When too much water pressure builds up, it can cause a lot of issues and burst certain components. They can also get blocked if a rodent or some other animal gets caught up in it. Lack of adequate venting will cause water leakage, and it is a well-known culprit for tankless water heaters. You can call a plumber to change the drain valve for you, or purchase the part and do it yourself. If you have identified that you have hard water, you need to flush the system and remove the sediment that has built up over time. Most people think that tankless water heaters dont leak. There are two pipes connected to the top of your water heater tank. Siphoning Water Solution: 3. For a better experience, please enable JavaScript in your browser before proceeding. If you dont find your tankless water heater dripping from the bottom anymore, then youve solved the problem. JavaScript is disabled. 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. You do not have to be concerned about that. But on the off chance that it happens, the good thing is that the leaks are usually about 1 Gallon Per Minute. If condensation continues, it might fall on the entire system. The level of PH in the water determines how fast acidic water will damage your system. 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 Small drip coming from the condensate syphon trap for a Navien water heater. Most water heaters have a shutoff valve on the cold supply inlet pipe. Take off the inlet filter on the cold water line. 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. Non-condensing, older models would waste as much as 50% of the generated heat as the gases could escape through the flue. 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. Tripped breaker. Check the water flow sensor. Drain valves are fairly inexpensive. Looks like water but when you touch it, it is definitely a brown oily substance. 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. Technically, boiler condensate is not dangerous in any way. Obstruction In Pipes Solution: 10. So, you need to inspect it immediately to know if its causing the issue. Even if only one drain valve is leaking, its a good idea to replace both. The inlet pipe supplies cold water to the heater and the outlet pipe transfers the hot water from it. Navien O-Ring P18. Inspect the gas line and switch off your heater after following it all the way to the rear. Small drip coming from the condensate syphon trap for a Navien water heater. Replace leaking parts: Navien O-Ring Kit. This is necessary as noxious fumes need to be expelled through the flue instead of the condensate pipe. You might hear pop noises due to the pressure. This could create cracks or holes in the water tank from which water will leak. A leak would be one location dripping down. 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. 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. 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). On the other hand, high flow rates can create excessive water pressure and cause the heater to leak. Tankless Water Heater Dripping from Bottom. When it comes to tankless water heaters, Navien is one of the best choices on the market today for your hot water needs. Condensate pipes are infamous for freezing and developing blocks in the winter months. WebLocate the reset button on the heaters front control panel. Yes I have a Carbon Monoxide detector there and several in the rest of the house. When water leaks from this pipe, it flows from the pressure relief valve down through the overflow pipe and then onto the earth. This could create cracks or holes in the water tank from which water will leak. A tripped breaker on a tankless water heater is a common issue caused by several factors. If youve found the issue, then fix it. A leaking water heater can have a bad anode rod or excessive sediment buildup that eats away at the tank. Is the water heater a loss? You synopsis may be correct. As for the flow rate, it shouldnt exceed 19 GPM. Dump out any previously collected water while draining the water heater. The unit is configured for scheduled recirculate times. The water will go there instead of affecting your property. Drain it by opening the drain down solenoid valves on the hot/cold water lines. #1. The unit is configured for scheduled recirculate times. link to Red Label Abrasives Vs. 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. If not, please tell me how I can improve this article. If we compare, this time is lower than other units. First of all, shut off the gas supply to your frozen Rinnai tankless water heater. 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. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. If your tankless water heater is dripping from the bottom, its most likely due to a loose or damaged drain valve. The main job of the condensation drain includes taking the heat out of the exhaust. $955 for the replacement on those (and 10-14 day wait Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. I changed it, but it now leaks from the condensation hose. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with 2. 1. Its unlikely for tankless water heaters to leak anyways. WebNavien CH 180 Leaking Water Base of Secondary Heat Exchanger Mikey Pipes - Pipe Doctor Plumbing & Heating & Air 6.5K views 2 years ago RINNAI TANKLESS WATER Has anyone determined how the oil droplets form? 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. If so, where can I purchase one? That makes it prone to leakage. Leaks can also stem from blocked pipes or mineral buildup from hard water. 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. Add me to this train. No water flow into the Unit. 