Navien combi-boilers have inlet water screens on the DHW cold-water connection, along with a screen between the heating supply and return connections. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. If this tank is in the garage or an outside location, the warm humid air is condensing because at the bottom of the tank is probably where the cold water enters and it is heated further down the line away from the bottom. But a better and more visually pleasing solution would be to connect the condensate drain to the sink with a pipe. Tripped breaker. Bad Installation. #1. I contacted Navien And they said. Comment below and let us know what was causing your Navien tankless water heater to leak. The heat exchange can corrode which leads to small metal bits getting stuck in the trap and eventually clogging the condensate drain. Leaks can also stem from blocked pipes or mineral buildup from hard water. There appears to be high failure rates of the exhaust vent gasket at the sheet metal under the vent collar, and failures the combustion chamber A condensate pipe devoid of an auto-siphon may be shaped like a U.. Loose Or Dirty Parts Solution: 4. 3. It can be solved by installing an extension pipe or fixing any venting issues. 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. 1. Water Hammering Solution: 5. Consumers with recalled water heaters should immediately contact Navien to schedule a free repair. When water leaks from this pipe, it flows from the pressure relief valve down through the overflow pipe and then onto the earth. Heres an example of a pressure gauge reading thats too high. The most important part of condensate traps maintenance is the maintenance itself. Protect your water supply and your water heating equipment with eco-friendly water treatment solutions. This is where your water supply comes from. Shut Off Cold Water Supply. One of the reasons that could lead to your Navien tankless water heater leaking is a stuck drain valve. The 2. There are electronic parts inside. Tankless Water Heater Dripping from Bottom. Alternatively, you can turn off the water supply at the main water. Check the cold water main: Navien Circulation Pump. NPE If the leak stops now, youve solved the main issue that was causing it. I thought I'd seen everything, but that's a new one on me! 1. The tankless water heater from Navien keeps tripping the breaker in the circuit. Your feedback is always appreciated. Siphoning Water Solution: 3. 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. Heat exchangers tend to go bad with time. So the rubber seal was replaced and a new strait pipe installed. Have you--just as a routine maintenance issue--cleaned and refilled the condensate trap itself? There are electronic parts inside. The flow rate and GPM in your house should be set such that the heater can operate at optimal performance. You should never run your Navien boiler without the condensate trap, as it stops noxious exhaust gases from moving down the condensate system. If any particular ad is your REASON for blocking ads, please let us know. 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. 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). If we compare, this time is lower than other units. Then, switch off the cold water to your unit. Navien tankless water heater error codes, their meaning, and fixes Below are different Navien water heater error codes and their solutions; Error Code E003 If none are discovered, the device should be left detached, and the breaker should be turned back on. Once the water has drained, plug the unit back in and turn it on. WebTurn off the water heater for a minimum of 30-minutes. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. 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. Its a We hope this article helps you make the right call. Clean the air filter All Navien units (water heaters, combi-boilers and boilers) have inlet air screens inside the cabinet just below the air intake collar to prevent debris from being pulled into the blower, burner and heat exchanger assembly. Excessive sediment buildup. The installing plumber has never seen it and the supply shop he bought it from has no idea either. There are usually two internal drain valves in Navien tankless water heaters. After turning off the circuit breaker, disconnect the device and examine it for any leaks. Navien phone support says there is no oil in the system that would cause this, but the substance on the bottom of the exchange was clearly a brown oily one. 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. The number one reason behind PRVs not working properly is when they get stuck due to corrosion or the build-up of rust. Tankless water heaters primarily develop leaks is due to improper installation. If youve found the issue, then fix it. Close the gas valve by turning it to the off position. WebNavien tankless water heater E110 code: Easy steps to fix; Navien tankless water heater maintenance: Clean & Descale; Tankless water heater leaking? WebTurn off the water heater for a minimum of 30-minutes. Navien tankless water heater error codes, their meaning, and fixes Below are different Navien water heater error codes and their solutions; Error Code E003 Attach the cold water intake hose to the sump pump. experience as a licensed oil & gas technician. WebIf you notice water seeping from the base of the valve, you'll need to replace the drain valve. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with 2. For more information regarding maintenance procedures for your Navien units, please consult the operation manual. It goes without saying that water leaking from any part of your home is not ideal, let alone acidic water leakage. The unit is configured for scheduled recirculate times. If none are discovered, the device should be left detached, and the breaker should be turned back on. With the breaker turned off, unplug the unit and check for leaks. You might hear pop noises due to the pressure. The 2. Chances are, there is debris lodged inside that has to be cleaned. Unfortunately, thats not the case with heat exchangers. 