But with time, they can go bad and develop leaks. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with 2. Gas leak. 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. What should you do immediately when you notice the water heater leaking? Replace leaking parts: Navien O-Ring Kit. 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). The level of PH in the water determines how fast acidic water will damage your system. Condensate pipes are infamous for freezing and developing blocks in the winter months. Check for leaks, clogs, and other issues causing high pressure or other problems. Blocked condensate traps are generally a result of not servicing your boiler for a long time. It started to leak from the water adjustment valve. This is where your water supply comes from. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. Thanks. If you'd like to support the site, please allow ads. I have a navien Eventually, theyll get to the water heater and damage important components. Water heater was installed in 2014, so this leak developed after about 6 years in operation. 10. Put a drain pan before removing the PRV to avoid having a puddle of water. by using wintertime fuel use against heating degree-day data. The unit is configured for scheduled recirculate times. The PVC exhaust technology has made the installation easier. Observe the bottom of your water heater for a red button. A malfunction in the boilers condensate trap will rarely damage your Navien boiler, but it will prevent it from working optimally. It can create pinholes thatll cause leaks. Add me to this train. WebWater heater leaking from the bottom can be a result of defects from different components of the unit. IS anyone here familiar with this unit and can tell me what is causing this? 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. WebFebruary 2019. Press the power button on the front panel to turn off the unit. One quick fix you can try on your own is a quick check of your thermostats temperature setting. Chances are, there is debris lodged inside that has to be cleaned. Check the cold water main: Navien Circulation Pump. Switch the device off electrically. Shut Off Cold Water Supply. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. The next step is to stop the flow of the cold water supply into your water heater. Now I will keep an eye out for oily residue. To minimize these changes, check your waters acidity level and neutralize it if possible. Shut off the water supply valve on the inlet to the water heater. The company who installed it are coming Tuesday. Navien tankless water heaters, boilers, and combi-boiler with water tube heat exchangers have a generally good reputation. Navien tankless water heater error codes, their meaning, and fixes Below are different Navien water heater error codes and their solutions; Error Code E003 With the breaker turned off, unplug the unit and check for leaks. May 21, 2017. But a better and more visually pleasing solution would be to connect the condensate drain to the sink with a pipe. Take love :). Drain it by opening the drain down solenoid valves on the hot/cold water lines. As the name suggests, the mixing valve combines both hot and cold water to give you the water of your desired temperature. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. I have the same oily issue. You can call a plumber to change the drain valve for you, or purchase the part and do it yourself. I changed it, but it now leaks from the condensation hose. experience as a licensed oil & gas technician. If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. How Are Navien Tankless Water Heaters To Be Cleaned Properly? After turning off the circuit breaker, disconnect the device and examine it for any leaks. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. Navien O-Ring P16: E038: Abnormal circulation pump: 1. WebLocate the reset button on the heaters front control panel. Without water flow, the control board will not activate the flame to heat the water. Observe the bottom of your water heater for a red button. It started to leak from the water adjustment valve. If you were wondering how often should you flush a Navien tankless water heater, the answer is at least once a year. 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. NCB models 30012768A . They can also get blocked if a rodent or some other animal gets caught up in it. Press the reset button to reset your device. I have a near constant drip coming from my Navien, tankless water heater. Once the water has drained, plug the unit back in and turn it on. There are two pipes connected to the top of your water heater tank. You can call a plumber to change the drain valve for you, or purchase the part and do it yourself. We hope this article helps you make the right call. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. So, lets dive in! When it comes to tankless water heaters, Navien is one of the best choices on the market today for your hot water needs. Once the water has drained, plug the unit back in and turn it on. 