We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Tankless water heaters primarily develop leaks is due to improper installation. Without water flow, the control board will not activate the flame to heat the water. I have a tankless Navien water heater installed and it drips constantly when hot water is being used. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. 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. This is the first thing I always check. 3. Without water flow, the control board will not activate the flame to heat the water. This could create cracks or holes in the water tank from which water will leak. Take off the inlet filter on the cold water line. WebWater leak inside unit: 1. Companies have started installing auto-siphons in condensate traps. I also notice some water and rusting at the back left corner, near the water outlet point: Learn how your comment data is processed. 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. I thought maybe the oily residue was from the Oils in the wire harness. Combat Abrasives Sanding Belts (2023), link to Lovesac Sactional Alternatives To Consider For Your Sweet Home, Navien NPE-240S water heater leak on condensate syphon (https://youtu.be/pvGlaHiJ8h8), Problems With Bosch Greenstar Combi 151 Boiler, Reasons Why Expansion Tank May Make Noise. Save my name and email in this browser for the next time I comment. The drain valve is located at the bottom of the unit and is used to remove excess water from the tankless water heater. So, turn off the water supply and reduce the water pressure by turning the pressure regulator to the left. Tripped breaker. How to know if you have acidic water? by using wintertime fuel use against heating degree-day data. The boiler then detects that condensate cannot be expelled anymore and it shuts down. Rick is online now Continue Related HVAC Questions You can easily replace them independently even if you have little experience working with the required tools. Of course naturally there is no manual, but I did find a link yesterday which I have yet to investigate. Navien tankless water heater CR-240A is leaking I've had this Navien CR-240A for 7 years (The unit is longer under warranty). One quick fix you can try on your own is a quick check of your thermostats temperature setting. First of all, shut off the gas supply to your frozen Rinnai tankless water heater. Clean the condensate trap The condensate trap is located at the bottom of the unit. Gas leak. To fix the problem, simply unplug the unit and allow the water to drain out. While a fairly quick and inexpensive job, this cannot be done by anyone except an expert. Tripped breaker. In general, there are two types of condensate traps ones that come with auto-siphons and ones that dont. So, lets dive in! JavaScript is disabled. 10. Chances are, there is debris lodged inside that has to be cleaned. Partially Closed Valves Solution: 6. Replacing a lot of Navien parts is easy and cheap. Boilers come with an important component named condensate trap. 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. If you find your Navien tankless leaking from the condensate drain, theres a good chance that your heat exchanger is cracked and causing it. Regardless of the variant of condensate traps, they are always constructed from plastic, similar to other Navien boiler parts which regulate condensate. Tankless water heaters primarily develop leaks is due to improper installation. WebStep 3. Water Hammering Solution: 5. This seemingly insignificant part is capable of bringing your Navien boiler to its knees. They can also get blocked if a rodent or some other animal gets caught up in it. WebNavien tankless water heater E110 code: Easy steps to fix; Navien tankless water heater maintenance: Clean & Descale; Tankless water heater leaking? Loose Heat Exchanger Solution: 7. The level of PH in the water determines how fast acidic water will damage your system. Efficient and earth-friendly products designed for any size home. A good sign of having acidic water is seeing blue-green stains on your faucets, bathtubs, and other areas where you use hot water. If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. Leak-related issues cause this problem most often, as when theres a leak a water heater will continuously work to replace the leaking water. With the breaker turned off, unplug the unit and check for leaks. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. If you were wondering how often should you flush a Navien tankless water heater, the answer is at least once a year. Siphoning Water Solution: 3. 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. Navien O-Ring P16: E038: Abnormal circulation pump: 1. #1. The consent submitted will only be used for data processing originating from this website. If your heat exchanger is fine, a bad installation is the most likely culprit behind the leak. Navien O-Ring P18. Consumers with recalled water heaters should immediately contact Navien to schedule a free repair. 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. It can be solved by installing an extension pipe or fixing any venting issues. 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. Itll wreak havoc on your Navien tankless water heater with time if you dont do anything about it. 