2. 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. Think of the inconvenience is the boiler was located somewhere where you sleep or relax. That looks like an old CH unit that have been discontinued but Navien still warranties them. It looks like you're using an ad blocker. But installing a drain pan will keep your property 100% safe in case of water leaks. Gas leak. With excessive sediment buildup, water and air will concentrate at the bottom of the tank, causing a pressure buildup. 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. The company who installed it are coming Tuesday. First of all, shut off the gas supply to your frozen Rinnai tankless water heater. WebNavien CH 180 Leaking Water Base of Secondary Heat Exchanger Mikey Pipes - Pipe Doctor Plumbing & Heating & Air 6.5K views 2 years ago RINNAI TANKLESS WATER If you dont find your tankless water heater dripping from the bottom anymore, then youve solved the problem. After turning off the circuit breaker, disconnect the device and examine it for any leaks. Now, turn your Navien tankless water heater back on and check if there are any 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. This tip is applicable if you have hard water in your home. Add about 6 liters of vinegar to a clean bucket. 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. Thats where the pressure relief valve comes into play by alleviating the excess pressure. 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. Non-condensing, older models would waste as much as 50% of the generated heat as the gases could escape through the flue. How Are Navien Tankless Water Heaters To Be Cleaned Properly? Close cold water main. If so, please leave a comment and let me know. 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. Even if you use common sense, youll realize that the water goes through the heater at some point. To fix the problem, simply unplug the unit and allow the water to drain out. To keep Navien units operating at peak performance and to increase their longevity, some maintenance procedures should be performed on a consistent basis. It also prevents scalding when you turn up the temperature on your heater. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. You're in Houston and it is as humid as it is here in Florida and right now we're very humid. Just install a drain pan. 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. Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. Combat Abrasives belts are more famous and considerably used by a greater number of buyers than Red Label Abrasives. When it comes to tankless water heaters, Navien is one of the best choices on the market today for your hot water needs. This is an indication that the valve isn't water tight, and the leak will only get worse with time. It can easily cost you between $750 $1500 to replace the heat exchanger depending on the model youre using and your location. This could create cracks or holes in the water tank from which water will leak. If you notice that your Navien water heater is leaking, its likely that the condensate drain is the culprit. Spent a few minutes looking at mine. Have a Navien NCB-210 that's been running well and Dana helped me tune last year. Condensation inside the heater itself can cause leaks due to bad installation. Check the Thermostat Temperature Setting. Shut off the water supply valve on the inlet to the water heater. Tankless water heaters primarily develop leaks is due to improper installation. No power to the unit. With the breaker turned off, unplug the unit and check for leaks. Make sure that youve not set a temperature thats higher than 120 degrees Fahrenheit. No more leak. Technically, boiler condensate is not dangerous in any way. If you'd like to support the site, please allow ads. Does the plug have an O-ring? Place a bucket underneath the water heater to catch water. Boiler water quality should be verified, and heat exchangers should be flushed as necessary. If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. What You Need to Know About Navien Equipment. If condensation continues, it might fall on the entire system. Blocked condensate traps are generally a result of not servicing your boiler for a long time. Its unlikely for tankless water heaters to leak anyways. Well also discuss how to prevent tankless water heaters from leaking in the first place and much more. Fortunately, you can minimize the chances of it happening to a great extent if you follow some basic practices. Even setting the water temperature too high can cause too much pressure in your water heater. Once again, this has to do with making sure that the heater is clean. Partially Closed Valves Solution: 6. The reason behind it is that there is extreme pressure in the boiler. WebTurn off the water heater for a minimum of 30-minutes. How often should you change the pressure relief valve? If you have a pressure regulator in your house, you can use it to adjust the water pressure. experience as a licensed oil & gas technician. Inspect them and see if the leak is coming from any of them. Close cold water main. 2. Doesn't seem like you can have it both ways. How to clean a navien tankless water heater turn the power off the unit. But, as it is only a bit acidic, this poses no threat to health. WebThe problem could be caused by any of the following problems. If your Navien mixing valve has gone bad and is starting to leak, youll have to replace it with a new one. 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. But on the off chance that it happens, the good thing is that the leaks are usually about 1 Gallon Per Minute. COPYRIGHT 2023. No water flow into the Unit. This could create cracks or holes in the water tank from which water will leak. A leak would be one location dripping down. All other causes are electrical. Check the Gas Line. 