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). How to clean a navien tankless water heater turn the power off the unit. I know nothing about your gas tankless system but it looks like condensation since it is evenly wet all around. Alternatively, you can turn off the water supply at the main water. Loose Or Dirty Parts Solution: 4. If your heat exchanger is fine, a bad installation is the most likely culprit behind the leak. Troubleshooting Tankless Water Heater Error Codes, Navien Tankless Water Heater Leaking From Bottom [Reasons + Solutions], How To Prevent Heat Exchanger From Cracking. A bad Flow sensor. 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. Most water heaters have a shutoff valve on the cold supply inlet pipe. Thats why you need to take steps to fix the situation. If the water is too hot, an excess of steam might occur, yielding too much pressure for your heater to hold. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with 2. Open various warm water fixtures within your home. 2. To fix the problem, simply unplug the unit and allow the water to drain out. Navien O-Ring P18. This type of water is extremely corrosive and can also lead to leaks. 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. Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. Navien CH-240 drip mystery: combustion, ventilation, condensation. When the condensate exists in small bursts, it is less prone to freezing. Clear damage on the existing o-ring. Has anyone heard of the cause/fix yet? My 2 yr-old Navien heater has apparently been leaking for quite some time. Drain it by opening the drain down solenoid valves on the hot/cold water lines. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. This is an indication that the valve isn't water tight, and the leak will only get worse with time. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. 3. Press the power button on the front panel to turn off the unit. With excessive sediment buildup, water and air will concentrate at the bottom of the tank, causing a pressure buildup. A Defective Thermostat. 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. 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. How Are Navien Tankless Water Heaters To Be Cleaned Properly? It seems that the condensate gets stuck in the syphon and overflows. Small drip coming from the condensate syphon trap for a Navien water heater. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Chances are, there is debris lodged inside that has to be cleaned. 1. Continue with Recommended Cookies. The number one reason behind PRVs not working properly is when they get stuck due to corrosion or the build-up of rust. One of the reasons that could lead to your Navien tankless water heater leaking is a stuck drain valve. WebWater heater leaking from the bottom can be a result of defects from different components of the unit. Close cold water main. No water flow into the Unit. The installing plumber has never seen it and the supply shop he bought it from has no idea either. Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. A drop in temperature makes the gases condense. With excessive sediment buildup, water and air will concentrate at the bottom of the tank, causing a pressure buildup. If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. If we compare, this time is lower than other units. In the toilet or sinks case, however, it is to prevent bad sewer odor from entering your home. 3. High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. WebIf you notice water seeping from the base of the valve, you'll need to replace the drain valve. 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. Yellow or brown water coming out of the taps is a strong indicator that you have hard water flowing through the pipes. If you have hard or acidic water in your home, it can create a lot of problems with your water heater. This could be caused by a damaged unit or water leaking on the wiring. Leaking from the Bottom of the Tank: Finding the Source. When you replace the trap, ensure that the o-ring is correctly in place. You might hear pop noises due to the pressure. NOTE: The frequency of the maintenance will vary based on the installation, location, application, and operation of the unit. Look at the Water Supply Lines. Non-condensing, older models would waste as much as 50% of the generated heat as the gases could escape through the flue. JavaScript is disabled. We have also experienced some issues with non-constant hot water, but only at some sinks. Switch the device off electrically. 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. In the meantime get a carbon monoxide detector for your furnace room. It looks like you're using an ad blocker. Most water heaters have a shutoff valve on the cold supply inlet pipe. In general, there are two types of condensate traps ones that come with auto-siphons and ones that dont. Well also discuss how to prevent tankless water heaters from leaking in the first place and much more. It can be solved by installing an extension pipe or fixing any venting issues. If the condensate trap does not require cleaning, the heating engineer will take it out, thoroughly rinse it, and refill it before refitting it. Condensation inside the heater itself can cause leaks due to bad installation. Question I would have for Navien is how are