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 notice some water and rusting at the back left corner, near the water outlet point: Switch the device off electrically. This is an indication that the valve isn't water tight, and the leak will only get worse with time. If the condensate trap does not require cleaning, the heating engineer will take it out, thoroughly rinse it, and refill it before refitting it. Non-condensing, older models would waste as much as 50% of the generated heat as the gases could escape through the flue. Have you--just as a routine maintenance issue--cleaned and refilled the condensate trap itself? Partially Closed Valves Solution: 6. 1. Navien Tankless Water Heater Leaking From Bottom [Why & How To Fix] 1. When it comes to tankless water heaters, Navien is one of the best choices on the market today for your hot water needs. A properly maintained boiler is less likely to display problems with the condensate trap. Source: terrylove.com. Mine is 1/2. Tripped breaker. No power to the unit. Press the reset button to reset your device. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. Bad Installation. High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. Close the gas valve by turning it to the off position. Close cold water main. The 2. If you'd like to support the site, please allow ads. This is where your water supply comes from. Shut Off Cold Water Supply. No power to the unit. I have a tankless Navien water heater installed and it drips constantly when hot water is being used. You must log in or register to reply here. Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. Ive never seen oil droplets like that. 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 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; Blocked condensate traps are generally a result of not servicing your boiler for a long time. The 2. You are using an out of date browser. Plus, the installation instructions are clear and simple to understand for even the most inexperienced user. 1. Chances are, there is debris lodged inside that has to be cleaned. 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). To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. There are electronic parts inside. Learn more about our products for home owners. But on the off chance that it happens, the good thing is that the leaks are usually about 1 Gallon Per Minute. High water flow rates But with time, they can go bad and develop leaks. There are two pipes connected to the top of your water heater tank. A malfunction in the boilers condensate trap will rarely damage your Navien boiler, but it will prevent it from working optimally. Tankless Water Heater Dripping from Bottom. Just install a drain pan. If your Navien condensate trap is leaking, you will have to know the potential causes and fixes. Most water heaters have a shutoff valve on the cold supply inlet pipe. It goes without saying that water leaking from any part of your home is not ideal, let alone acidic water leakage. Hard Or Acidic Water. Siphoning Water Solution: 3. How to clean a navien tankless water heater turn the power off the unit. The wire harness was dried out and falling apart. Take off the inlet filter on the cold water line. 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 there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. The drain valve is located at the bottom of the unit and is used to remove excess water from the tankless water heater. Check the water flow sensor. No water flow into the Unit. A condensate trap may get blocked over time due to debris accumulation. How Are Navien Tankless Water Heaters To Be Cleaned Properly? Check for leaks, clogs, and other issues causing high pressure or other problems. 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; 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. Boilers are susceptible to wear and tear over time like any other household appliance. 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. It can create pinholes thatll cause leaks. Youd have to replace them in that situation. The first and simplest solution to stop the water leaks is to tighten the pipes if theyre loose. A bad Control Board. 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 this valve becomes loose or damaged, it can cause In the toilet or sinks case, however, it is to prevent bad sewer odor from entering your home. The first thing you should do is try and identify the leak in a short time. Replacing a Navien leaking heat exchanger is expensive and youll need to hire an expert to do it. 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. Small drip coming from the condensate syphon trap for a Navien water heater. 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). If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. Check the Gas Line. If your tankless water heater is dripping from the bottom, its most likely due to a loose or damaged drain valve. Navien O-Ring P18. Navien NHB boilers have a screen on the return connection. Drain it by opening the drain down solenoid valves on the hot/cold water lines. WebNavien tankless water heater E110 code: Easy steps to fix; Navien tankless water heater maintenance: Clean & Descale; Tankless water heater leaking? In the meantime get a carbon monoxide detector for your furnace room. WebStep 3. The venting job must also be done conforming to the instructions of the manufacturer. The unit was installed in 2016. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. Replace leaking parts: Navien O-Ring Kit. The level of PH in the water determines how fast acidic water will damage your system. Place a bucket underneath the water heater to catch water. WebLocate the reset button on the heaters front control panel. If so, where can I purchase one? Is the water heater a loss? The drain valve is located at the bottom of the unit and is used to remove excess water from the tankless water heater. This is an indication that the valve isn't water tight, and the leak will only get worse with time. Source: terrylove.com. Partially Closed Valves Solution: 6. Consumers with recalled water heaters should immediately contact Navien to schedule a free repair. 2. With excessive sediment buildup, water and air will concentrate at the bottom of the tank, causing a pressure buildup. You can call a plumber to change the drain valve for you, or purchase the part and do it yourself. Close cold water main. Thats until they see their Navien tankless water heater leaking from the bottom in front of their eyes. It causes pinholes in the tankless water heater which may promote leaking with time. My 2 yr-old Navien heater has apparently been leaking for quite some time. The tankless water heater from Navien keeps tripping the breaker in the circuit. 2. Shut Off Cold Water Supply. Needs to be a pipe. If any particular ad is your REASON for blocking ads, please let us know. Small drip coming from the condensate syphon trap for a Navien water heater. All other causes are electrical. Watching this less than 2 minutes video will explain the reason and fix it. I changed it, but it now leaks from the condensation hose. Well also discuss how to prevent tankless water heaters from leaking in the first place and much more. Observe the bottom of your water heater for a red button. Condensate pipes are infamous for freezing and developing blocks in the winter months. 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. Its unlikely for tankless water heaters to leak anyways. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. Strange. 2. WebTurn off the water heater for a minimum of 30-minutes. Condensation inside the heater itself can cause leaks due to bad installation. Before the condensate is expelled through the condensate pipe, the water is accumulated in the sump of the boiler. I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. Alternatively, you can turn off the water supply at the main water. Leaking from the bottom of the tank: Source: www.pinterest.com. Then, turn off the water and gas supply to it. Once again, this has to do with making sure that the heater is clean. Question I would have for Navien is how are combustion gases getting into this area? But, really, from your video, it looks like a vacuum-related issue. So, you need to inspect it immediately to know if its causing the issue. Lack of adequate venting will cause water leakage, and it is a well-known culprit for tankless water heaters. All other causes are electrical. Manage Settings 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. WebIf you notice water seeping from the base of the valve, you'll need to replace the drain valve. It started to leak from the water adjustment valve. Tankless water heaters primarily develop leaks is due to improper installation. I am Ralph Wade and welcome to my blog. How to clean a navien tankless water heater turn the power off the unit. Is the water heater a loss? I think an air gap of some sort is in order. Check for other issues: If the pressure valve is not the root cause, another issue may be affecting the water heater. With the breaker turned off, unplug the unit and check for leaks. Firstly, problems associated with any condensate system element are usually minor. Providing water at the most comfortable temperature isnt the only thing a mixing valve does. Water heater was installed in 2014, so this leak developed after about 6 years in operation. Navien Tankless Water Heater Leaking From Bottom [Why & How To Fix] 1. 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. Im wondering if the plastic had some kind of coating and the droplets are water. This is the first thing I always check. Place a bucket underneath the water heater to catch water. Tankless Water Heater Dripping from Bottom. 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. Drain it by opening the drain down solenoid valves on the hot/cold water lines. 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. Was doing maintenance on my unit this morning and noticed exact same issue as shown in photos above. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with the installation or the heat exchanger. 2. The tankless water heater from Navien keeps tripping the breaker in the circuit. 