Remove the four screws and take off the front cover to gain access to it. 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 Fingers crossed We have a 2 y/o 240A and it has the same oily condensation on the black plastic parts. 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 Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. It started to leak from the water adjustment valve. Obstruction In Pipes Solution: 10. Turning the screw to the left will decrease the water pressure and turning it to the right will do the opposite. A leaking water heater can have a bad anode rod or excessive sediment buildup that eats away at the tank. Note: You can also read how to fix navien tankless water heater temperature swings. The unit is configured for scheduled recirculate times. NPE Youd have to replace them in that situation. If left unattended, it can damage the control board and the other components in your unit. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. If you find that your system has GPM and water pressure higher than that, you need to get it adjusted. It usually fails and gets stuck when theres too much sediment build-up in the house due to hard water. Obstruction In Pipes Solution: 10. Frozen water situated within the leakage gap will expand, worsening the leak. Fortunately, you can minimize the chances of it happening to a great extent if you follow some basic practices. The mixing valve makes sure that there are no temperature fluctuations and that you get water at ideal temperatures. There was defintley some backpressure of some sort and the vent eliminated it. The boiler condensate created within your appliances will safely be drained along with wastewater. Attach the cold water intake hose to the sump pump. Heres an example of a pressure gauge reading thats too high. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. WebWater heater leaking from the bottom can be a result of defects from different components of the unit. With the breaker turned off, unplug the unit and check for leaks. A bad Flow sensor. How Are Navien Tankless Water Heaters To Be Cleaned Properly? It contains minerals like Calcium and magnesium that can damage vital components including the heat exchanger. This is where your water supply comes from. You are using an out of date browser. All other causes are electrical. Lack of adequate venting will cause water leakage, and it is a well-known culprit for tankless water heaters. It is located on the lowest corner opposite the on and off button. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. Leaking from the bottom of the tank: Source: www.pinterest.com. Inspect the gas line and switch off your heater after following it all the way to the rear. Check the Gas Line. HeyRalph is here! Shut Off Cold Water Supply. Looks like water but when you touch it, it is definitely a brown oily substance. WebIf you notice water seeping from the base of the valve, you'll need to replace the drain valve. You can easily replace them independently even if you have little experience working with the required tools. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. It causes pinholes in the tankless water heater which may promote leaking with time. Make sure the gas supply is off and switch off all water supplies. Maybe it was forgotten when maintenance was performed 9 months ago. But if you feel comfortable taking it on yourself, here are the steps to replace it: Thats how easy it is. Check the water flow sensor. At this point, the boiler will stop working automatically for safety reasons. Rick is online now Continue Related HVAC Questions #1. It seems that the condensate gets stuck in the syphon and overflows. Thats why you need to take steps to fix the situation. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. A tripped breaker on a tankless water heater is a common issue caused by several factors. We might be able to do something about it. Place a bucket underneath the water heater to catch water. After turning off the circuit breaker, disconnect the device and examine it for any leaks. Be sure to report back after you've figured it out. #1. JavaScript is disabled. Even if only one drain valve is leaking, its a good idea to replace both. A condensate trap may get blocked over time due to debris accumulation. Have you--just as a routine maintenance issue--cleaned and refilled the condensate trap itself? Wiping it your rubbing the film off with the water, really strange. 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. You already know what the ideal water pressure is for a house. You can place a drain pan under the heater if you see water coming out of the condensate drain. If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. But, really, from your video, it looks like a vacuum-related issue. 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. Observe the bottom of your water heater for a red button. The drain valve is located at the bottom of the unit and is used to remove excess water from the tankless water heater. You can easily check if the water pressure in your house if you have a pressure gauge. Blocked condensate traps are generally a result of not servicing your boiler for a long time. The drip is coming from the bottom, middle of the unit where there is a white cap. Dirty Flow Sensor Solution: 8. Your water heater will start to leak if this valve goes bad. Water Hammering Solution: 5. With the breaker turned off, unplug the unit and check for leaks. The heat exchange can corrode which leads to small metal bits getting stuck in the trap and eventually clogging the condensate drain. Observe the bottom of your water heater for a red button. The first place to check is the plumbing pipes above the water heater. Unscrew the old pressure relief valve and put the new one in its place. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. When it comes to tankless water heaters, Navien is one of the best choices on the market today for your hot water needs. WebWater leak inside unit: 1. The reason behind it is that there is extreme pressure in the boiler. I know nothing about your gas tankless system but it looks like condensation since it is evenly wet all around. Close the gas valve by turning it to the off position. 2. 3. Thats until they see their Navien tankless water heater leaking from the bottom in front of their eyes. WebThe problem could be caused by any of the following problems. experience as a licensed oil & gas technician. It looks like you're using an ad blocker. Below are a few simple steps you can take to make sure you are getting the most out of your Navien unit. This is the first thing I always check. Press the reset button to reset your device. With excessive sediment buildup, water and air will concentrate at the bottom of the tank, causing a pressure buildup. Most people think that tankless water heaters dont leak. Water heater was installed in 2014, so this leak developed after about 6 years in operation. Drain it by opening the drain down solenoid valves on the hot/cold water lines. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. High water flow rates In the toilet or sinks case, however, it is to prevent bad sewer odor from entering your home. Spent a few minutes looking at mine. I changed it, but it now leaks from the condensation hose. Obstruction In Pipes Solution: 10. Turn it by a quarter at a time and keep checking the results with a gauge again. One of the reasons that could lead to your Navien tankless water heater leaking is a stuck drain valve. Chances are, there is debris lodged inside that has to be cleaned. WebFebruary 2019. 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. Plus, the installation instructions are clear and simple to understand for even the most inexperienced user. Press the reset button to reset your device. A properly maintained boiler is less likely to display problems with the condensate trap. The main job of the condensation drain includes taking the heat out of the exhaust. There is a simple solution to make sure that theres little to no damage to your property when your tankless water heater starts leaking. Navien tankless water heater CR-240A is leaking I've had this Navien CR-240A for 7 years (The unit is longer under warranty). That looks like an old CH unit that have been discontinued but Navien still warranties them. One quick fix you can try on your own is a quick check of your thermostats temperature setting. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. Navien Tankless Water Heater Leaking From Bottom [Why & How To Fix] 1. Clean the condensate trap The condensate trap is located at the bottom of the unit. When water leaks from this pipe, it flows from the pressure relief valve down through the overflow pipe and then onto the earth. I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. 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). Is the water heater a loss? Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. There are two pipes connected to the top of your water heater tank. As for the flow rate, it shouldnt exceed 19 GPM. The first thing you should do is try and identify the leak in a short time. Heat exchangers tend to go bad with time. Needs to be a pipe. If condensation continues, it might fall on the entire system. Navien O-Ring P16: E038: Abnormal circulation pump: 1. Water Hammering Solution: 5. WebIf you notice water seeping from the base of the valve, you'll need to replace the drain valve. Leaking from the bottom of the tank: Source: www.pinterest.com. If it were clogged, it might explain what was happening and what your video showed. A Defective Thermostat. So, did you find this article useful? Watching this less than 2 minutes video will explain the reason and fix it. The number one reason behind Navien tankless water heater leaking from bottom is bad installation. This tip is applicable if you have hard water in your home. Modern-day boilers, just like a Navien boiler often release the condensate in brief waves instead of a consistent trickle, thus reducing the chances of freezing. Look at the Water Supply Lines. In addition, the waters warmth can comfortably shift the ice if it starts to form. 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. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. Gas leak. The PVC exhaust technology has made the installation easier. The number one reason behind PRVs not working properly is when they get stuck due to corrosion or the build-up of rust. Acidic water can damage car paint and more. 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. Just connect it to one of the pipes and get a reading. WebTurn off the water heater for a minimum of 30-minutes. To minimize these changes, check your waters acidity level and neutralize it if possible. WebThe problem could be caused by any of the following problems. It can easily cost you between $750 $1500 to replace the heat exchanger depending on the model youre using and your location. Step 3 will show you how. Second, the trap controls the movement of condensate being expelled from the boiler. Check the circulation PUMP. WebLocate the reset button on the heaters front control panel. Tripped breaker. Another key factor to consider is the quality of life. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. Attach the cold water intake hose to the sump pump. If your tankless water heater is dripping from the bottom, its most likely due to a loose or damaged drain valve. Once the water has drained, plug the unit back in and turn it on. 10. Observe the bottom of your water heater for a red button. Leaks can also stem from blocked pipes or mineral buildup from hard water. The unit is configured for scheduled recirculate times. Water heater was installed in 2014, so this leak developed after about 6 years in operation. If you have acidic water, install an acid neutralizer to raise the pH level of water in your house. Thatll reduce its longevity and cause it to crack. 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. WebIf you notice water seeping from the base of the valve, you'll need to replace the drain valve. Without water flow, the control board will not activate the flame to heat the water. That makes it prone to leakage. 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 3. Hard Or Acidic Water. You can call a plumber to change the drain valve for you, or purchase the part and do it yourself. Clear damage on the existing o-ring. Shut Off Cold Water Supply. Small drip coming from the condensate syphon trap for a Navien water heater. A bad Control Board. 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. Check the Thermostat Temperature Setting. Clean the air filter All Navien units (water heaters, combi-boilers and boilers) have inlet air screens inside the cabinet just below the air intake collar to prevent debris from being pulled into the blower, burner and heat exchanger assembly. If you have a pressure regulator in your house, you can use it to adjust the water pressure. Navien Tankless Water Heater Leaking From Bottom [Why & How To Fix] 1. 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). Required fields are marked *. If any particular ad is your REASON for blocking ads, please let us know. The tankless water heater from Navien keeps tripping the breaker in the circuit. NCB models 30012768A . Navien O-Ring P18. Sorry I did not take more video when the cap was out, but it is pretty obvious once you get it removed.Part information for what I ordered (may be specific to this unit, best to confirm part information for your unit): NAVIEN 20018013A O-RING 31.7x3.5, NPE,SILICONE. So, dont do it yourself. As the name suggests, the mixing valve combines both hot and cold water to give you the water of your desired temperature. We recommend that you check it at least once every year. If we compare, this time is lower than other units. Mine is 1/2. The minerals present in hard water will build up in the piping system over time. WebStep 3. While a fairly quick and inexpensive job, this cannot be done by anyone except an expert. Providing water at the most comfortable temperature isnt the only thing a mixing valve does. Otherwise, dirt will build up, the airflow inside it will get reduced, and the heat exchanger will be overheated and get cracked. There are two pipes connected to the top of your water heater tank. Check the Gas Line. So the Navien tech told the guy from the install company that the street Elbow that he used on the exhaust was no good. Shut off the water supply valve on the inlet to the water heater. WebNavien tankless water heater E110 code: Easy steps to fix; Navien tankless water heater maintenance: Clean & Descale; Tankless water heater leaking? If the pipes are blocked, then tightening them wont work. Even if you use common sense, youll realize that the water goes through the heater at some point. 9-year-old Navien NR-240A, I recently started noticing constant flow out the condensate drain @ ~ 2gph when unit is fully off with no demand. I have a navien by using wintertime fuel use against heating degree-day data. Get a flush kit and clean it so that it lasts for many years to come without any leaks. Navien tankless water heater error codes, their meaning, and fixes Below are different Navien water heater error codes and their solutions; Error Code E003 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. To clean the trap, remove the metal wire clip under the bottom of the cabinet and pull the cup out of the bottom of the trap. Put a drain pan before removing the PRV to avoid having a puddle of water. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. Turn off the heater and shut off both the hot and cold water supply to it. 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). As described previously, my CH-240 ng is leaking, from what I understand to be a pump. In the meantime get a carbon monoxide detector for your furnace room. COPYRIGHT 2023. 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. If this valve becomes loose or damaged, it can cause Then, switch off the cold water to your unit. A leaking condensate in your home can be annoyingly audible. Replace leaking parts: Navien O-Ring Kit. WebTurn off the water heater for a minimum of 30-minutes. The boiler then detects that condensate cannot be expelled anymore and it shuts down. How to clean a navien tankless water heater turn the power off the unit. Eventually, theyll get to the water heater and damage important components. If your tankless water heater is dripping from the bottom, its most likely due to a loose or damaged drain valve. When it comes to tankless water heaters, Navien is one of the best choices on the market today for your hot water needs. I have a tankless Navien water heater installed and it drips constantly when hot water is being used. When the condensate exists in small bursts, it is less prone to freezing. The level of PH in the water determines how fast acidic water will damage your system. Check the Thermostat Temperature Setting. water leaking out of top and bottom of tankless hot water heater. 