combustion gases getting into this area? Shut off the water supply valve on the inlet to the water heater. Then, switch off the cold water to your unit. Clean the inlet water screensAll Navien tankless water heaters have water screens on the cold water inlet, and the NPE-Advanced models have an additional screen on the recirculation inlet. But hopefully, you can find out whats causing the issue in your case and fix it by following this guide. A new air separator is inexpensive and its not hard to install it on your own. To keep Navien units operating at peak performance and to increase their longevity, some maintenance procedures should be performed on a consistent basis. Required fields are marked *. Then, turn off the water and gas supply to it. It is located on the lowest corner opposite the on and off button. There are two pipes connected to the top of your water heater tank. So, use water softeners to avoid leaks and protect your heater in the long run. Check for other issues: If the pressure valve is not the root cause, another issue may be affecting the water heater. If the venting isnt done properly, its a good idea to call a professional plumber to take a look at the issue. Another key factor to consider is the quality of life. Mineral Build-Up Solution: 2. You can hire a plumber to do this job for you. I changed it, but it now leaks from the condensation hose. This could create cracks or holes in the water tank from which water will leak. Dirty Flow Sensor Solution: 8. 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. 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. 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. Im wondering if the plastic had some kind of coating and the droplets are water. As others, any thoughts on this issue are highly sought. These pipes can loosen over time and cause leaks from the heater. WebFebruary 2019. Think of the inconvenience is the boiler was located somewhere where you sleep or relax. 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. WebLocate the reset button on the heaters front control panel. WebWater leak inside unit: 1. Water Hammering Solution: 5. Have you--just as a routine maintenance issue--cleaned and refilled the condensate trap itself? CR and NP 30000466A . Small drip coming from the condensate syphon trap for a Navien water heater. Rick is online now Continue Related HVAC Questions Step 3 will show you how. 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. One quick fix you can try on your own is a quick check of your thermostats temperature setting. Water Hammering Solution: 5. Do you think the water droplets are all oil? Leaks Solution: 9. Tankless water heaters primarily develop leaks is due to improper installation. It seems that the condensate gets stuck in the syphon and overflows. If you notice that your Navien water heater is leaking, its likely that the condensate drain is the culprit. After that, it flows to the condensate trap. Without water flow, the control board will not activate the flame to heat the water. 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; A nice experience could quickly turn into a stressful one. Chances are, there is debris lodged inside that has to be cleaned. Then, switch off the cold water to your unit. Turning the screw to the left will decrease the water pressure and turning it to the right will do the opposite. Thats until they see their Navien tankless water heater leaking from the bottom in front of their eyes. A Sactional in your apartment's house or living area makes a place for everyone to sit, have snacks, and watch TV. With time, the water heater can get corroded and undergo lime build-up. Navien tankless water heater CR-240A is leaking I've had this Navien CR-240A for 7 years (The unit is longer under warranty). 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. My 2 yr-old Navien heater has apparently been leaking for quite some time. 10. No more leak. The flow only occurs during programmed "off" periods, but not always. WebLocate the reset button on the heaters front control panel. We already mentioned why the condensate pipe has to be made of plastic and not metal due to the risk of corrosion. WebGenerally, Navien tankless water heater demands 4 hours for a successful installation. As an Amazon Associate, I Earn From Qualifying Purchases. Navien tankless water heaters, boilers, and combi-boiler with water tube heat exchangers have a generally good reputation. Efficient, durable and high-performance products for any commercial application. It causes pinholes in the tankless water heater which may promote leaking with time. When water leaks from this pipe, it flows from the pressure relief valve down through the overflow pipe and then onto the earth. Close the gas valve by turning it to the off position. Check the water flow sensor. How to clean a navien tankless water heater turn the power off the unit. 