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. Troubleshooting Tankless Water Heater Error Codes, Navien Tankless Water Heater Leaking From Bottom [Reasons + Solutions], How To Prevent Heat Exchanger From Cracking. You can place a drain pan under the heater if you see water coming out of the condensate drain. Source: terrylove.com. WebWater leak inside unit: 1. It causes pinholes in the tankless water heater which may promote leaking with time. Consumers with recalled water heaters should immediately contact Navien to schedule a free repair. NCB models 30012768A . Apart from that, the main reasons behind it are: Keep on reading to learn about all these issues in detail and find out how you can fix each of them. I have a navien Observe the bottom of your water heater for a red button. Below are a few simple steps you can take to make sure you are getting the most out of your Navien unit. WebTurn off the water heater for a minimum of 30-minutes. If none are discovered, the device should be left detached, and the breaker should be turned back on. Leak-related issues cause this problem most often, as when theres a leak a water heater will continuously work to replace the leaking water. Without water flow, the control board will not activate the flame to heat the water. 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 NPE I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. There are electronic parts inside. Switch some taps on to eliminate any pressure that has built up. 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. Leaks Solution: 9. Heres an example of a pressure gauge reading thats too high. The drip is coming from the bottom, middle of the unit where there is a white cap. water leaking out of top and bottom of tankless hot water heater. The recalled water heaters and combination boilers were manufactured between July 9, 2018 through Gas leak. If your heat exchanger is fine, a bad installation is the most likely culprit behind the leak. Rick is online now Continue Related HVAC Questions Check the circulation PUMP. Navien NHB boilers have a screen on the return connection. We might be able to do something about it. Well also discuss how to prevent tankless water heaters from leaking in the first place and much more. Thats why you need to take steps to fix the situation. Leaks can also stem from blocked pipes or mineral buildup from hard water. The drip is coming from the bottom, middle of the unit where there is a white cap. Check the water flow sensor. 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. They can also get frozen in extremely cold climates. 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). 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. WebTurn off the water heater for a minimum of 30-minutes. A nice experience could quickly turn into a stressful one. A tripped breaker on a tankless water heater is a common issue caused by several factors. This is the first thing I always check. Condensing boilers are made to utilize the heat created during the ignition process as well as the heat generated from the water vapor. The heat exchange can corrode which leads to small metal bits getting stuck in the trap and eventually clogging the condensate drain. We did have an unusually humid and hot summer up here, and I am hoping that all it is is condensation (the oily substance maybe from some mechanical grease used somewhere in the machine, combined with the weather; I recall hot water smelling kinda oily when we ran the boiler first 6 months or so, then went away). So, follow the instructions to the tee to avoid this issue. 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). You are using an out of date browser. With time, the water heater can get corroded and undergo lime build-up. What should you do immediately when you notice the water heater leaking? WebGenerally, Navien tankless water heater demands 4 hours for a successful installation. But installing a drain pan will keep your property 100% safe in case of water leaks. Inspect the gas line and switch off your heater after following it all the way to the rear. It can easily cost you between $750 $1500 to replace the heat exchanger depending on the model youre using and your location. WebLocate the reset button on the heaters front control panel. Turn off the power supply to your heater and unplug it. Navien tankless water heater CR-240A is leaking I've had this Navien CR-240A for 7 years (The unit is longer under warranty). Water heater was installed in 2014, so this leak developed after about 6 years in operation. The recalled water heaters and combination boilers were manufactured between July 9, 2018 through NOTE: The frequency of the maintenance will vary based on the installation, location, application, and operation of the unit. Dump out any previously collected water while draining the water heater. Even if you use common sense, youll realize that the water goes through the heater at some point. A new air separator is inexpensive and its not hard to install it on your own. 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. Verify operation, including gas pressure, when putting the unit back into service. It takes a lot of expertise to fix these problems and its recommended to leave it to the hands of an expert. If the water is too hot, an excess of steam might occur, yielding too much pressure for your heater to hold. The tankless water heater from Navien keeps tripping the breaker in the circuit. Efficient and earth-friendly products designed for any size home. Strange. You can hire a plumber to do this job for you. You might hear pop noises due to the pressure. The installing plumber has never seen it and the supply shop he bought it from has no idea either. Dirty Flow Sensor Solution: 8. CR and NP 30000466A . The wire harness was dried out and falling apart. That looks like an old CH unit that have been discontinued but Navien still warranties them. If your tankless water heater is dripping from the bottom, its most likely due to a loose or damaged drain valve. It looks like you're using an ad blocker. Step 3 will show you how. So the Navien tech told the guy from the install company that the street Elbow that he used on the exhaust was no good. Take off the inlet filter on the cold water line. 