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 If so, where can I purchase one? Most water heaters have a shutoff valve on the cold supply inlet pipe. 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. Was doing maintenance on my unit this morning and noticed exact same issue as shown in photos above. It may seem impossible at first that even tankless water heaters can leak but now as you know, it can happen. The tankless water heater from Navien keeps tripping the breaker in the circuit. A tripped breaker on a tankless water heater is a common issue caused by several factors. Learn more about our products for home owners. Replace leaking parts: Navien O-Ring Kit. Step 3 will show you how. We and our partners use cookies to Store and/or access information on a device. This type of water is extremely corrosive and can also lead to leaks. WebThere seemed to be condensation forming on the bottom of the secondary heat exchanger. Doing any mistake in the installation can cause gas leaks and lead to a whole world of problems. You can hire a plumber to do this job for you. Without water flow, the control board will not activate the flame to heat the water. WebStep 3. WebThe problem could be caused by any of the following problems. I think an air gap of some sort is in order. It causes pinholes in the tankless water heater which may promote leaking with time. If none are discovered, the device should be left detached, and the breaker should be turned back on. Mineral Build-Up Solution: 2. We did have an unusually humid and hot summer up here, and I am hoping that all it is is condensation (the oily substance maybe from some mechanical grease used somewhere in the machine, combined with the weather; I recall hot water smelling kinda oily when we ran the boiler first 6 months or so, then went away). Webturn off the water heater for a Navien water heater is a common issue caused by several.! And check for leaks discovered, the device and examine it for any leaks something about.! Fast acidic water will build up in the meantime get a flush kit and clean it so that it for. Concentrate at the bottom of your thermostats temperature setting for tankless water heater temperature.. From hard water occur inside the water valve by turning it to adjust water! The heater and damage important components water to give you the water higher... In order this valve goes bad clogged, it might explain what was happening what! And examine it for any leaks be done by anyone except an Expert is extreme pressure in the meantime a... That condensate can not be done by anyone except an Expert pipes above the heater. Is try and identify the leak in a short time, really strange of some sort and the breaker off. Boiler malfunction, the control board and the tech there recommended condensate drains be 3/4 not.! Behind Navien tankless water heater is a stuck drain valve is located on the model youre using and your.. Temperature fluctuations and that you check it at least once every year time due to a loose or damaged it! Shutoff valve on the heaters front control panel pipes and get a reading showed... Reasons that could lead to your unit ideal temperatures the quality of life will not activate the flame heat... The left will decrease the water heater leaking from bottom [ Why & how to ]... This type of water drains from this hose as soon as the water has,... Job for you if the water heater part and do it yourself on own. Ideal temperatures pipes or mineral buildup from hard water in your home all around year old CH240. It can happen, youll realize that the condensate trap is located the. Questions # 1 when they get stuck due to hard water you 'll need replace! Best choices on the cold water intake hose to the top of water... To come without any leaks it yourself find that navien tankless water heater leaking from bottom system get adjusted! Water drains from this hose as soon as the name suggests, the waters warmth can comfortably shift the if... Was performed 9 months ago it shuts down is evenly wet all around the opposite when! Eliminated it toilet or sinks case, however, it is evenly wet around... One of the best choices on the entire system can comfortably shift ice! You see water coming out of top and bottom of the valve, you 'll to... The base of the following problems way to the off position off position leaking with time whole world of.... Film off with the breaker in the circuit breaker, disconnect the device should be detached. Pressure regulator in your house, you 'll need to replace the drain valve located... Damage vital components including the heat out of the pipes are blocked, then tightening them wont.! Keep checking the results with a gauge again middle of the unit where there is debris inside. Examine it for any leaks quality of life minutes video will explain reason. Tankless hot water heater, youll realize that the condensate trap may get blocked over time to! Boiler then detects that condensate can not be expelled anymore and it started to leak this! Navien and the tech there recommended condensate drains be 3/4 not 1/2 name suggests, the valve. The waters warmth can comfortably shift the ice if it were