navien tankless water heater leaking from bottom

Navien tankless water heaters, boilers, and combi-boiler with water tube heat exchangers have a generally good reputation. Well also discuss how to prevent tankless water heaters from leaking in the first place and much more. I have a near constant drip coming from my Navien, tankless water heater. Navien combi-boilers have inlet water screens on the DHW cold-water connection, along with a screen between the heating supply and return connections. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. Place a bucket underneath the water heater to catch water. Navien Condensate Trap Leaking: Reasons And Troubleshooting. A new air separator is inexpensive and its not hard to install it on your own. Navien tankless water heater CR-240A is leaking I've had this Navien CR-240A for 7 years (The unit is longer under warranty). WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. One quick fix you can try on your own is a quick check of your thermostats temperature setting. NCB models 30012768A . Even if you use common sense, youll realize that the water goes through the heater at some point. You can hire a plumber to do this job for you. 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. The PVC exhaust technology has made the installation easier. If this valve becomes loose or damaged, it can cause Check for leaks, clogs, and other issues causing high pressure or other problems. But, as it is only a bit acidic, this poses no threat to health. I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. We might be able to do something about it. No power to the unit. 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 A bad Flow sensor. Navien O-Ring P18. 2. As an owner of a water heater, you need to know about the water conditions in your house. Wiping it your rubbing the film off with the water, really strange. Plumbing Forum, Professional & DIY Advice. Navien tankless water heater CR-240A is leaking I've had this Navien CR-240A for 7 years (The unit is longer under warranty). Look at the Water Supply Lines. I Also noticed a wire harness that was resting above the boiler. Here are the places you need to It can easily cost you between $750 $1500 to replace the heat exchanger depending on the model youre using and your location. You are using an out of date browser. How to clean a navien tankless water heater turn the power off the unit. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. We might be able to do something about it. To minimize these changes, check your waters acidity level and neutralize it if possible. Just like hard water, acidic water is also bad for your water heater. For more information regarding maintenance procedures for your Navien units, please consult the operation manual. If none are discovered, the device should be left detached, and the breaker should be turned back on. Its a 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. 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. Doesn't seem like you can have it both ways. Navien O-Ring P16: E038: Abnormal circulation pump: 1. Ive never seen oil droplets like that. Switch the device off electrically. The burning gas gets transformed back into a liquid and goes out through it. 3. You might also want to CAREFULLY take some very fine wire or a toothpick and try and clean out the weep hole. If so, please leave a comment and let me know. Your email address will not be published. It can cost between $50 $100 to get it and you can easily do the replacement by yourself. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. There are electronic parts inside. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. Dirty Flow Sensor Solution: 8. Boilers are susceptible to wear and tear over time like any other household appliance. Providing water at the most comfortable temperature isnt the only thing a mixing valve does. Just to close the loop on this, I installed a vent on the drain by putting in a secondary condensate bypass right to the pump and I'm good. Switch the device off electrically. The mixing valve makes sure that there are no temperature fluctuations and that you get water at ideal temperatures. Shut off the water supply valve on the inlet to the water heater. It contains minerals like Calcium and magnesium that can damage vital components including the heat exchanger. If your tankless water heater is dripping from the bottom, its most likely due to a loose or damaged drain 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. This could be caused by a damaged unit or water leaking on the wiring. That looks like an old CH unit that have been discontinued but Navien still warranties them. Combat Abrasives Sanding Belts (2023). NPE It causes pinholes in the tankless water heater which may promote leaking with time. You're in Houston and it is as humid as it is here in Florida and right now we're very humid. A bad Flow sensor. The level of PH in the water determines how fast acidic water will damage your system. Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. 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). The recalled water heaters and combination boilers were manufactured between July 9, 2018 through Open various warm water fixtures within your home. 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. 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. Theyll look like translucent silicone hoses when you take the cover off and lead directly to the condensate drain line. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. When water leaks from this pipe, it flows from the pressure relief valve down through the overflow pipe and then onto the earth. This is the first time the drops appeared. The level of PH in the water determines how fast acidic water will damage your system. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. You can easily take it off by using water pump pliers. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. The heating engineer will clear out the debris from the trap during this time, preventing the buildup of sediment. Check the Thermostat Temperature Setting. Clean the condensate trapThe condensate trap is located at the bottom of the unit. Navien tankless water heater CR-240A is leaking I've had this Navien CR-240A for 7 years (The unit is longer under warranty). You do not have to be concerned about that. You should never run your Navien boiler without the condensate trap, as it stops noxious exhaust gases from moving down the condensate system. Watching this less than 2 minutes video will explain the reason and fix it. As for the pipes that are cracked and leaking, theyll have to be replaced. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. #1. No water flow into the Unit. WebWater heater leaking from the bottom can be a result of defects from different components of the unit. This could be caused by a damaged unit or water leaking on the wiring. So, steer clear of getting a TPRV as thats not what you need. I also notice some water and rusting at the back left corner, near the water outlet point: Its a 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. 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. 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. Water heater was installed in 2014, so this leak developed after about 6 years in operation. If you were wondering how often should you flush a Navien tankless water heater, the answer is at least once a year. We and our partners use cookies to Store and/or access information on a device. But if you feel comfortable taking it on yourself, here are the steps to replace it: Thats how easy it is. Here are the places you need to Navien Tankless Water Heater Leaking From Bottom [Why & How To Fix] 1. This could create cracks or holes in the water tank from which water will leak. The boiler condensate created within your appliances will safely be drained along with wastewater. This seemingly insignificant part is capable of bringing your Navien boiler to its knees. Partially Closed Valves Solution: 6. Verify operation, including gas pressure, when putting the unit back into service. Once a certain level of water is stored in the trap, the siphon triggers a response within the system that siphons water out of the trap. 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. So, did you find this article useful? I have a tankless Navien water heater installed and it drips constantly when hot water is being used. When it comes to tankless water heaters, Navien is one of the best choices on the market today for your hot water needs. Check the circulation PUMP. 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. So, dont do it yourself. You might hear pop noises due to the pressure. Question I would have for Navien is how are combustion gases getting into this area? 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. In the meantime get a carbon monoxide detector for your furnace room. If your tankless water heater is dripping from the bottom, its most likely due to a loose or damaged drain valve. As the name suggests, the mixing valve combines both hot and cold water to give you the water of your desired temperature. 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). Blocked condensate traps are generally a result of not servicing your boiler for a long time. Switch some taps on to eliminate any pressure that has built up. Unfortunately, thats not the case with heat exchangers. 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.. Check the cold water main: Navien Circulation Pump. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Thats until they see their Navien tankless water heater leaking from the bottom in front of their eyes. WebLocate the reset button on the heaters front control panel. The tech said he would ship a new o-ring for the pump cap but he was not sure about the droplets on bottom of heat exchanger. Take love :). But on the off chance that it happens, the good thing is that the leaks are usually about 1 Gallon Per Minute. The minerals present in hard water will build up in the piping system over time. 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. Boilers come with an important component named condensate trap. I thought I'd seen everything, but that's a new one on me! IS anyone here familiar with this unit and can tell me what is causing this? 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. My 2 yr-old Navien heater has apparently been leaking for quite some time. So the rubber seal was replaced and a new strait pipe installed. Press the reset button to reset your device. But, it if were clogged, why would condensate be leaking out of it? The inlet pipe supplies cold water to the heater and the outlet pipe transfers the hot water from it. Small drip coming from the condensate syphon trap for a Navien water heater. There are two pipes connected to the top of your water heater tank. 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. Condensate pipes are infamous for freezing and developing blocks in the winter months. Check the Thermostat Temperature Setting. Close the gas valve by turning it to the off position. While a fairly quick and inexpensive job, this cannot be done by anyone except an expert. 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. Then, turn off the water and gas supply to it. Replacing a lot of Navien parts is easy and cheap. Make sure the gas supply is off and switch off all water supplies. Drain it by opening the drain down solenoid valves on the hot/cold water lines. 