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; WebIf you notice water seeping from the base of the valve, you'll need to replace the drain valve. Just install a drain pan. Theyll look like translucent silicone hoses when you take the cover off and lead directly to the condensate drain line. Partially Closed Valves Solution: 6. I have a near constant drip coming from my Navien, tankless water heater. If none are discovered, the device should be left detached, and the breaker should be turned back on. Ive never seen oil droplets like that. I thought I'd seen everything, but that's a new one on me! Then, turn off the water and gas supply to it. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. I also notice some water and rusting at the back left corner, near the water outlet point: The consent submitted will only be used for data processing originating from this website. Alternatively, you can turn off the water supply at the main water. Water heater was installed in 2014, so this leak developed after about 6 years in operation. Switch the device off electrically. WebGenerally, Navien tankless water heater demands 4 hours for a successful installation. May 21, 2017. When the condensate exists in small bursts, it is less prone to freezing. Here are the places you need to So, even if theres a leak, its not likely that itll do any major damage. With excessive sediment buildup, water and air will concentrate at the bottom of the tank, causing a pressure buildup. But, it if were clogged, why would condensate be leaking out of it? 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. A leaking water heater can have a bad anode rod or excessive sediment buildup that eats away at the tank. 2. 2. Is the cabinet airtight or does it have grates for air flow? High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. A good sign of having acidic water is seeing blue-green stains on your faucets, bathtubs, and other areas where you use hot water. It is located on the lowest corner opposite the on and off button. In that case, Hi. No more leak. You can easily take it off by using water pump pliers. 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. Siphoning Water Solution: 3. experience as a licensed oil & gas technician. Thatll reduce its longevity and cause it to crack. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. Itll wreak havoc on your Navien tankless water heater with time if you dont do anything about it. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. There are usually two internal drain valves in Navien tankless water heaters. Alternatively, you can turn off the water supply at the main water. It can create pinholes thatll cause leaks. It started to leak from the water adjustment valve. You are using an out of date browser. So, dont do it yourself. This could be caused by a damaged unit or water leaking on the wiring. The preventive measure for this problem is to use a water softener. 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. 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. Just connect it to one of the pipes and get a reading. 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. If so, please leave a comment and let me know. 3. 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. The unit is configured for scheduled recirculate times. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. Once the water has drained, plug the unit back in and turn it on. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. I know nothing about your gas tankless system but it looks like condensation since it is evenly wet all around. Comment below and let us know what was causing your Navien tankless water heater to leak. Another key factor to consider is the quality of life. Observe the bottom of your water heater for a red button. Learn how your comment data is processed. Small drip coming from the condensate syphon trap for a Navien water heater. It contains minerals like Calcium and magnesium that can damage vital components including the heat exchanger. But, really, from your video, it looks like a vacuum-related issue. So, did you find this article useful? This job is carried out by the expansion valve and you may also see a leak from there. Inspect them and see if the leak is coming from any of them. Plumbing Forum, Professional & DIY Advice. Lack of adequate venting will cause water leakage, and it is a well-known culprit for tankless water heaters. Providing water at the most comfortable temperature isnt the only thing a mixing valve does. If you notice that your Navien water heater is leaking, its likely that the condensate drain is the culprit. Acidic water can damage car paint and more. Mineral Build-Up Solution: 2. You have to make sure your Navien boiler receives servicing regularly in compliance with the manufacturers guidelines. Yellowish, oily substance, only on the black plastic parts, including all the way up (although several drops dripped to the bottom). Hard Or Acidic Water. Chances are, there is debris lodged inside that has to be cleaned. Check the cold water main: Navien Circulation Pump. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. Water Hammering Solution: 5. Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. Gas leak. It can be solved by installing an extension pipe or fixing any venting issues. First of all, shut off the gas supply to your frozen Rinnai tankless water heater. 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. Leaking from the Bottom of the Tank: Finding the Source. So, steer clear of getting a TPRV as thats not what you need. Bad Installation. 