Now, turn your Navien tankless water heater back on and check if there are any leaks. But if you feel comfortable taking it on yourself, here are the steps to replace it: Thats how easy it is. First of all, shut off the gas supply to your frozen Rinnai tankless water heater. If it were clogged, it might explain what was happening and what your video showed. On the other hand, high flow rates can create excessive water pressure and cause the heater to leak. The first thing you should do is try and identify the leak in a short time. This is the first thing I always check. WebNavien tankless water heater E110 code: Easy steps to fix; Navien tankless water heater maintenance: Clean & Descale; Tankless water heater leaking? The reason behind it is that there is extreme pressure in the boiler. Make sure the hot water hose is in the bucket and braced so it does not flail when the vinegar is being pumped through it. Leak-related issues cause this problem most often, as when theres a leak a water heater will continuously work to replace the leaking water. Loose Heat Exchanger Solution: 7. It started to leak from the water adjustment valve. 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. Gas leak. As an Amazon Associate, I Earn From Qualifying Purchases. It causes pinholes in the tankless water heater which may promote leaking with time. 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). Check the cold water main: Navien Circulation Pump. With the breaker turned off, unplug the unit and check for leaks. Verify operation, including gas pressure, when putting the unit back into service. The first place to check is the plumbing pipes above the water heater. That section of the drain coming off the condensate trap retaining just enough suction to prevent it from flowing. When I tried to clean it, it seemed to be a brown oily substance: I tried my best to clean the condensation and any of the stains I could get to. Inspect them and see if the leak is coming from any of them. Is the cabinet airtight or does it have grates for air flow? How often should you change the pressure relief valve? Some people like to sleep there and have long conversations. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. Add me to this train. But, really, from your video, it looks like a vacuum-related issue. When you notice your water heater leaking, close off the water supply valve leading to the tank (it should be labelled cold somewhere on top of the tank). So, follow the instructions to the tee to avoid this issue. Consumers with recalled water heaters should immediately contact Navien to schedule a free repair. As others, any thoughts on this issue are highly sought. With excessive sediment buildup, water and air will concentrate at the bottom of the tank, causing a pressure buildup. When I tried to clean it, it seemed to be a brown oily substance: I tried my best to clean the condensation and any of the stains I could get to. 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. You must log in or register to reply here. IS anyone here familiar with this unit and can tell me what is causing this? Bad Installation. 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. Alternatively, you can turn off the water supply at the main water. Theyll look like translucent silicone hoses when you take the cover off and lead directly to the condensate drain line. Our condensate trap is leaking and it looks like the plug is missing an O-ring that would help it seal. Of course naturally there is no manual, but I did find a link yesterday which I have yet to investigate. If condensation continues, it might fall on the entire system. You can call a plumber to change the drain valve for you, or purchase the part and do it yourself. I have a near constant drip coming from my Navien, tankless water heater. Protect your water supply and your water heating equipment with eco-friendly water treatment solutions. When it comes to tankless water heaters, Navien is one of the best choices on the market today for your hot water needs. Drain valves are fairly inexpensive. How to fix a leaking tankless water heater? It takes a lot of expertise to fix these problems and its recommended to leave it to the hands of an expert. Comment below and let us know what was causing your Navien tankless water heater to leak. It looks like you're using an ad blocker. This could create cracks or holes in the water tank from which water will leak. 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. Rick is online now Continue Related HVAC Questions 1. High water flow rates A condensate pipe devoid of an auto-siphon may be shaped like a U.. Partially Closed Valves Solution: 6. A Defective Thermostat. If you have hard or acidic water in your home, it can create a lot of problems with your water heater. The venting job must also be done conforming to the instructions of the manufacturer. How to clean a navien tankless water heater turn the power off the unit. JavaScript is disabled. You might hear pop noises due to the pressure. That looks like an old CH unit that have been discontinued but Navien still warranties them. Check for leaks, clogs, and other issues causing high pressure or other problems. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with the installation or the heat exchanger. Boiler water quality should be verified, and heat exchangers should be flushed as necessary. The recalled water heaters and combination boilers were manufactured between July 9, 2018 through We and our partners use cookies to Store and/or access information on a device. Newer-day energy sustainability guidelines have forced companies to think of a way to reduce waste. Question I would have for Navien is how are combustion gases getting into this area? Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. The level of PH in the water determines how fast acidic water will damage your system. Alternatively, you can turn off the water supply at the main water. First of all, shut off the gas supply to your frozen Rinnai tankless water heater. Hard Or Acidic Water. NOTE: The frequency of the maintenance will vary based on the installation, location, application, and operation of the unit. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. What You Need to Know About Navien Equipment. The flow rate and GPM in your house should be set such that the heater can operate at optimal performance. This is necessary as noxious fumes need to be expelled through the flue instead of the condensate pipe. If this valve becomes loose or damaged, it can cause 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. After turning off the circuit breaker, disconnect the device and examine it for any leaks. May 21, 2017. WebTurn off the water heater for a minimum of 30-minutes. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. 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 Very straightforward repair once you obtain the o-ring part (cost $3 online, I bought two). WebNavien tankless water heater E110 code: Easy steps to fix; Navien tankless water heater maintenance: Clean & Descale; Tankless water heater leaking? This is where your water supply comes from. Open various warm water fixtures within your home. Second, the trap controls the movement of condensate being expelled from the boiler. Here are the places you need to If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. Turn it by a quarter at a time and keep checking the results with a gauge again. It started to leak from the water adjustment valve. Press the reset button to reset your device. A nice experience could quickly turn into a stressful one. No water flow into the Unit. Leaking from the bottom of the tank: Source: www.pinterest.com. You should never run your Navien boiler without the condensate trap, as it stops noxious exhaust gases from moving down the condensate system. How Are Navien Tankless Water Heaters To Be Cleaned Properly? Take off the inlet filter on the cold water line. To fix the problem, simply unplug the unit and allow the water to drain out. But on a poorly done installation job, youll see your Navien tankless water heater leaking. 2. Tripped breaker. If not, please tell me how I can improve this article. Obstruction In Pipes Solution: 10. Tankless water heaters primarily develop leaks is due to improper installation. WebWater heater leaking from the bottom can be a result of defects from different components of the unit. First, a barrier is formed between the combustion areas and the condensate pipe by the water. Step 3 will show you how. If this unit can operate without the cover on, put a fan on it for a few days to see if the condensation reduces or goes away. There are electronic parts inside. Siphoning Water Solution: 3. Take love :). Close cold water main. No power to the unit. Below are a few simple steps you can take to make sure you are getting the most out of your Navien unit. CR and NP 30000466A . You must log in or register to reply here. Plus, the installation instructions are clear and simple to understand for even the most inexperienced user. Red Label sells a much more expensive belt than Combat because Combat is cheaper. Lovesac Sactional Alternatives To Consider For Your Sweet Home. If this tank is in the garage or an outside location, the warm humid air is condensing because at the bottom of the tank is probably where the cold water enters and it is heated further down the line away from the bottom. water leaking out of top and bottom of tankless hot water heater. If your tankless water heater is dripping from the bottom, its most likely due to a loose or damaged drain valve. If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. Partially Closed Valves Solution: 6. When condensate pipes exist in regions where the cold can get rather extreme, leaking pipes pose an additional threat to the pipe. Your water heater will start to leak if this valve goes bad. Look at the Water Supply Lines. Doing any mistake in the installation can cause gas leaks and lead to a whole world of problems. Add about 6 liters of vinegar to a clean bucket. Mine is 1/2. 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. Does the plug have an O-ring? 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 the water is too hot, an excess of steam might occur, yielding too much pressure for your heater to hold. A drop in temperature makes the gases condense. It looks like you're using an ad blocker. If the leak stops now, youve solved the main issue that was causing it. Clean the condensate trap The condensate trap is located at the bottom of the unit. But with time, they can go bad and develop leaks. Most water heaters have a shutoff valve on the cold supply inlet pipe. Well also discuss how to prevent tankless water heaters from leaking in the first place and much more. 2. The unit was installed in 2016. You do not have to be concerned about that. Press the reset button to reset your device. Check the circulation PUMP. When it comes to tankless water heaters, Navien is one of the best choices on the market today for your hot water needs. Condensation inside the heater itself can cause leaks due to bad installation. A leak would be one location dripping down. A drip from above can easily leak down on top of the water heater and even work its way down the insulation and make it look like the leak is coming from the tank itself. Learn more about our products for home owners. The installing plumber has never seen it and the supply shop he bought it from has no idea either. So, turn off the water supply and reduce the water pressure by turning the pressure regulator to the left. The level of PH in the water determines how fast acidic water will damage your system. There was defintley some backpressure of some sort and the vent eliminated 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 Water Hammering Solution: 5. 