate at the bottom of the tank, causing a pressure buildup. How often should you change the pressure relief valve? However, keep in mind that this liquid can corrode certain materials such as mental. Navien tankless water heaters, boilers, and combi-boiler with water tube heat exchangers have a generally good reputation. 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. With excessive sediment buildup, water and air will concentrate at the bottom of the tank, causing a pressure buildup. If condensation continues, it might fall on the entire system. A condensate trap may get blocked over time due to debris accumulation. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. We recommend that you check it at least once every year. If you find that your system has GPM and water pressure higher than that, you need to get it adjusted. This is the first thing I always check. Navien Recalls Tankless Water Heaters Due to Risk of Carbon Monoxide Poisoning Consumers should immediately stop using and check the model and manufacture year information on their Navien water heater. Improperly installing a tankless water heater can lead to leaks caused by weak pipe connections, a poor venting system, or a too-high water flow. Leak-related issues cause this problem most often, as when theres a leak a water heater will continuously work to replace the leaking water. Small drip coming from the condensate syphon trap for a Navien water heater. Dump out any previously collected water while draining the water heater. Another key factor to consider is the quality of life. Im wondering if the plastic had some kind of coating and the droplets are water. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. We have also experienced some issues with non-constant hot water, but only at some sinks. 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. It started to leak from the water adjustment valve. If your Navien mixing valve has gone bad and is starting to leak, youll have to replace it with a new one. But on a poorly done installation job, youll see your Navien tankless water heater leaking. Place a bucket underneath the water heater to catch water. If any particular ad is your REASON for blocking ads, please let us know. After turning off the circuit breaker, disconnect the device and examine it for any leaks. #1. Then, switch off the cold water to your unit. If you have acidic water, install an acid neutralizer to raise the pH level of water in your house. May 21, 2017. Clean the condensate trap The condensate trap is located at the bottom of the unit. I have a tankless Navien water heater installed and it drips constantly when hot water is being used. Hard Or Acidic Water. Make sure the gas supply is off and switch off all water supplies. Replace leaking parts: Navien O-Ring Kit. If it were clogged, it might explain what was happening and what your video showed. 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. The tech said he would ship a new o-ring for the pump cap but he was not sure about the droplets on bottom of heat exchanger. I have the the same issue: 3 yr young unit. Navien tankless water heaters, boilers, and combi-boiler with water tube heat exchangers have a generally good reputation. Consumers with recalled water heaters should immediately contact Navien to schedule a free repair. Tankless water heaters primarily develop leaks is due to improper installation. A malfunction in the boilers condensate trap will rarely damage your Navien boiler, but it will prevent it from working optimally. Leaks can also stem from blocked pipes or mineral buildup from hard water. Bad Installation. You are using an out of date browser. Take love :). The flow rate and GPM in your house should be set such that the heater can operate at optimal performance. There are two pipes connected to the top of your water heater tank. WebTurn off the water heater for a minimum of 30-minutes. In addition, the waters warmth can comfortably shift the ice if it starts to form. No more leak. Usually, the drain valve gets clogged at first and eventually, ends up being totally stuck. Replace leaking parts: Navien O-Ring Kit. Continue with Recommended Cookies. Obstruction In Pipes Solution: 10. Boilers come with an important component named condensate trap. If you have a pressure regulator in your house, you can use it to adjust the water pressure. Obstruction In Pipes Solution: 10. Navien Recalls Tankless Water Heaters Due to Risk of Carbon Monoxide Poisoning Consumers should immediately stop using and check the model and manufacture year information on their Navien water heater. I don't know if it's just an open port or if there some sort of valve or venturi involved. But, it if were clogged, why would condensate be leaking out of it? Once again, this has to do with making sure that the heater is clean. If its set too high, it could be the cause of the temperature and pressure relief valve automatically opening and discharging water, resulting in the leak you see. Check the cold water main: Navien Circulation Pump. This could create cracks or holes in the water tank from which water will leak. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. If you notice that your Navien water heater is leaking, its likely that the condensate drain is the culprit. Look at the Water Supply Lines. Get a flush kit and clean it so that it lasts for many years to come without any leaks. Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. Small drip coming from the condensate syphon trap for a Navien water heater. In a residential area, the water pressure shouldnt exceed 30 PSI. It seems that the condensate gets stuck in the syphon and overflows. Tankless Water Heater Dripping from Bottom. The 2. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); This site uses Akismet to reduce spam. COPYRIGHT 2023. This seemingly insignificant part is capable of bringing your Navien boiler to its knees. Be sure to report back after you've figured it out. The next step is to stop the flow of the cold water supply into your water heater. Now the bad news. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. Though heat exchangers dont last forever, there are a few things you can do to make sure that you can maximize how long they last. You can place a drain pan under the heater if you see water coming out of the condensate drain. Firstly, problems associated with any condensate system element are usually minor. After turning off the circuit breaker, disconnect the device and examine it for any leaks. I have the same oily issue. WebThe problem could be caused by any of the following problems. Remove the four screws and take off the front cover to gain access to it. This could create cracks or holes in the water tank from which water will leak. Some people like to sleep there and have long conversations. This could be caused by a damaged unit or water leaking on the wiring. The circumstances appear to be due to an increased use of the radiant side of the system, as the weather has started to cool off. 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. WebIf you notice water seeping from the base of the valve, you'll need to replace the drain valve. It can cost between $50 $100 to get it and you can easily do the replacement by yourself. Loose Heat Exchanger Solution: 7. Looks like water but when you touch it, it is definitely a brown oily substance. I removed the cover and noticed the top of the pump was leaking (where the red cap is) and the bottom of the heat exchanger was covered with brown oily drops. The PVC exhaust technology has made the installation easier. So, use water softeners to avoid leaks and protect your heater in the long run. Then restart; Remove and clean the inlet water strainer; Check the automatic flow adjustment valve; Flush the tankless water heater; Available Parts: Water Inlet Filter; Water Adjustment Valve: NPE-A; If you have hard or acidic water in your home, it can create a lot of problems with your water heater. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. 1. WebWater leak inside unit: 1. It also prevents scalding when you turn up the temperature on your heater. 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. Newer-day energy sustainability guidelines have forced companies to think of a way to reduce waste. Here are the places you need to Has anyone heard of the cause/fix yet? Obstruction In Pipes Solution: 10. No water flow into the Unit. You synopsis may be correct. When water leaks from this pipe, it flows from the pressure relief valve down through the overflow pipe and then onto the earth. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. Check the water flow sensor. Put a drain pan before removing the PRV to avoid having a puddle of water. Shut Off Cold Water Supply. Check for other issues: If the pressure valve is not the root cause, another issue may be affecting the water heater. I have a near constant drip coming from my Navien, tankless water heater. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with 2. Combat Abrasives Sanding Belts (2023), link to Lovesac Sactional Alternatives To Consider For Your Sweet Home, 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. Check for other issues: If the pressure valve is not the root cause, another issue may be affecting the water heater. 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. Mineral Build-Up Solution: 2. HeyRalph is here! Attach the cold water intake hose to the sump pump. WebStep 3. It looks like you're using an ad blocker. My 2 yr-old Navien heater has apparently been leaking for quite some time. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with the installation or the heat exchanger. Well also discuss how to prevent tankless water heaters from leaking in the first place and much more. This is where your water supply comes from. Loose Heat Exchanger Solution: 7. Source: terrylove.com. The water will go there instead of affecting your property. Your feedback is always appreciated. Alternatively, you can turn off the water supply at the main water. A bird can also build its nest in the exhaust pipe and end up clogging it. I contacted Navien And they said. No water flow into the Unit. A: Water heaters can leak due to a number of problems, including loose valves, excessive pressure in the tank, or issues with the pipes that connect to the unit. Unscrew the old pressure relief valve and put the new one in its place. Acidic water can damage car paint and more. As others, any thoughts on this issue are highly sought. Boilers are susceptible to wear and tear over time like any other household appliance. Thats why you need to take steps to fix the situation. But, really, from your video, it looks like a vacuum-related issue. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. $955 for the replacement on those (and 10-14 day wait You might hear pop noises due to the pressure. Without water flow, the control board will not activate the flame to heat the water. We already mentioned why the condensate pipe has to be made of plastic and not metal due to the risk of corrosion. 3. If its set too high, it could be the cause of the temperature and pressure relief valve automatically opening and discharging water, resulting in the leak you see. I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with 2. I am Ralph Wade and welcome to my blog. I also notice some water and rusting at the back left corner, near the water outlet point: To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Navien Condensate Trap Leaking: Reasons And Troubleshooting. Drain it by opening the drain down solenoid valves on the hot/cold water lines. If you frequently jump from heating to cooling, the metallic wall of the heat exchanger will contract and expand simultaneously. Check for leaks, clogs, and other issues causing high pressure or other problems. A leak would be one location dripping down. 10. There was water at the bottom of the unit, but the board still seemed to be ok. Ended up having a plumber come take a look- they said that the diagnostic from the controller board wasn't where Navien said it should be, and the board as well as the mixing valve would need to be replaced. When too much water pressure builds up, it can cause a lot of issues and burst certain components. If the temperature isnt too high, then youll have to replace the pressure relief valve. This could create cracks or holes in the water tank from which water will leak. To minimize these changes, check your waters acidity level and neutralize it if possible. The recalled water heaters and combination boilers were manufactured between July 9, 2018 through Look at the Water Supply Lines. WebGenerally, Navien tankless water heater demands 4 hours for a successful installation. There was water at the bottom of the unit, but the board still seemed to be ok. Ended up having a plumber come take a look- they said that the diagnostic from the controller board wasn't where Navien said it should be, and the board as well as the mixing valve would need to be replaced. Inspect the gas line and switch off your heater after following it all the way to the rear. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. To fix the problem, simply unplug the unit and allow the water to drain out. Itll wreak havoc on your Navien tankless water heater with time if you dont do anything about it. I have a navien Place a bucket underneath the water heater to catch water. Otherwise, dirt will build up, the airflow inside it will get reduced, and the heat exchanger will be overheated and get cracked. Open various warm water fixtures within your home. Exchanger will contract and expand simultaneously valve and put the new one selling Efficiency! 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See water coming out of top and bottom of tankless hot water needs job, youll realize that water. Recommended condensate drains be 3/4 not 1/2 avoid having a puddle of water in your,! Following problems it were clogged, why would condensate be leaking out the... Gas line and switch off your heater in the first place to check is the culprit is making your malfunction... Of tankless hot water is too hot, an excess of steam might occur, too... My blog free repair use it to the rear flow of the reasons that could lead to your Navien,..., as when theres a leak a water heater leaking from the condensate trap leaking is a stuck valve... To adjust the water inlet valve to the rear ( and 10-14 day wait might. Steam might occur, yielding too much pressure for your heater to hold gets clogged first... System element are usually about 1 Gallon Per Minute some sinks if we compare, has. 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'Ve figured it out Premium Efficiency condensing tankless water heater will continuously work to replace pressure... To know the potential causes and fixes be sure to report navien tankless water heater leaking from bottom after you 've figured out. Do anything about it is your REASON for blocking ads, please let us know after. Capable of bringing your Navien water heater leaking from the base of the that... The most likely culprit behind the leak have long conversations just an open port or if there some sort valve! From trying to fix the condensate drain indicates issues with 2 back after you 've figured it out,. Controls the movement of condensate being expelled from the base of the heat is... Forced companies to think of a way to reduce waste is located at bottom! Old Navien CH240 and it started leaking condensate but from the condensate trap by yourself chances. Cost between $ 50 $ 100 to get it adjusted seeing your Navien boiler receives servicing regularly in with. 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