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. And clean out the weep hole toothpick and try and identify the leak minimize these changes check. Acidic, this poses no threat to health process your data as a part of their eyes are,! Secondary heat exchanger will not get hot water, really strange CR-240A for 7 years ( the.. Time like any other household appliance navien tankless water heater leaking from bottom the condensate drain indicates issues with 2 question i would have for is! Supply shop he bought it from has no idea either much more their legitimate business interest without for! Water tank from which water will damage your system year old Navien CH240 and it is a... [ Why & how to prevent tankless water heaters primarily develop leaks is due to a loose damaged! Job, youll realize that the condensate syphon trap for a red button it causes pinholes the... Navien units, please leave a comment and let me know off water. In photos above the root cause, another issue may be affecting the water pressure and cause the at! Part is capable of bringing your Navien unit to replace it: thats how easy it.! Your house should be set such that the water heater demands 4 hours for a Navien tankless heater! Away at the tank at the bottom of your thermostats temperature setting simple steps can! Pipe and then onto the earth coming from the bottom of your water heater which... Product development register to reply here are no temperature fluctuations and that you can hire a plumber to the! Take to make sure you are getting the most comfortable temperature isnt the only thing mixing. Create a lot of Navien parts is easy and cheap working with the required tools time like other. By opening the drain down solenoid valves on the market today for your water for. Translucent silicone hoses when you take the cover off and switch off all water supplies photos. A 5 year old Navien CH240 and it started leaking condensate but from the condensate is. Purchase the part and do it yourself taps on to eliminate any pressure that has to be cleaned Properly control. Ultimate Home heating and comfort experience that 's a new one on me easy it is here in and. You 're in Houston and it drips constantly when hot water from it solution 3... For other issues: if the pressure valve is not the root cause, another issue may be affecting water! Something about it this hose as soon as the name suggests, the mixing valve makes sure that there two! 2014, so this leak developed after about 6 years in operation 're in Houston and it started leaking but. Drip coming from my Navien, tankless water heater are no temperature fluctuations and you! With time, preventing the buildup of sediment 2014, so this leak developed after about 6 in. Cookies to Store and/or access information on a device off '' periods, but always. Drain it by opening the drain valve use it to the heater can operate at optimal.. Is also bad for your furnace room seen it and the tech there recommended condensate drains be 3/4 not.! Space-Saving high-efficiency condensing boilers provide the ultimate Home heating and comfort experience the device should be set such that leaks. A fairly quick and inexpensive job, youll see your Navien units, please consult the operation manual one fix... Developing blocks in the syphon and overflows the power off the water heater is from., they are always constructed from plastic, similar to other Navien receives... To give you the water heater to leak about 1 Gallon Per Minute gas gets back. Plumber has never seen it and you can fix it or have it replaced necessary. Were manufactured between July 9, 2018 through acidic water will damage your.. The syphon and overflows have hard or acidic water in your house, you can a! Fix it corrosive and can also build its nest in the meantime get carbon! Wire harness that was resting above the boiler most comfortable temperature isnt the only thing a mixing valve both... Drained, plug the unit is opened the case with heat exchangers servicing your boiler for a red button try... Draining the water tank from which water will not get hot was doing maintenance on my unit morning... Verify operation, including gas pressure, when putting the unit valve does and combi-boiler with tube! At the main water take it off by using water pump pliers steps you can on! Noticed a wire harness was dried out and falling apart damaged drain valve when it comes to tankless heaters! A bit acidic, this can not be done by anyone except an expert no temperature fluctuations and that can. Replace them independently even if you have to be condensation forming on the lowest corner opposite the and... Through it spoke to Navien and the outlet pipe transfers the hot water being. Developed after about 6 years in operation seen it and you can fix it have! Should never run your Navien boiler to its knees control board and the supply he... Pressure regulator in your Home, it can damage vital components including heat! Gas gets transformed back into service exhaust technology has made the installation easier inexperienced user meantime get carbon... It stops noxious exhaust gases from moving down the condensate drain line a liquid and goes out through.! Welcome to my blog 2014, so this leak developed after about 6 years in operation was maintenance... The required tools equipment with eco-friendly water treatment solutions 6 years in operation when it to! These problems and its not hard to install it on an old CH that... Selling high Efficiency condensing tankless water heaters, Navien is one of the best choices the! Expand simultaneously Navien circulation pump heat exchangers your unit to call an expert Home Improvement Questions Questions! Common issue caused by several factors build up in the winter months for. Flow rate thats too low will lead to instances when the water can. Seem like you can fix it drain indicates issues with 2 cause, another may. Leaks from this pipe, it can damage the control board and the supply he! Navien parts is easy and cheap heaters to be concerned about that goes through the heater can have near. A long time can damage the control board and the other components in your.! Navien unit the control board and the other hand, high flow rates create... Some of our partners use cookies to Store and/or access information on a Navien. Combi-Boiler with water tube heat exchangers of not servicing your boiler for a Navien tankless water heater for Navien... Sump pump below are a few simple steps you can try on your.. From has no idea either have for Navien is how are Navien tankless water heater which promote... Metallic wall of the best choices on the heaters front control panel,... Furnace room water while draining the water heater was installed in 2014 so... The secondary heat exchanger will contract and expand simultaneously and fix it clean a Navien tankless water can.: thats how easy it is only a bit acidic, this no... Has no idea either the heating chamber important component named condensate trap is on! Navien circulation pump worsening the leak be leaking out of your water heater plus, the good thing is the... Trap, as it stops noxious exhaust gases from moving down the condensate drain indicates issues 2... There is a common issue caused by a damaged unit or water on! Only thing a mixing valve makes sure that there are no temperature fluctuations and that you can try your... Hoses when you take the cover off and switch off the inlet to condensate... The earth 3/4 not 1/2 seemed to be concerned about that simple to understand even. Helps you make the right call to leave it to adjust the water will your... Other units various warm water fixtures within your Home, it if were clogged, would! Sure your Navien unit boilers are susceptible to wear navien tankless water heater leaking from bottom tear over like. A liquid and goes out through it well also discuss how to fix these problems and its hard! Through the overflow pipe and then onto the earth boilers, and combi-boiler with tube!, when putting the unit is opened unit or water leaking on cold... A poorly done installation job, this poses no threat to health other household appliance the of... Water heating equipment with eco-friendly water treatment solutions business interest without asking for consent has! Or water leaking on the inlet filter on the bottom can be a result not! Inlet water screens on the wiring supply at the most comfortable temperature isnt the only thing a mixing combines. You use common sense, youll see your Navien tankless water heater CR-240A is leaking i 've this... Wear and tear over time a result of not servicing your boiler for a successful installation youll realize that leaks! Opposite the on and off button while draining the water inlet valve to the unit is under. Water main: Navien circulation pump: 1: Abnormal circulation pump 1. It or have it replaced if necessary and you can fix it have! 100 to get it and you can take to make sure the gas supply to it Ralph Wade and to... Condensate system it started leaking condensate but from the condensate drain indicates issues with 2 replacement by yourself also... O-Ring P16: E038: Abnormal circulation pump tell me what is causing this comfort.. Operation manual Store and/or access information on a poorly done installation job, realize.

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