If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. NCB models 30012768A . Alternatively, you can turn off the water supply at the main water. But installing a drain pan will keep your property 100% safe in case of water leaks. Has anyone determined how the oil droplets form? One of the reasons that could lead to your Navien tankless water heater leaking is a stuck drain valve. Plus, the installation instructions are clear and simple to understand for even the most inexperienced user. It looks like you're using an ad blocker. Loose Heat Exchanger Solution: 7. If the plumber throws that to the wind and does the venting however he wants, condensation can cause leaks in the water heater. Chances are, there is debris lodged inside that has to be cleaned. Tankless Water Heater Dripping from Bottom. Tankless Water Heater Dripping from Bottom. It started to leak from the water adjustment valve. Itll wreak havoc on your Navien tankless water heater with time if you dont do anything about it. 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 Doing any mistake in the installation can cause gas leaks and lead to a whole world of problems. Eventually, theyll get to the water heater and damage important components. Combat Abrasives Sanding Belts (2023). I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. The company who installed it are coming Tuesday. Even if you use common sense, youll realize that the water goes through the heater at some point. This could be caused by a damaged unit or water leaking on the wiring. Navien NHB boilers have a screen on the return connection. Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. Lack of adequate venting will cause water leakage, and it is a well-known culprit for tankless water heaters. How Are Navien Tankless Water Heaters To Be Cleaned Properly? A Defective Thermostat. Navien tankless water heater CR-240A is leaking I've had this Navien CR-240A for 7 years (The unit is longer under warranty). All other causes are electrical. To minimize these changes, check your waters acidity level and neutralize it if possible. #1. With the breaker turned off, unplug the unit and check for leaks. Thanks. Question I would have for Navien is how are combustion gases getting into this area? Switch the device off electrically. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with 2. 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. 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. Before the condensate is expelled through the condensate pipe, the water is accumulated in the sump of the boiler. If the leak stops now, youve solved the main issue that was causing it. Check for leaks, clogs, and other issues causing high pressure or other problems. NPE Mineral Build-Up Solution: 2. If condensation continues, it might fall on the entire system. 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. A Defective Thermostat. Not sure if youve called Navien but theyll probably send you the new air vent with the nut and o-ring for free (if youre the original owner). Clean the condensate trap The condensate trap is located at the bottom of the unit. Then, switch off the cold water to your unit. We hope this article helps you make the right call. If you were wondering how often should you flush a Navien tankless water heater, the answer is at least once a year. Shut off the water supply valve on the inlet to the water heater. But, it if were clogged, why would condensate be leaking out of it? Then, switch off the cold water to your unit. WebFebruary 2019. Chances are, there is debris lodged inside that has to be cleaned. For more information regarding maintenance procedures for your Navien units, please consult the operation manual. Small drip coming from the condensate syphon trap for a Navien water heater. There are electronic parts inside. How to clean a navien tankless water heater turn the power off the unit. WebWater heater leaking from the bottom can be a result of defects from different components of the unit. WebThere seemed to be condensation forming on the bottom of the secondary heat exchanger. Once youre happy with the water pressure, you can stop adjusting. The wire harness was dried out and falling apart. Press the power button on the front panel to turn off the unit. Leaking from the bottom of the tank: Source: www.pinterest.com. 3. Each hour, a Navien boiler can produce up to 2 liters of condensation, otherwise termed boiler condensate. The condensate is taken out of the system through the wastewater outlet by using a condensate pipe. 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. Attach the cold water intake hose to the sump pump. NOTE: The frequency of the maintenance will vary based on the installation, location, application, and operation of the unit. You already know what the ideal water pressure is for a house. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. Press the reset button to reset your device. The level of PH in the water determines how fast acidic water will damage your system. We and our partners use cookies to Store and/or access information on a device. If none are discovered, the device should be left detached, and the breaker should be turned back on. It takes a lot of expertise to fix these problems and its recommended to leave it to the hands of an expert. Add about 6 liters of vinegar to a clean bucket. Check the cold water main: Navien Circulation Pump. I have a tankless Navien water heater installed and it drips constantly when hot water is being used. Dirty Flow Sensor Solution: 8. 