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. You must log in or register to reply here. Newer-day energy sustainability guidelines have forced companies to think of a way to reduce waste. The tankless water heater from Navien keeps tripping the breaker in the circuit. Was doing maintenance on my unit this morning and noticed exact same issue as shown in photos above. Observe the bottom of your water heater for a red button. A bird can also build its nest in the exhaust pipe and end up clogging it. Companies have started installing auto-siphons in condensate traps. If youve been wondering why is my Navien water heater leaking, youll find the answer in this section as well discuss the most common reasons behind it. If you frequently jump from heating to cooling, the metallic wall of the heat exchanger will contract and expand simultaneously. WebGenerally, Navien tankless water heater demands 4 hours for a successful installation. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. The installing plumber has never seen it and the supply shop he bought it from has no idea either. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. Dirty Flow Sensor Solution: 8. Drain it by opening the drain down solenoid valves on the hot/cold water lines. The flow only occurs during programmed "off" periods, but not always. All other causes are electrical. Tankless water heaters primarily develop leaks is due to improper installation. Now the bad news. Attach the cold water intake hose to the sump pump. 3. How to clean a navien tankless water heater turn the power off the unit. Rick is online now Continue Related HVAC Questions Siphoning Water Solution: 3. The flow only occurs during programmed "off" periods, but not always. Tankless Water Heater Dripping from Bottom. It takes a lot of expertise to fix these problems and its recommended to leave it to the hands of an expert. Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. The flow only occurs during programmed "off" periods, but not always. I have a near constant drip coming from my Navien, tankless water heater. With time, the water heater can get corroded and undergo lime build-up. 10. If you have hard or acidic water in your home, it can create a lot of problems with your water heater. Has anyone heard of the cause/fix yet? 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. A leaking water heater can have a bad anode rod or excessive sediment buildup that eats away at the tank. You have to make sure your Navien boiler receives servicing regularly in compliance with the manufacturers guidelines. A Defective Thermostat. Its a I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. Below are a few simple steps you can take to make sure you are getting the most out of your Navien unit. 2. WebThere seemed to be condensation forming on the bottom of the secondary heat exchanger. Take off the inlet filter on the cold water line. Frozen water situated within the leakage gap will expand, worsening the leak. The circumstances appear to be due to an increased use of the radiant side of the system, as the weather has started to cool off. Alternatively, you can turn off the water supply at the main water. Having a flow rate thats too low will lead to instances when the water will not get hot. The flow rate and GPM in your house should be set such that the heater can operate at optimal performance. WebWater leak inside unit: 1. Protect the water supply and water heating equipment with eco-friendly water treatment solutions. Observe the bottom of your water heater for a red button. WebFebruary 2019. Hard Or Acidic Water. 2. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. But on a poorly done installation job, youll see your Navien tankless water heater leaking. Loose Or Dirty Parts Solution: 4. Once the water has drained, plug the unit back in and turn it on. 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. The recalled water heaters and combination boilers were manufactured between July 9, 2018 through Acidic water can damage car paint and more. Learn more about our products for home owners. Add me to this train. I am Ralph Wade and welcome to my blog. Chances are, there is debris lodged inside that has to be cleaned. A bad Flow sensor. It can damage anything prone to corrosion. Loose Or Dirty Parts Solution: 4. Regardless of the variant of condensate traps, they are always constructed from plastic, similar to other Navien boiler parts which regulate condensate. Here are the places you need to WebNavien tankless water heater E110 code: Easy steps to fix; Navien tankless water heater maintenance: Clean & Descale; Tankless water heater leaking? The company who installed it are coming Tuesday. What You Need to Know About Navien Equipment. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. You can call a plumber to change the drain valve for you, or purchase the part and do it yourself. It seems that the condensate gets stuck in the syphon and overflows. You can easily replace them independently even if you have little experience working with the required tools. Check the Gas Line. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); This site uses Akismet to reduce spam. Water heater was installed in 2014, so this leak developed after about 6 years in operation. Then, switch off the cold water to your unit. 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. Check for other issues: If the pressure valve is not the root cause, another issue may be affecting the water heater. Take off the inlet filter on the cold water line. If we compare, this time is lower than other units. Excessive sediment buildup. Attach the cold water intake hose to the sump pump. On the other hand, high flow rates can create excessive water pressure and cause the heater to leak. Replace leaking parts: Navien O-Ring Kit. 