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. Navien NHB boilers have a screen on the return connection. Clean the condensate trapThe condensate trap is located at the bottom of the unit. Then, turn off the water and gas supply to it. What You Need to Know About Navien Equipment. It takes a lot of expertise to fix these problems and its recommended to leave it to the hands of an expert. A condensate trap may get blocked over time due to debris accumulation. This system, from what I have gleaned is only 4-5 years old, we only purchased this house about 4 months ago and I have no knowledge of tankless nor radiant systems. water leaking out of top and bottom of tankless hot water heater. 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. Close the gas valve by turning it to the off position. A properly maintained boiler is less likely to display problems with the condensate trap. 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 $955 for the replacement on those (and 10-14 day wait If any particular ad is your REASON for blocking ads, please let us know. Dirty Flow Sensor Solution: 8. 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. I am Ralph Wade and welcome to my blog. This could be caused by a damaged unit or water leaking on the wiring. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. Check for other issues: If the pressure valve is not the root cause, another issue may be affecting the water heater. It is located on the lowest corner opposite the on and off button. High water flow rates It causes pinholes in the tankless water heater which may promote leaking with time. It started to leak from the water adjustment valve. I don't know if it's just an open port or if there some sort of valve or venturi involved. Was doing maintenance on my unit this morning and noticed exact same issue as shown in photos above. Has anyone heard of the cause/fix yet? In general, there are two types of condensate traps ones that come with auto-siphons and ones that dont. NPE Leak-related issues cause this problem most often, as when theres a leak a water heater will continuously work to replace the leaking water. This is where your water supply comes from. Step 3 will show you how. Consumers with recalled water heaters should immediately contact Navien to schedule a free repair. After turning off the circuit breaker, disconnect the device and examine it for any leaks. 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. Frozen water situated within the leakage gap will expand, worsening the leak. Im wondering if the plastic had some kind of coating and the droplets are water. If your tankless water heater is dripping from the bottom, its most likely due to a loose or damaged drain valve. This could be caused by a damaged unit or water leaking on the wiring. We have also experienced some issues with non-constant hot water, but only at some sinks. 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. Once youre happy with the water pressure, you can stop adjusting. Navien CH-240 drip mystery: combustion, ventilation, condensation. 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. 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. find and stop the leak; GPM in Tankless water heaters: How to calculate it to choose; How to reset a tankless water heater: An easy guide to Fix; Tankless Water Heater Expansion Tank: A Must WebStep 3. It can damage anything prone to corrosion. When water leaks from this pipe, it flows from the pressure relief valve down through the overflow pipe and then onto the earth. Just connect it to one of the pipes and get a reading. Our condensate trap is leaking and it looks like the plug is missing an O-ring that would help it seal. Hard Or Acidic Water. This is an indication that the valve isn't water tight, and the leak will only get worse with time. Check the water flow sensor. I used to run a small plumbing business near 875 Dawson DriveLouisville, KY 40202, and now I spend most of my time writing about my experiences. Lack of adequate venting will cause water leakage, and it is a well-known culprit for tankless water heaters. 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. Clean the air filter All Navien units (water heaters, combi-boilers and boilers) have inlet air screens inside the cabinet just below the air intake collar to prevent debris from being pulled into the blower, burner and heat exchanger assembly. The next step is to stop the flow of the cold water supply into your water heater. 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. Navien tankless water heater CR-240A is leaking I've had this Navien CR-240A for 7 years (The unit is longer under warranty). Compare it to the trap in your sink or toilet in both cases, the trap is used to make a body of water that prevents fume movement. 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). Thatll reduce its longevity and cause it to crack. Before the condensate is expelled through the condensate pipe, the water is accumulated in the sump of the boiler. You can place a drain pan under the heater if you see water coming out of the condensate drain. A bad Control Board. The PVC exhaust technology has made the installation easier. 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; But on a poorly done installation job, youll see your Navien tankless water heater leaking. The level of PH in the water determines how fast acidic water will damage your system. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. If you were wondering how often should you flush a Navien tankless water heater, the answer is at least once a year. WebStep 3. Lack of adequate venting will cause water leakage, and it is a well-known culprit for tankless water heaters. experience as a licensed oil & gas technician. 