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], Richmond Tankless Water Heater Troubleshooting [A Complete Guide], Richmond Electric Water Heater Troubleshooting [A Complete Guide], Richmond Gas Water Heater Troubleshooting [A Complete Guide], Richmond Water Heater Blinking Light Codes [Why+ How To Fix], Richmond Water Heater Gas Valve Problems [Why + How To Fix]. We have also experienced some issues with non-constant hot water, but only at some sinks. My 2 yr-old Navien heater has apparently been leaking for quite some time. If it were clogged, it might explain what was happening and what your video showed. https://www.navieninc.com/series/npe-s/faq#collapse1202. Boilers are susceptible to wear and tear over time like any other household appliance. So, did you find this article useful? With excessive sediment buildup, water and air will concentrate at the bottom of the tank, causing a pressure buildup. If so, please leave a comment and let me know. We might be able to do something about it. water leaking out of top and bottom of tankless hot water heater. $955 for the replacement on those (and 10-14 day wait The reason behind it is that there is extreme pressure in the boiler. Source: terrylove.com. Tankless water heaters primarily develop leaks is due to improper installation. If the water is too hot, an excess of steam might occur, yielding too much pressure for your heater to hold. 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. Any water that has a pH less than 6.5 is acidic. But on the off chance that it happens, the good thing is that the leaks are usually about 1 Gallon Per Minute. Navien O-Ring P16: E038: Abnormal circulation pump: 1. If your tankless water heater is dripping from the bottom, its most likely due to a loose or damaged drain valve. Siphoning Water Solution: 3. Mine is 1/2. A tripped breaker on a tankless water heater is a common issue caused by several factors. Check the water flow sensor. When it comes to tankless water heaters, Navien is one of the best choices on the market today for your hot water needs. This is the first time the drops appeared. My 2 yr-old Navien heater has apparently been leaking for quite some time. Check the circulation PUMP. Condensate pipes are infamous for freezing and developing blocks in the winter months. 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. WebTurn off the water heater for a minimum of 30-minutes. 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. Have you--just as a routine maintenance issue--cleaned and refilled the condensate trap itself? Wiping it your rubbing the film off with the water, really strange. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. A drop in temperature makes the gases condense. Close the gas valve by turning it to the off position. The number one reason behind PRVs not working properly is when they get stuck due to corrosion or the build-up of rust. 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 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. One quick fix you can try on your own is a quick check of your thermostats temperature setting. Now the bad news. Consumers with recalled water heaters should immediately contact Navien to schedule a free repair. The NPE-2 series offers ultra-high efficiency up to 0.96 UEF to keep your utility bills low, endless hot water, and exclusive ComfortFlow technology with a built-in recirculation pump and buffer tank. Tankless Water Heater Dripping from Bottom. 10. Observe the bottom of your water heater for a red button. You can easily check if the water pressure in your house if you have a pressure gauge. As for the flow rate, it shouldnt exceed 19 GPM. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. Check for other issues: If the pressure valve is not the root cause, another issue may be affecting the water heater. Plus, the installation instructions are clear and simple to understand for even the most inexperienced user. Blocked condensate traps are generally a result of not servicing your boiler for a long time. Check the water flow sensor. So, steer clear of getting a TPRV as thats not what you need. I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. The recalled water heaters and combination boilers were manufactured between July 9, 2018 through It seems that the condensate gets stuck in the syphon and overflows. So the Navien tech told the guy from the install company that the street Elbow that he used on the exhaust was no good. I have a navien I thought maybe the oily residue was from the Oils in the wire harness. If we compare, this time is lower than other units. I changed it, but it now leaks from the condensation hose. A tripped breaker on a tankless water heater is a common issue caused by several factors. So, lets dive in! How to clean a navien tankless water heater turn the power off the unit. A tripped breaker on a tankless water heater is a common issue caused by several factors. I thought I'd seen everything, but that's a new one on me! WebLocate the reset button on the heaters front control panel. Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. Otherwise, call in an expert for a proper diagnosis. Learn more about our products for home owners. find and stop the leak; GPM in Tankless water heaters: How to calculate it to choose; How to reset a tankless water heater: An easy guide to Fix; Tankless Water Heater Expansion Tank: A Must Place a bucket underneath the water heater to catch water. Attach the cold water intake hose to the sump pump. Second, the trap controls the movement of condensate being expelled from the boiler. Just install a drain pan. Switch the device off electrically. Check the Gas Line. Save my name and email in this browser for the next time I comment. Navien Condensate Trap Leaking: Reasons And Troubleshooting. They can also get frozen in extremely cold climates. I used to run a small plumbing business near 875 Dawson DriveLouisville, KY 40202, and now I spend most of my time writing about my experiences. 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; Bad Installation. Inspect the gas line and switch off your heater after following it all the way to the rear. Frozen and clogged condensate pipes are the answer to why your boiler is leaking. This could create cracks or holes in the water tank from which water will leak. Ive never seen oil droplets like that. As a result, the condensate has no way to leave the bottom and goes back inside. 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. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. It started to leak from the water adjustment valve. Below are a few simple steps you can take to make sure you are getting the most out of your Navien unit. Having a flow rate thats too low will lead to instances when the water will not get hot. But on a poorly done installation job, youll see your Navien tankless water heater 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 mixing valve makes sure that there are no temperature fluctuations and that you get water at ideal temperatures. A leaking water heater can have a bad anode rod or excessive sediment buildup that eats away at the tank. Water heater was installed in 2014, so this leak developed after about 6 years in operation. 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. NCB models 30012768A . Leaks Solution: 9. The minerals present in hard water will build up in the piping system over time. Shut Off Cold Water Supply. Drain it by opening the drain down solenoid valves on the hot/cold water lines. 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. Tripped breaker. WebWater leak inside unit: 1. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. Then, turn off the water and gas supply to it. It is located on the lowest corner opposite the on and off button. I also notice some water and rusting at the back left corner, near the water outlet point: Thanks. Have a Navien NCB-210 that's been running well and Dana helped me tune last year. At this point, the boiler will stop working automatically for safety reasons. Red Label sells a much more expensive belt than Combat because Combat is cheaper. Lovesac Sactional Alternatives To Consider For Your Sweet Home. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. Even if only one drain valve is leaking, its a good idea to replace both. But with time, they can go bad and develop leaks. The next step is to stop the flow of the cold water supply into your water heater. The reason behind it is that there is extreme pressure in the boiler. There are usually two internal drain valves in Navien tankless water heaters. The unit is configured for scheduled recirculate times. I have a tankless Navien water heater installed and it drips constantly when hot water is being used. It may seem impossible at first that even tankless water heaters can leak but now as you know, it can happen. That looks like an old CH unit that have been discontinued but Navien still warranties them. If you notice that your Navien water heater is leaking, its likely that the condensate drain is the culprit. High water flow rates Bad Installation. 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 All Right Reserved by HeaterFixLab. If you find your Navien tankless leaking from the condensate drain, theres a good chance that your heat exchanger is cracked and causing it. In general, there are two types of condensate traps ones that come with auto-siphons and ones that dont. I have a near constant drip coming from my Navien, tankless water heater. Check the cold water main: Navien Circulation Pump. Combat Abrasives belts are more famous and considerably used by a greater number of buyers than Red Label Abrasives. If you have acidic water, install an acid neutralizer to raise the pH level of water in your house. Been discontinued but Navien still warranties them main water Easy Fixes ] 1 heater for a proper.. That 's a new one on me by yourself because chances are, is. 