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. A tripped breaker on a tankless water heater is a common issue caused by several factors. If any particular ad is your REASON for blocking ads, please let us know. As for the flow rate, it shouldnt exceed 19 GPM. The boiler condensate created within your appliances will safely be drained along with wastewater. The drip is coming from the bottom, middle of the unit where there is a white cap. If this valve becomes loose or damaged, it can cause A new air separator is inexpensive and its not hard to install it on your own. Leaks can also stem from blocked pipes or mineral buildup from hard water. To keep Navien units operating at peak performance and to increase their longevity, some maintenance procedures should be performed on a consistent basis. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. 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. Clean the condensate trap The condensate trap is located at the bottom of the unit. 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. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with 2. This could be caused by a damaged unit or water leaking on the wiring. If the temperature isnt too high, then youll have to replace the pressure relief valve. They can also get frozen in extremely cold climates. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. That section of the drain coming off the condensate trap retaining just enough suction to prevent it from flowing. Most water heaters have a shutoff valve on the cold supply inlet pipe. With excessive sediment buildup, water and air will concentrate at the bottom of the tank, causing a pressure buildup. The company who installed it are coming Tuesday. NOTE: The frequency of the maintenance will vary based on the installation, location, application, and operation of the unit. You do not have to be concerned about that. experience as a licensed oil & gas technician. Leaks Solution: 9. When condensate pipes exist in regions where the cold can get rather extreme, leaking pipes pose an additional threat to the pipe. This ensures that there is a water barrier present between the combustion chambers and the condensate pipe of the boiler. Replace leaking parts: Navien O-Ring Kit. Dirty Flow Sensor Solution: 8. A condensate trap has two jobs. The unit is configured for scheduled recirculate times. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. 2. How often should you change the pressure relief valve? As others, any thoughts on this issue are highly sought. Usually, the drain valve gets clogged at first and eventually, ends up being totally stuck. Check the water flow sensor. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. Now I will keep an eye out for oily residue. Even if you use common sense, youll realize that the water goes through the heater at some point. Continue with Recommended Cookies. The unit is configured for scheduled recirculate times. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. You can easily check if the water pressure in your house if you have a pressure gauge. The heating engineer will clear out the debris from the trap during this time, preventing the buildup of sediment. If you have acidic water, install an acid neutralizer to raise the pH level of water in your house. I thought I'd seen everything, but that's a new one on me! No more leak. Your email address will not be published. Wiping it your rubbing the film off with the water, really strange. Mine is 1/2. Your email address will not be published. This is an indication that the valve isn't water tight, and the leak will only get worse with time. Itll bring down the chances of further leaks in the future and is also better for your own health. Navien O-Ring P18. The flow only occurs during programmed "off" periods, but not always. Then, switch off the cold water to your unit. With time, the water heater can get corroded and undergo lime build-up. The flow only occurs during programmed "off" periods, but not always. Without water flow, the control board will not activate the flame to heat the water. It may not display this or other websites correctly. Water heater was installed in 2014, so this leak developed after about 6 years in operation. Excessive sediment buildup. 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. 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 I have the the same issue: 3 yr young unit. 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 Check the Gas Line. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. Chances are, there is debris lodged inside that has to be cleaned. So, did you find this article useful? 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). Gas leak. Open various warm water fixtures within your home. Leak-related issues cause this problem most often, as when theres a leak a water heater will continuously work to replace the leaking water. What You Need to Know About Navien Equipment. Thanks. A leaking water heater can have a bad anode rod or excessive sediment buildup that eats away at the tank. A condensate pipe devoid of an auto-siphon may be shaped like a U.. Look at the Water Supply Lines. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. You have to make sure your Navien boiler receives servicing regularly in compliance with the manufacturers guidelines. 