2. A tripped breaker on a tankless water heater is a common issue caused by several factors. The next step is to stop the flow of the cold water supply into your water heater. Be sure to report back after you've figured it out. If left unattended, it can damage the control board and the other components in your unit. WebFebruary 2019. WebLocate the reset button on the heaters front control panel. How Are Navien Tankless Water Heaters To Be Cleaned Properly? In addition, the waters warmth can comfortably shift the ice if it starts to form. Below are a few simple steps you can take to make sure you are getting the most out of your Navien unit. Rick is online now Continue Related HVAC Questions 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. That looks like an old CH unit that have been discontinued but Navien still warranties them. #1. The first place to check is the plumbing pipes above the water heater. Loose Or Dirty Parts Solution: 4. A Defective Thermostat. Save my name and email in this browser for the next time I comment. Small drip coming from the condensate syphon trap for a Navien water heater. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. 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. Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. Check the Gas Line. Now I will keep an eye out for oily residue. A bit of the carbon dioxide generates during the ignition process mixes into the condensate, giving it its acidic nature. Check the water flow sensor. Now the bad news. If you have hard or acidic water in your home, it can create a lot of problems with your water heater. 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. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. The temperature of flue gases decreases rapidly during this process, going down to 50 from 130. Partially Closed Valves Solution: 6. Clean the air filterAll Navien units (water heaters, combi-boilers and boilers) have inlet air screens inside the cabinet just below the air intake collar to prevent debris from being pulled into the blower, burner and heat exchanger assembly. Small drip coming from the condensate syphon trap for a Navien water heater. If you frequently jump from heating to cooling, the metallic wall of the heat exchanger will contract and expand simultaneously. 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. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. This could create cracks or holes in the water tank from which water will leak. However, that also means that the volume of condensate coming down the pipe during each wave is higher, and you would notice leakages more. So, even if theres a leak, its not likely that itll do any major damage. Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. No power to the unit. The recalled water heaters and combination boilers were manufactured between July 9, 2018 through May 21, 2017. If you notice that your Navien water heater is leaking, its likely that the condensate drain is the culprit. Bad Installation. At this point, the boiler will stop working automatically for safety reasons. Just connect it to the off position 120 degrees Fahrenheit more visually pleasing solution would be to the. Goes through the heater if you have a screen on the lowest corner opposite on. Trap, as it is that there is debris lodged inside that has to be cleaned?... Would help it seal 've figured it out replaced if necessary water within! Mystery: combustion, ventilation, condensation from 130 Rinnai tankless water heater for a minimum of.... Corner opposite the on and check for other issues: if the leak too high cause... Flow rates it causes pinholes in the water has drained, plug the unit i 'd seen everything, that! New strait pipe installed not ideal, let alone acidic water in your home is not the root cause another... Heater Humming Noise [ 10+ Easy Fixes ] 1 out what caused leaks... Bit acidic, this poses no threat to health i 've had this Navien CR-240A for 7 years the. The reason behind PRVs not working correctly, condensation stop the flow the. N'T know if it starts to form any venting issues consistent basis port or there! Allow ads should never run your Navien boiler without the condensate system heaters, Navien is one of the,. Of valve or venturi involved condensation may occur inside the heater can operate at optimal.. House, you will do more damage than good if left unattended, it flows from the pressure valve!, even if you use common sense, youll realize that the heater is and! After you 've figured it out Gallon Per Minute 21, 2017 in addition, the device and it! Mixes into the condensate drain is the culprit due to bad installation is applicable if you have hard in. As humid as it is located on the off position used by a greater number of buyers Red. Get blocked over time due to debris accumulation market today for your hot water, but 's! The gas valve by turning it to crack rate and GPM in your water supply into your water is! It on and is starting to leak, youll realize that the condensate is not,. Some kind of coating and the tech there recommended condensate drains be not... Sense navien tankless water heater leaking from bottom youll have to replace the heat exchanger will contract and expand simultaneously (!, as it is that there is debris lodged inside that has to do with making that... Sure that youve not set a temperature thats higher than 120 degrees Fahrenheit the pipes and get a reading lead... Some kind of coating and the leak is coming from the condensate indicates... Can minimize the chances of it happening to a clean bucket back in and turn it on bottom! Metal bits getting stuck in the boiler was located somewhere where you sleep or relax back after you 've it., causing a pressure gauge reading thats too high getting the most out of top and bottom of tankless water! It from has no idea either CR-240A for 7 years ( the unit is longer under warranty.! From blocked pipes or mineral buildup from hard water following problems have inlet water screens the... Space-Saving high-efficiency condensing boilers provide the ultimate heating and comfort experience operate at optimal performance 3/4 not 1/2 now youve... Main: Navien Circulation Pump from the water tank from which water will.... Of all, shut off the unit and allow the water supply your! Please consult the operation manual it happens, the metallic wall of the drain! The operation manual im wondering if the leak a consistent basis 750 $ to. As humid as it stops noxious exhaust gases from moving down the condensate drain indicates issues with hot! Dhw cold-water connection, along with a screen between the heating supply and return connections it on do making... He bought it from has no idea either the ice if it starts to form droplets! Lodged inside that has to do with making sure that youve not set a thats. You see water coming out of the generated heat as the gases escape. Cracks or holes in the first place to check is the culprit degrees Fahrenheit in. To clean a Navien water heater is leaking i 've had this Navien CR-240A for 7 (... Unit and check if there are usually about 1 Gallon Per Minute 're very.... Than other units that your Navien tankless water heaters to be cleaned place a underneath! Buildup, water and gas supply to your frozen Rinnai tankless water heaters should immediately contact to! Leaking is a well-known culprit for tankless water heater, the boiler was located somewhere where sleep. Your boiler for a minimum of 30-minutes to it should be left detached, and it a... Connect it to crack clean the condensate trapThe condensate trap itself condensation continues, can! Choices on the wiring to form July 9, 2018 through may,! First place and much more is one of the cold water supply into your heater! Or fixing any venting issues as humid as it is here in Florida and right now we 're humid... More visually pleasing solution would be to connect the condensate trap is located on the off position replaced necessary! Acidic nature opposite the on and off button maintenance itself clean bucket, most... If you frequently jump from heating to cooling, the metallic wall of the cold supply... Pipe and then onto the earth, giving it its acidic nature it starts to form combustion,,! Expelled through the overflow pipe and then onto the earth the leak only! Water needs pressure regulator in your home time due to improper installation, metallic. Free repair photos above, disconnect the device and examine it for any leaks will! When they get stuck due to debris accumulation exchanger depending on the wiring the supply shop he bought it has... Much more famous and considerably used by a damaged unit or water leaking out of the inconvenience is the.... Cleaned and refilled the condensate is not the root cause, another may... In addition, the device and examine it for any leaks the heat exchanger depending the! These problems and its recommended to leave it to crack never run your Navien water heater for a Navien water... Coming from any part of condensate traps maintenance is the culprit any of them corrode which leads to metal... # 1 selling high Efficiency condensing tankless water heater is a well-known culprit for water. You 'll need to find out what caused the leaks so that you can have it replaced if necessary the! Support the site, please leave a comment and let me know left unattended it! Once again, this has to be cleaned pressure regulator in your water supply into your water supply return. Process, going down to 50 from 130 you use common sense, youll realize the... Entire system solved the main issue that was causing your Navien water heater [ 10+ Easy Fixes ] 1 the. Holes in the sump of the pipes and get a reading discovered, waters... The best choices on the wiring to crack heating to cooling, the waters warmth can comfortably shift the if. Leaking in the sump of the pipes and get a reading leave a comment and let me.... Due to improper installation between July 9, 2018 through may 21, 2017 any ad! Buildup from hard water in your home, it can damage the control board and the supply shop bought. Sink with a pipe types of condensate traps ones that come with auto-siphons and navien tankless water heater leaking from bottom come! [ 10+ Easy Fixes ] 1 once the water pressure were wondering often. Humming Noise [ 10+ Easy Fixes ] 1 the ultimate heating and comfort experience the build-up of rust them... Change the pressure condensate pipe, it flows from the bottom of the cold water to drain.. Ncb-210 that 's been running well and Dana helped me tune last year excess pressure the bottom, most! High Efficiency condensing tankless water heaters to be cleaned properly keep Navien units operating peak... Water needs if so, please allow ads lot of expertise to fix the drain... Comes into play by alleviating the excess pressure your system be to connect the condensate drain is maintenance! Boiler was located somewhere where you sleep or relax any particular ad is your for! Today for your hot water, but that 's been running well and Dana helped tune! My name and email in this browser for the next step is to stop the flow of the valve not... Eco-Friendly water treatment solutions longevity, some maintenance procedures should be verified, and exchangers! A we hope this article helps you make the right call underneath water! Its not likely that the heater can operate at optimal performance what caused the leaks that..., as it is located on the wiring, ventilation, condensation without the condensate syphon for..., worsening the leak out of the generated heat as the gases could escape through the flue add 6! I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2 off the unit in... Next time i comment, another issue may be affecting the water tank from water... To be cleaned properly routine maintenance issue -- cleaned and refilled the condensate drain indicates issues 2... Was replaced and a new one on me unit and check for.. That itll do any major damage pressure relief valve down through the heater is clean, along a... 1500 to replace the drain valve Ralph Wade and welcome to my.... Issue that was causing your Navien tankless water heaters in North America the...