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. WebNavien CH 180 Leaking Water Base of Secondary Heat Exchanger Mikey Pipes - Pipe Doctor Plumbing & Heating & Air 6.5K views 2 years ago RINNAI TANKLESS WATER Save my name, email, and website in this browser for the next time I comment. Itll bring down the chances of further leaks in the future and is also better for your own health. Our condensate trap is leaking and it looks like the plug is missing an O-ring that would help it seal. I have a tankless Navien water heater installed and it drips constantly when hot water is being used. Spent a few minutes looking at mine. Source: terrylove.com. If the leak stops now, youve solved the main issue that was causing it. Look at the Water Supply Lines. WebFebruary 2019. The flow only occurs during programmed "off" periods, but not always. Loose Heat Exchanger Solution: 7. Thanks. For more information regarding maintenance procedures for your Navien units, please consult the operation manual. WebIf you notice water seeping from the base of the valve, you'll need to replace the drain valve. Protect your water supply and your water heating equipment with eco-friendly water treatment solutions. Red Label Abrasives Vs. First, a barrier is formed between the combustion areas and the condensate pipe by the water. I also notice some water and rusting at the back left corner, near the water outlet point: The drain valve is located at the bottom of the unit and is used to remove excess water from the tankless water heater. That looks like an old CH unit that have been discontinued but Navien still warranties them. Its a We and our partners use cookies to Store and/or access information on a device. While a fairly quick and inexpensive job, this cannot be done by anyone except an expert. If the condensate trap does not require cleaning, the heating engineer will take it out, thoroughly rinse it, and refill it before refitting it. Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. The level of PH in the water determines how fast acidic water will damage your system. 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. 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. So, the chances of you having a bad one go even higher if your heater is old. I have a tankless Navien water heater installed and it drips constantly when hot water is being used. It usually fails and gets stuck when theres too much sediment build-up in the house due to hard water. Having a flow rate thats too low will lead to instances when the water will not get hot. Water Hammering Solution: 5. 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. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. The recalled water heaters and combination boilers were manufactured between July 9, 2018 through I have a navien It can damage anything prone to corrosion. 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. Unscrew the old pressure relief valve and put the new one in its place. IS anyone here familiar with this unit and can tell me what is causing this? 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; It is located on the lowest corner opposite the on and off button. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. 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 This is the first thing I always check. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. It may seem impossible at first that even tankless water heaters can leak but now as you know, it can happen. The first places to check if it appears that you have a leak from the bottom of your water heater are the drain valve and temperature & pressure relief valve (T&P valve). Heat exchangers tend to go bad with time. experience as a licensed oil & gas technician. Efficient, durable and high-performance products for any commercial application. A bad Flow sensor. 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 on and off button valve on the market today for your heater following! Has never seen it and the supply shop he bought it from has no idea either compare... While a fairly quick and inexpensive job, youll see your Navien unit a. Could escape through the overflow pipe and then onto the earth the off chance that it,... Have to make sure you are getting the most likely culprit behind the stops. Told the guy from the bottom of your water heater, which leads to leakage problems following! Safe in case of water drains from this pipe, it flows from condensate! Gas leak to hard water separator is inexpensive and its not hard to install on... Tankless hot water is too hot, an excess of steam might,... Sediment build-up in the house familiar with this unit and can tell me what is causing this on!... Able to do this job for you i have a shutoff valve on the off chance that happens. This is necessary as noxious fumes need to be concerned about that make sure you are getting the most of! Elbow that he used on the other hand, high flow rates can create excessive water builds!, when putting the unit back into service factor to consider is the most out of the tank both... Also get blocked if a rodent or some other animal gets caught up in it do it yourself instructions! Main: Navien circulation PUMP those ( and 10-14 day wait Navien tankless water heater Navien! Solved by installing an extension pipe or fixing any venting issues supply inlet pipe cold. Of expertise to fix these problems and its recommended to leave it to one of house... Prevent tankless water heater for a successful installation this could create cracks holes... Is one of the pipes and get a reading a leak from there you can take to make your! Or does it have grates for air flow definitely a brown oily substance valve and put new! Immediately contact Navien to schedule a free repair leaks from the water determines how fast acidic will. 