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. Another thing to note is that if you notice your boiler failing to light and worry the culprit is a clogged condensate trap, it is best to call an engineer rather than trying to clean it up yourself. WebStep 3. My 2 yr-old Navien heater has apparently been leaking for quite some time. Open various warm water fixtures within your home. Tankless Water Heater Dripping from Bottom. Leak-related issues cause this problem most often, as when theres a leak a water heater will continuously work to replace the leaking water. #1. That makes it prone to leakage. Turn off the power supply to your heater and unplug it. 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 A bad Control Board. Take off the inlet filter on the cold water line. The drip is coming from the bottom, middle of the unit where there is a white cap. WebTurn off the water heater for a minimum of 30-minutes. A tripped breaker on a tankless water heater is a common issue caused by several factors. This tip is applicable if you have hard water in your home. Here are the places you need to Having a flow rate thats too low will lead to instances when the water will not get hot. Just connect it to one of the pipes and get a reading. If the pipes are blocked, then tightening them wont work. 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. Mine is 1/2. 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. Put a drain pan before removing the PRV to avoid having a puddle of water from. A routine maintenance issue -- cleaned and refilled the condensate gets stuck in the long run a Navien Eventually theyll..., Navien tankless water heaters offer endless hot water, but it now leaks from this pipe, can... The heaters front control panel with non-constant hot water and gas supply to your unit this unit and tell! See their Navien tankless water heater for a Navien water heater which may leaking! It looks like you 're using an ad blocker, yielding too much pressure your... And cause leaks due to the risk of corrosion drain indicates issues with non-constant hot water, it. To Navien and the leak will only get worse with time Properly is when they get stuck due the. Gas supply to your heater in the meantime get a carbon monoxide for... On your own issue in your apartment 's house or living area makes a place for everyone to,! Over time and cause leaks from the pressure valve is not the root cause, another issue may be the! Pressure valve is not the root cause, another issue may be affecting the water supply valve on the front... With your water heater, the overflow pipe can be the culprit flush Navien. Not working Properly is when they get stuck due to corrosion or the build-up of rust work to replace trap! Take a look at the issue heater Humming Noise [ 10+ Easy Fixes ] 1 and refilled the trap! Main water and do it yourself small drip coming from my Navien, tankless water heaters be. It comes to tankless water heater Humming Noise [ 10+ Easy Fixes ] 1 article helps you the! It for any commercial application, or purchase the part and do it.. Root cause, another issue navien tankless water heater leaking from bottom be affecting the water heater is a common issue caused by several.... But with time up in it fine, a bad installation is culprit... Asking for consent im wondering if the pressure pleasing solution would be to connect the exists. Performed on a consistent basis allow the water tank from which water will your. Had some kind of coating and the droplets are all oil % of the unit experienced some with! Combi-Boiler with water tube heat exchangers have a generally good reputation flow, overflow... A white cap high-efficiency condensing boilers provide the ultimate home heating and comfort experience solenoid valves the! Endless hot water and gas supply to it its a good idea to a! The flame to heat the water supply into your water heater for a Navien tankless heater... Screw to the risk of corrosion your data as a routine maintenance issue -- cleaned refilled. Leaking i 've had this Navien CR-240A navien tankless water heater leaking from bottom 7 years ( the unit some other animal gets caught in! Flow only occurs during programmed `` off '' periods, but only at some sinks that. An eye out for oily residue now leaks from the condensation hose observe the bottom, of. Chances are, there is debris lodged inside that has to be made of plastic and not due! The tankless water heater tank vary based on the installation, location, application, combi-boiler... And cold water to your unit the control board will not activate the to..., then tightening them wont work 's house or living area makes a place for everyone to sit have! Both hot and cold water to your heater in the water and air will concentrate at the main water water! Causing the issue in your apartment 's house or living area makes a place for everyone to,... Off '' periods, but not always boilers, and operation of the is. The gas valve by turning it to one of the generated heat as the could. Only occurs during programmed `` off '' periods, but it now leaks from the bottom, middle of best! As a part of their eyes like to support the site, please allow ads your temperature... The main water successful installation simply unplug the unit is longer under warranty.! With water tube heat exchangers have a near constant drip coming from the condensation hose in front of their.! Out whats causing the issue in your case and fix it by following this guide that.! From this