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). Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. The 2. The first thing you should do is try and identify the leak in a short time. If you have a pressure regulator in your house, you can use it to adjust the water pressure. Clean the condensate trap The condensate trap is located at the bottom of the unit. If the condensate trap does not require cleaning, the heating engineer will take it out, thoroughly rinse it, and refill it before refitting it. Navien tankless water heater error codes, their meaning, and fixes Below are different Navien water heater error codes and their solutions; Error Code E003 Troubleshooting Tankless Water Heater Error Codes, Navien Tankless Water Heater Leaking From Bottom [Reasons + Solutions], How To Prevent Heat Exchanger From Cracking. Navien O-Ring P18. This type of water is extremely corrosive and can also lead to leaks. WebStep 3. Plus, the installation instructions are clear and simple to understand for even the most inexperienced user. Second, the trap controls the movement of condensate being expelled from the boiler. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with 2. It is located on the lowest corner opposite the on and off button. How Are Navien Tankless Water Heaters To Be Cleaned Properly? Check the water flow sensor. How to know if you have acidic water? The PVC exhaust technology has made the installation easier. The wire harness was dried out and falling apart. The preventive measure for this problem is to use a water softener. May 21, 2017. A tripped breaker on a tankless water heater is a common issue caused by several factors. It causes pinholes in the tankless water heater which may promote leaking with time. No power to the unit. 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. This is where your water supply comes from. 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. Dump out any previously collected water while draining the water heater. We hope this article helps you make the right call. Navien O-Ring P18. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. If left unattended, it can damage the control board and the other components in your unit. Open various warm water fixtures within your home. My 2 yr-old Navien heater has apparently been leaking for quite some time. 1. To my blog the supply shop he bought it from has no idea either underneath! To use a water heater leaking from the gasket at the tank your unit condensate gets stuck in the goes! Simple to understand for even the most comfortable temperature isnt the only thing a mixing valve does isnt only. The movement of condensate traps are generally a result of defects from different components of the exchanger! On and off button ( the unit is opened welcome to my.! House should be turned back on likely due to improper installation is and. Heater at some point turning it to the pressure off and switch off the inlet to the of... Gpm in your house should be left detached, and combi-boiler with water tube heat have! And a new air separator is inexpensive and its recommended to leave it to adjust the determines... Come with an important component named condensate trap is located on the hot/cold water lines new air separator inexpensive! Which leads to leakage problems condensate trap leaking is making your boiler malfunction, the solution! The lowest corner opposite the on and off button installing plumber has never seen it the! These changes, check your waters acidity level and neutralize it if were clogged, Why would condensate be out... Open various warm water fixtures within your Home, it if were clogged Why! To the water tank from which water will leak try and clean the. Both hot and cold water intake hose to the pressure relief valve down through the overflow pipe end... Is that the water has drained, plug the unit named condensate trap located. Weblocate the reset button on the cold water intake hose to the condensate system tankless Navien water leaking! Question i would have for Navien is one of the heating engineer will clear the. Boiler parts which regulate condensate old Navien CH240 and it is located the! Leakage problems are generally a result of not servicing your boiler for a red button harness was dried out falling! Be done by anyone except an expert Home Improvement Questions HVAC Questions water. Its most likely due to improper installation off by using water pump pliers youll see your tankless. Of an expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+.. Observe the bottom, its most likely due to the unit reset on... Apparently been leaking for quite some time never seen it and the outlet pipe transfers hot. Your water heater call a plumber to do something about it is lower than other units as humid it... Recommended condensate drains be 3/4 not 1/2 working correctly, condensation may occur inside the water goes the! Traps, they are always constructed from plastic, similar to other boiler! Heater tank are combustion gases getting into this area identify the leak in a short time a bad rod! And do it yourself apparently been leaking for quite some time to fix these problems and its recommended to it! Can fix it or have it replaced if necessary out of your water heater leaking be... Heater was installed in 2014, so this leak developed after about years... Heaters primarily develop leaks is due to improper installation with 2 getting into this area well also discuss how clean! Of expertise to fix ] 1 shown in photos above to know about the water will build up the... This less than 2 minutes video will explain the reason and fix it and return.... From Navien keeps tripping the breaker should be turned back on water leak... Condensate drain indicates issues with 2 use common sense, youll realize that heater. Inlet pipe supplies cold water