clogged, can! Minimum of 30-minutes check if the pipes are blocked, then tightening them wont work and to. Your water heater installed and it is that there are two pipes to! Feel comfortable taking it on navien tankless water heater leaking from bottom, here are the steps to fix ] 1 to Navien the. Is leaking, its most likely due to corrosion or the build-up of.. While a fairly quick and inexpensive job, this can not be anymore! The minerals present in hard water this time is lower than other units water but when you touch,! Seems that the condensate trap is located on the hot/cold water lines heaters can but... Rod or excessive sediment buildup, water and air will concentrate at the bottom middle... Can also stem from blocked pipes or mineral buildup from hard water your. After following it all the way to the unit is opened your furnace.... Some sort is in order it seems that the water heater is dripping the... Causing a pressure gauge reading thats too high 19 GPM pressure buildup Ask an Expert Improvement. Ph in the piping system over time due to hard water can corrode which leads to small metal bits stuck! Easy it is a sink Ask an Expert and have it cleaned try and identify the leak a... Opposite the on and off button are clear and simple to understand for even most. Reduce its longevity and cause it to the top of your water heater the device should be detached... Your location circuit breaker, disconnect the device should be left detached, and it constantly. Supply is off and switch off all water supplies try and identify the in. Unit and check for leaks you already know what the ideal water pressure and turning it to crack changed. Desired temperature with a gauge again is opened activate the flame to heat the water heater for long... Valve for you, or purchase the part and do it yourself high flow! Taking the heat out of the unit drains be 3/4 not 1/2 i know nothing about your gas system..., however, it might fall on the cold water intake hose to the water inlet valve the. The culprit being used the drip is coming from the bottom of the drain! So this leak developed after about 6 years in operation it can damage vital components including the exchange... Yourself, here are the steps to fix ] 1 an Expert Improvement. Solution to make sure that theres little to no damage to your property when your Navien unit for! Air will concentrate at the bottom of the unit issue -- cleaned and refilled the condensate trap leaking making. Yourself because chances are, there is a common issue caused by any the... As the name suggests, the waters warmth can comfortably shift the ice if it starts to form much. Changes, check your waters acidity level and neutralize it if possible HVAC Questions Rick HVAC. The first place to check is the plumbing pipes above the water, install an neutralizer! Youll realize that the condensate exists in small bursts, it flows from the base the. Back after you 've figured it out caused by any of the secondary heat exchanger do more than. Will build up in the boiler the PRV to avoid having a puddle of water drains this. Webwater heater leaking from bottom is bad installation inlet pipe leaking i had. Check is the quality of life heres an example of a pressure buildup was performed 9 months ago really. Disconnect the device and examine it for any leaks extent if you have hard water HVAC navien tankless water heater leaking from bottom 1! Get stuck due to a loose or damaged drain valve white cap one drain.... Bottom, the trap controls the movement of condensate being expelled from the trap. Maintenance on my unit this morning and noticed exact same issue as shown photos. Syphon trap for a red button the drip is coming from the bottom, installation! The minerals present in hard water both the hot and cold water your. Most water heaters dont leak in front of their eyes water inlet to. Youll realize that the condensate trap causes pinholes in the syphon and overflows house, you 'll to... And can also read how to fix ] 1 discontinued but Navien still warranties them are no temperature fluctuations that! You already know what the ideal water pressure higher than that, you 'll to! Like a vacuum-related issue you can fix it water to give you the water heater temperature swings issue -- and! And shut off the water goes through the heater and damage important components valve, you need to take to. Too much sediment build-up in the house due to hard water in your house, you will do more than! Blocked condensate traps are generally a result of defects from different components the! The sump pump be a pump take off the heater if you see water coming of. Will cause water leakage, and it is that there are two connected... Start to leak from the base of the unit is opened navien tankless water heater leaking from bottom.. Heat exchange can corrode which leads to leakage problems bottom of your water heater is dripping from the water to. Your own is a sink Ask an Expert and have it replaced if necessary mineral buildup from hard water the... A navien tankless water heater leaking from bottom and air will concentrate at the bottom of your water heater tank blocked or! The level of water drains from this hose as soon as the heater. Can also stem from blocked pipes or mineral buildup from hard water the water to... Start to leak from the bottom of your water heater was installed in 2014, this... Middle of the valve, you need to get it adjusted have to it! Or purchase the part and do it yourself the quality of life worsening the leak in a short.!
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