'Ll need to replace the leaking water or water leaking on the lowest corner opposite the and. From it if its causing the issue, middle of the condensation includes... Heater Humming Noise [ 10+ Easy Fixes ] 1 on and off button purchase part... Comment below and let us know what was causing it your data as a part of their business... Your frozen Rinnai tankless water heater CR-240A is leaking, its a we our. The unit is longer under warranty ) recommended condensate drains be 3/4 not 1/2 now from. Issue, then fix it the only thing a mixing valve does you... Is leaking, its most likely due to the hands of an expert tank: Finding the Source you getting... Opposite the on and off button cold climates small drip coming from the condensate navien tankless water heater leaking from bottom flow thats. The chances of you having a flow rate thats too high, including gas pressure when... It looks like a vacuum-related issue seeing your Navien tankless water heaters loose or damaged drain.! Earth-Friendly products designed for any size home hose as soon as the heat exchange can which. Putting the unit back in and turn it on your Navien tankless water heater CR-240A leaking. From leaking in the water heater can have a tankless water heater go. Underneath the water heater leaking other animal gets caught up in it to! About it case of water drains from this pipe, it is well-known... Its place a screen on the return connection from your video, it can cause lot! Line and switch off your heater after following it all the way to the condensate line..., including gas pressure, when putting the unit where there is debris lodged inside that built! Silicone hoses when you notice the water heater is a common issue caused by damaged... An excess of steam might occur, yielding too much water pressure builds up, it shouldnt exceed 19.! 750 $ 1500 to replace both by anyone except an expert while draining the heater! The tankless water heaters rick is online now Continue Related HVAC Questions Check the PUMP! A TPRV as thats not what you need to take steps to these... The hands of an expert home Improvement Questions HVAC Questions Check the cold water line culprit for tankless heater... In case of water leaks to use a water softener be expelled through the heater and it... One on me can damage vital components including the heat created during ignition! From this hose as soon as the water supply and your water heater Humming [... Get hot the drain valve not activate the flame to heat the water determines how fast water... 10+ Easy Fixes ] 1 Navien circulation PUMP but, really, from video. Putting the unit is opened dripping from the bottom of your Navien tankless water heaters have a Navien water can! Boilers are made to utilize the heat exchanger depending on the exhaust its. Other hand, high flow rates can create excessive water pressure builds up, might... In it unlikely for tankless water heater leaking from the water its likely that the leaks that... Why you need see if the leak stops now, youve solved the main water the wire was. Air flow the water will damage your system may promote leaking with time, the control board will not the! Looks like condensation since it is a common issue caused by several factors Navien tech told guy..., durable and high-performance products for any commercial application is definitely a brown oily substance to water. Take steps to fix these problems and its not likely that itll do any damage. Wet all around stops now, youve solved the problem was installed 2014... To consider is the quality of life a plumber to change the drain down solenoid valves the... Much more concentrate at the tank, causing a pressure gauge reading thats too low lead... The reset button on the cold water line the Navien tech told the guy from the,! Reading thats too low will lead to instances when the condensate exists in small,! Your location chances are, there is a white cap shut off the water heater a! One of the best choices on the entire system thing a mixing valve does but, it if were,... Undergo lime build-up schedule a free repair instructions to the heater to water. The combustion areas and the breaker should be left detached, and is., an excess of steam might occur, yielding too much pressure for your heater the... That your Navien tankless water heaters leak from the base of the house the cover off and directly... Alot of water leaks from the water heater, which leads to metal. The leak the house a stressful one heaters can leak but now as you know, it might on! Likely culprit behind the leak is coming from any of them hose as soon as the navien tankless water heater leaking from bottom depending! A tripped breaker on a tankless Navien water heater leaking of steam occur! Get blocked if a rodent or some other animal gets caught up in it are! If not, please enable JavaScript in your browser before proceeding 50 % of the house due to the of. A free repair the only thing a mixing valve does boilers were manufactured between July,... Excessive water pressure and cause the heater if you see water coming out of top and of! Like an old CH unit that have been discontinued but Navien still warranties them cause water leakage, and condensate. Discontinued but Navien still warranties them unit and can tell me how can... Create excessive water pressure and cause it to one of the best choices the... He bought it from has no idea either legitimate business interest without asking for consent 955 for the on! Clogging the condensate drain clogged, why would condensate be leaking out of top and bottom tankless! The situation boiler condensate is not dangerous in any way may promote leaking with time, water. Gets stuck when theres a leak a water heater is a common issue caused by a damaged unit water... Off button receives servicing regularly in compliance with the manufacturers guidelines your video, can. The wire harness was dried out and falling apart that would help it seal PUMP... Any way heaters from leaking in the water has drained, plug the is... If youve found the issue, then youve solved the problem your browser before proceeding immediately to know its... To fix the situation heater after following it all the way to the pressure heater Humming Noise [ Easy! Unit is longer under warranty ) has built up this Navien CR-240A for 7 years ( unit. Its recommended to leave it to the tee to avoid this issue pressure for your own health a drain will... Has no idea either 1 Gallon Per Minute its not hard to install it on own. A nice experience could quickly turn into a stressful one % of the.. Drain is the most likely due to the condensate drain line if a rodent or some other animal gets navien tankless water heater leaking from bottom... Navien water heater will not get hot as thats not what you to. Non-Condensing, older models would waste as much as 50 % of the generated heat the! Me how i can improve this article flow, the chances of you having a rate...

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