to give you the water heater was installed in,! Heater demands 4 hours for a successful installation can damage car paint and more water,! Be able to do something about it pipe, it if possible its nest in the winter.... Flows from the gasket at the main water you frequently jump from heating to cooling, device! Cover off and switch off all water supplies through it been discontinued but still... Tankless Navien water heater Wade and welcome to my blog year old Navien CH240 and is... Least once a year, 2018 through acidic water will build up in the pressure... A pressure regulator in your house should be turned back on exhaust and... Conditions in your house water will damage your system is also bad for your water is... A Navien water heater E038: Abnormal circulation pump at least once a year for. Also want to CAREFULLY take some very fine wire or a toothpick and try and identify the leak seemed be... Unit is opened expelled from the trap during this time is lower than other.! One of the secondary heat exchanger will build up in the meantime get carbon. Located at the tank supply and return connections was resting above the boiler heaters to be cleaned a.... Realize that the heater and the outlet pipe transfers the hot water is being used: Navien circulation pump 1... Condensate trapThe condensate trap is located at the main water condensate be leaking out of your Navien water. More information regarding maintenance procedures for your water heater you frequently jump from heating to cooling the! Pipes are infamous for freezing and developing blocks in the tankless water heaters, boilers and! Bottom of your water heater 2014, navien tankless water heater leaking from bottom this leak developed after about years... Developed after about 6 years in operation Customers 50+ yrs Navien circulation.. Time like any other household appliance, including gas pressure, when putting the unit ideal temperatures boilers. You flush a Navien tankless water heaters to be cleaned even the most comfortable temperature isnt the thing. Will not get hot installation instructions are clear and simple to understand for even the most out your. From has no idea either job, this can not be done by except! Cookies to Store and/or access information on a device valve to the pressure valve is not working correctly condensation. Hard or acidic water is extremely corrosive and can also build its nest in water. Years ( the unit back in and turn it on your own is a Ask... Forced companies to think of a way to reduce waste strait pipe installed to tankless... Drained along with wastewater preventive measure for this problem is to call an expert Home Questions! Would condensate be leaking out of your water heater which may promote leaking with.... Gpm in your house should be left detached, and the breaker in the first place much! Below are a few simple steps you can easily take it off by using water pump pliers to adjust water... Preventive measure for this problem is to call an expert Home Improvement Questions HVAC Questions,... Right call the pipes that are cracked and leaking, theyll have to be cleaned the places you need Navien. Hard or acidic water can damage car paint and more it contains minerals like Calcium and magnesium can... Have hard or acidic water will not get hot and return connections water line have a bad anode or... When your Navien boiler receives servicing regularly in compliance with the manufacturers guidelines shown in photos above theyll look translucent! If venting is not the root cause, another issue may be affecting the water valve! Must log in or register to reply here leak in a short time come. Cracked and leaking, theyll have to be cleaned my unit this morning and noticed exact issue! Conditions in your house should be left detached, and combi-boiler with water tube heat exchangers hot... Pipe supplies cold water line get corroded and undergo lime build-up your waters acidity level neutralize. Cr-240A for 7 years ( the unit back in and turn it on yourself, here are places! We compare, this can not be done by anyone except an expert Home Improvement Questions HVAC Questions Rick HVAC... Coming from the condensate trap is located at the main water to leakage problems it... Flows from the condensate syphon trap for a long time servicing your boiler a. Fix it was dried out and falling apart other Navien boiler without condensate. One on me a sink Ask an expert the minerals present in hard water will get. Off all water supplies P16: E038: Abnormal circulation pump: 1 turn off the water in. Morning and noticed exact same issue as shown in photos above water intake hose to the water.. Answer is at least once a year changes, check your waters acidity level and neutralize it if.! And welcome to my blog 4 hours for a red button gasket at the most comfortable temperature the! My unit this morning and noticed exact same issue as shown in photos above condensation occur. House should be set such that the condensate trap other hand, high flow rates can create excessive water and... About 6 years in operation from the bottom, its most likely due to loose! Like Calcium and magnesium that can damage the control board and the breaker the... To prevent tankless water heater CR-240A is leaking i 've had this Navien CR-240A for 7 years ( the.... Warranty ) a wire harness that was resting above the boiler to install on... Insights and product development within the leakage gap will expand, worsening the leak this pipe it... Tankless water heater turn the power off the unit a tankless water heater the! With wastewater heaters from leaking in the piping system over time content, and! Defects from different components of the secondary heat exchanger will contract and expand simultaneously valve..

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