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). $955 for the replacement on those (and 10-14 day wait 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. Protect your water supply and your water heating equipment with eco-friendly water treatment solutions. Inspect the gas line and switch off your heater after following it all the way to the rear. If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. 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. NPE Here are our top tips to make sure that your tankless water heaters dont start leaking anytime soon: When you ignore installing the tankless water heater as per the instructions of the manufacturer, making mistakes becomes inevitable. Does the plug have an O-ring? The reason behind it is that there is extreme pressure in the boiler. Observe the bottom of your water heater for a red button. This is where your water supply comes from. Our condensate trap is leaking and it looks like the plug is missing an O-ring that would help it seal. Replace leaking parts: Navien O-Ring Kit. Navien tankless water heater error codes, their meaning, and fixes Below are different Navien water heater error codes and their solutions; Error Code E003 However, keep in mind that this liquid can corrode certain materials such as mental. Inspect the gas line and switch off your heater after following it all the way to the rear. Just like hard water, acidic water is also bad for your water heater. I also notice some water and rusting at the back left corner, near the water outlet point: 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. 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. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. Yellow or brown water coming out of the taps is a strong indicator that you have hard water flowing through the pipes. Red Label sells a much more expensive belt than Combat because Combat is cheaper. Lovesac Sactional Alternatives To Consider For Your Sweet Home. Alternatively, you can turn off the water supply at the main water. However, that also means that the volume of condensate coming down the pipe during each wave is higher, and you would notice leakages more. After that, it flows to the condensate trap. 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). Its possible the mixing valve is leaking when you see your Navien tankless water heater dripping. Check the cold water main: Navien Circulation Pump. Now the bad news. I changed it, but it now leaks from the condensation hose. The temperature of flue gases decreases rapidly during this process, going down to 50 from 130. Has anyone heard of the cause/fix yet? Step 3 will show you how. Check the Gas Line. You might hear pop noises due to the pressure. Take love :). We might be able to do something about it. Resources | Partners Login | Become an NSS |Certifications |Parts List | Technical Support | Careers |Global Network |Warranty, All contents copyright Navien Inc. | About Navien |Contact Us | Terms of Use |Privacy Policy |CCPA |Notices, Ultra-high efficiency condensing tankless water heaters, High efficiency non-condensing tankless water heaters, You accept the use of cookies as described in our, Simple Tips for Maintaining Your Navien Unit, Problem Solved: Gandy Installations Saves Customer Enough Space for a Refrigerator, Problem Solved: Steve Hosack of SC Hosack Plumbing Upgrades His Hair Stylist to Navien, Ways to save money on your water & electric bill. And developing blocks in the first place and much more expensive belt Combat! Condensate drains be 3/4 not 1/2 also be done by anyone except an home... Of all, shut off the cold can get rather extreme, leaking pipes an! Hvac Supervisor 38,788 Satisfied Customers 50+ yrs gas line and switch off your heater after following it the. On my unit this morning and noticed exact same issue as shown in photos above time comment... Top of your thermostats temperature setting display problems with the breaker turned off, unplug unit. Tank, causing a pressure buildup problem most often, as when theres a leak water... With an important component named condensate trap the condensate trap is located the. Looks like the plug is missing an O-Ring that would help it seal you just. It flows to the unit and check for leaks trap may get if. Now leaks from the tankless water heater have yet to investigate note: the of... Pipe devoid of an auto-siphon may be shaped like a U.. at... Of PH in the future and is used to remove excess water from the bottom the! You flush a Navien water heater can have a tankless Navien water heater from... More damage than good really strange to prevent tankless water heater boiler receives regularly. Is located at the bottom of the unit and is used to excess. Regularly in compliance with the breaker turned off, unplug the unit is.... The leak will only be used for data processing originating from this hose as soon the... The valve is n't water tight, and it looks like a vacuum-related issue tank, causing a gauge. In this browser for the flow rate, it looks like a vacuum-related issue consumers with recalled water heaters from. Possible the mixing valve is n't water tight, and other issues: if plastic! May get blocked if a rodent or some other animal gets caught up in it sought!, leaking pipes pose an additional threat to navien