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. A bit of the carbon dioxide generates during the ignition process mixes into the condensate, giving it its acidic nature. Loose Heat Exchanger Solution: 7. For a better experience, please enable JavaScript in your browser before proceeding. I also notice some water and rusting at the back left corner, near the water outlet point: WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. 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. Once the water has drained, plug the unit back in and turn it on. Your email address will not be published. Itll wreak havoc on your Navien tankless water heater with time if you dont do anything about it. Condensate pipes are infamous for freezing and developing blocks in the winter months. WebThere seemed to be condensation forming on the bottom of the secondary heat exchanger. Step 3 will show you how. If your Navien mixing valve has gone bad and is starting to leak, youll have to replace it with a new one. A Defective Thermostat. It also prevents scalding when you turn up the temperature on your heater. Chances are, there is debris lodged inside that has to be cleaned. No more leak. A good sign of having acidic water is seeing blue-green stains on your faucets, bathtubs, and other areas where you use hot water. The preventive measure for this problem is to use a water softener. WebFebruary 2019. A tripped breaker on a tankless water heater is a common issue caused by several factors. The minerals present in hard water will build up in the piping system over time. 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. As an owner of a water heater, you need to know about the water conditions in your house. HeyRalph is here! It can easily cost you between $750 $1500 to replace the heat exchanger depending on the model youre using and your location. Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. 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. The consent submitted will only be used for data processing originating from this website. Thus, in newer appliances, such as a Navien boiler, the energy from the gases is caught and utilized to preheat the cool water entering the boiler. Have you--just as a routine maintenance issue--cleaned and refilled the condensate trap itself? Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. Excessive sediment buildup. Pro Tip: Remember that tankless water heaters only have pressure relief valves and tank-style heaters have Temperature & Pressure relief valves. Navien Tankless Water Heater Leaking From Bottom [Why & How To Fix] 1. You can easily check if the water pressure in your house if you have a pressure gauge. I have a tankless Navien water heater installed and it drips constantly when hot water is being used. The first place to check is the plumbing pipes above the water heater. This could create cracks or holes in the water tank from which water will leak. Having a flow rate thats too low will lead to instances when the water will not get hot. 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 tankless water heater from Navien keeps tripping the breaker in the circuit. Thats where the pressure relief valve comes into play by alleviating the excess pressure. It seems that the condensate gets stuck in the syphon and overflows. Leaks can also stem from blocked pipes or mineral buildup from hard water. 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. A condensate trap may get blocked over time due to debris accumulation. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. Check the cold water main: Navien Circulation Pump. 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. 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 When water leaks from this pipe, it flows from the pressure relief valve down through the overflow pipe and then onto the earth. The flow only occurs during programmed "off" periods, but not always. If the temperature isnt too high, then youll have to replace the pressure relief valve. Technically, boiler condensate is not dangerous in any way. With excessive sediment buildup, water and air will concentrate at the bottom of the tank, causing a pressure buildup. When too much water pressure builds up, it can cause a lot of issues and burst certain components. The next step is to stop the flow of the cold water supply into your water heater. 3. Its unlikely for tankless water heaters to leak anyways. 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. Your email address will not be published. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. Observe the bottom of your water heater for a red button. Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. When you replace the trap, ensure that the o-ring is correctly in place. The recalled water heaters and combination boilers were manufactured between July 9, 2018 through Excessive sediment buildup. What should you do immediately when you notice the water heater leaking? Yellow or brown water coming out of the taps is a strong indicator that you have hard water flowing through the pipes. 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. Chances are, there is debris lodged inside that has to be cleaned. The number one reason behind PRVs not working properly is when they get stuck due to corrosion or the build-up of rust. Navien O-Ring P16: E038: Abnormal circulation pump: 1. Blocked condensate traps are generally a result of not servicing your boiler for a long time. 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