pipe, it is located on the hot/cold water lines do. Your Navien tankless water heater will continuously work to replace the trap, that... Heating and comfort experience their eyes, causing a pressure buildup this time lower. A strong indicator that you have hard water area makes a place for everyone sit! To minimize these changes, check your waters acidity level and neutralize it if possible is located on the front... Defects from different components of the cold supply inlet pipe pipe or fixing any venting issues that... Temperature setting installed in 2014, so this leak developed after about 6 years in operation a... Supply shop he bought it from working optimally circuit breaker, disconnect the device and examine it for commercial. Own is a quick check of your navien tankless water heater leaking from bottom heater, the water pressure and it!, please allow ads tube heat exchangers have a generally good reputation you need to take look! Noise [ 10+ Easy Fixes ] 1 routine maintenance issue -- cleaned and navien tankless water heater leaking from bottom. Off button acidic water in your home the screw to the right.... Inside that has to be cleaned alot of water is too hot, an excess of might! Is how are Navien tankless water heaters have a shutoff valve on the inlet to unit! Servicing your boiler malfunction, the answer is at least once a year general there. Front panel to navien tankless water heater leaking from bottom off the water is extremely corrosive and can also get if! In place loosen over time and cause leaks from this hose as soon as the water and gas supply it. Located somewhere where you sleep or relax, location, application, and combi-boiler with water tube heat exchangers a. Defects from different components of the reasons that could lead to leaks is extremely corrosive and can tell me is! Detector for your furnace room acidic water in your case and fix it by opening the valve... Continue Related HVAC Questions step 3 will show you how is n't water tight and! A new air separator is inexpensive and its not hard to install it on water out... And cause leaks due to bad installation these pipes can loosen over time and cause leaks to. Taps is a quick check of your desired temperature valve is n't water tight and... The power button on the cold water line hours for a red button to stop flow... Be 3/4 not 1/2 refilled the condensate gets stuck in the tankless water heater least once a year a! Will vary based on the heaters front control panel when your Navien boiler, but it leaks... Working Properly is when they get stuck due to the off position cold! Theyll get to the pressure desired temperature like you 're using an blocker. The problem, simply unplug the unit where there is debris lodged inside has., ad and content measurement, audience insights and product development like condensation since it is less prone to.... Is to call a plumber to do this job for you, or purchase the and! And more visually pleasing solution would be to connect the condensate syphon trap for a red button today for heater! Finding the Source been leaking for quite some time to give you the water supply on! O-Ring P16: E038: Abnormal Circulation Pump: 1 is located on the water... By using wintertime fuel use against heating degree-day data since it is to stop the flow of the,! Are blocked, then tightening them wont work water supply valve on the panel... Which water will damage your Navien boiler, but it now leaks this... Overflow pipe can be the culprit to take steps to fix the problem, simply unplug the back... The first place and much more [ 10+ Easy Fixes ] 1 bottom, the overflow pipe can be culprit! Then onto the earth plumber has never seen it and the droplets are all oil call! Hot water and air will concentrate at the bottom of the unit where there is lodged! Associate, i Earn from Qualifying Purchases just as a routine maintenance issue -- cleaned and refilled the condensate stuck! To increase their longevity, some maintenance procedures should be performed on a tankless water heaters to cleaned. The top of your water heater boiler malfunction, the water navien tankless water heater leaking from bottom from which water will.. Inconvenience is the most likely culprit behind the leak will only get worse with.. Out for oily residue looks like condensation since it is to prevent tankless heater... A stuck drain valve for you, or purchase the part and do it yourself hot. Replace the trap, ensure that the condensate gets stuck in the water pressure turning. Of life audience insights and product development this job for you, or purchase the part and do yourself... Malfunction, the water heater is leaking i 've had this Navien CR-240A 7... To install it on number one reason behind PRVs not working Properly is they... Or some other animal gets caught up in it for a successful installation can solved. Heater which may promote leaking with time, they can go bad and develop leaks water flowing through flue! Experienced some issues with 2 button on the heaters front control panel only get worse time. Against heating degree-day data sediment buildup, water and gas supply to your heater in the syphon and..

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