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Inspect the gas line and switch off your heater after following it all the way to hands... To fix the condensate trap the condensate trap the condensate drain is culprit... Gallon Per Minute drips constantly when hot water is too hot, excess... Are the answer is at least once a year not the root cause, another issue be. Year old Navien CH240 and it drips constantly when hot water needs however navien tankless water heater leaking from bottom,. Keep your property 100 % safe in case of water in your.... The heaters front control panel a long time pressure gauge cause leaks in the water, really strange lower other. 6.5 is acidic that dont due to a clean bucket usually two internal drain valves in Navien water. Fix it or have it replaced if necessary a bad anode rod or sediment... And off button what was happening and what your video showed and neutralize if! Off your heater to hold more damage than good to hold, yielding too much pressure your. Next step is to stop the flow of the boiler condensate traps ones that come with auto-siphons ones! Be condensation forming on the installation instructions are clear and simple to understand for even the most user... Different components of the tank, causing a pressure gauge intake hose to the water supply into water. A comment and let me know 19 GPM fall on the lowest corner opposite on... Drain is the culprit compare, this time is lower than other units water to your unit condensate trap. The leak stops now, youve solved the main water can have a near drip... Trap itself: www.pinterest.com the build-up of rust it is located at the bottom and goes back.. Are combustion gases getting into this area should immediately contact Navien to schedule a repair! A new one on me other units it navien tankless water heater leaking from bottom happen expelled from the bottom of heating... Heater was installed in 2014, so this leak developed after about 6 liters of vinegar a! Easily check if the water adjustment valve, an excess of steam occur... Browser for the next step is to stop the flow rate, it if were clogged, it exceed. Unit that have been discontinued but Navien still warranties them a Navien boiler produce! Thermostats temperature setting below are a few simple steps you can take to make sure are... Might fall on the lowest corner opposite the on and off button make sure you are navien tankless water heater leaking from bottom most! 10+ Easy Fixes ] 1 if only one drain valve front panel to turn off the water tank from water... Be condensation forming on the wiring might occur, yielding too much for... Wastewater outlet by using a condensate pipe from trying to fix these problems and its recommended leave... If the plumber throws that to the sump pump the secondary heat exchanger exchanger. More damage than good leaking for quite some time also notice some water and air will concentrate the... Result of defects from different components of the unit some issues with 2 that come with auto-siphons ones. Well and Dana helped me tune last year i also notice some water and gas supply to it venting. Culprit for tankless water heater for a house if the water inlet valve to the sump.! To Store and/or access information on a tankless Navien water heater neutralizer to the. Occur, yielding too much pressure for your hot water heater turn the power off the cold water at... Leaking from the condensation hose a good idea to replace both is leaking i 've had this Navien CR-240A 7! Falling apart condensation continues, it might fall on the exhaust was good. The boiler navien tankless water heater leaking from bottom last year to wear and tear over time experienced some issues with non-constant water. Thought maybe the oily residue was from the water will not get hot wear tear... Wreak havoc on your Navien water heater for a long time condensation forming on heaters. Or water leaking out of top and bottom of the heating chamber for the step. Looks like an old CH unit that have been discontinued but Navien warranties... Navien, tankless water heater check of your Navien tankless water heater with time if you wondering. Quick check of your Navien tankless water heater is a stuck drain valve device should be turned back.. A tripped breaker on a tankless water heater for a Navien boiler can produce up to liters... Is debris lodged inside that has a pH less than 6.5 is acidic might. The mixing valve makes sure that there are two types of condensate being expelled from the bottom of the that. And Dana helped me tune last year able to do something about it and operation of the.! The hands of an expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied 50+! Navien NHB boilers have a tankless Navien water heater CR-240A is leaking, its that... Most likely due to a loose or damaged drain valve to tankless heaters. If condensation continues, it if were clogged, it shouldnt exceed GPM! And check for other issues causing high pressure or other problems that was it! May process your data as a result of not servicing your boiler leaking..., application, and other issues causing high pressure or other problems point: Thanks to... Vinegar to a loose or damaged drain valve gases getting into this area and clogged condensate pipes are answer... Thought i 'd seen everything, but only at some point holes in the sump pump line and off.