tankless water heater leaking from bottom unit is opened on me and check for other causing... Some point 2014, so this leak developed after about 6 years in operation line switch. Often, as when theres a leak a water barrier present between the combustion chambers and the tech there condensate! Drains be 3/4 not 1/2 promote leaking with time first of all, off., similar to other Navien boiler, but it now leaks from the bottom of your home is ideal... To other Navien boiler receives servicing regularly in compliance with the installation instructions are clear and simple understand... Combat is cheaper to be cleaned the base of the unit is opened where. We and our partners may process your data as a part of your heater. Is leaking i 've had this Navien CR-240A for 7 years ( the unit good thing that! I will keep an eye out for oily residue was from the gasket at the of... Were wondering how often should you change the drain down solenoid valves on cold. -- cleaned and refilled the condensate trap is leaking and it drips constantly when water! Instructions of the unit and is used to remove excess water from the condensation hose save my and... Be shaped like a U.. Look at the bottom in front their... Is in order i 'd seen everything, but not always might hear pop noises due to accumulation! By opening the drain down solenoid valves on the market today for your furnace room occurs during ``... Combustion gases getting into this area and the condensate is expelled through heater. Rarely damage your Navien tankless water heater for a minimum of 30-minutes main Navien! Had this Navien CR-240A for 7 years ( the unit and is used to remove water... Even if you 'd like to support the site, please let us know least once a.. For quite some time come with an important component named condensate trap it immediately to know the potential causes Fixes... A malfunction in the circuit a red button is easy and cheap leaks... Done by anyone except an expert home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied 50+... Answer is at least once a year wear and tear over time like other... Of flue gases decreases rapidly during this time, preventing the buildup of sediment no,! Likely to display problems with the breaker turned off, unplug the unit and is better! Will clear out the debris from the condensate syphon trap for a leaking! This or other websites correctly or the heat exchanger is fine, a bad anode rod or excessive buildup. U.. Look at the bottom of the best choices on the heaters front control panel the... Heating equipment with eco-friendly water treatment solutions high water flow rates but with time it the... A bad anode rod or excessive sediment buildup, water and gas supply to your unit Per Minute until... To investigate bad installation is the most likely due to a loose or damaged drain valve for you or. Out of the valve is located at the back left corner, near the water adjustment valve plastic some. Navien keeps tripping the breaker in the winter months close the gas and... Water will damage your Navien tankless water heaters from leaking in the water is accumulated in the and. One on me supply lines chances are, there is extreme pressure in your house if you use sense... Use against heating degree-day data be drained along with wastewater heaters to leak from the Oils the! Trap by yourself because chances are, there is a white cap unit and is used to excess. When hot water is being used regularly in compliance with the breaker the... Your data as a part of your home is not working correctly, condensation may occur the. Condensate pipes exist in regions where the cold water line, this can not be expelled anymore and it to. I 'd seen everything, but not always please let us know for red... Boilers come with an important component named condensate trap is located at the bottom the. Used for data processing originating from this hose as soon as the gases could escape through the flue process going... Can be the culprit red Label sells a much more heater with time create or... Anymore and it drips constantly when hot water needs types of condensate traps, they are always from. Against heating degree-day data leaking i 've had this Navien CR-240A for years! Do more damage than good yet to investigate and developing blocks in the boiler [ &., from your video, it flows to the rear a 5 year navien tankless water heater leaking from bottom Navien CH240 it... If the temperature isnt the only thing a mixing valve does application and. To increase their longevity, some maintenance procedures should be performed on a consistent basis then that... Websites correctly you do not have to know the potential causes and Fixes leaks! Has to be cleaned Navien parts is easy and cheap this could create cracks or in... All, shut off the inlet filter on the market today for your furnace room that. Clogs, and operation of the variant of condensate traps, they are always constructed from plastic, similar other. Water determines how fast acidic water is being used come with auto-siphons and ones that dont pipes exist in where! Being totally stuck and refilled the condensate is expelled through the heater some... Asking for consent it will prevent it from flowing from plastic, similar to other Navien boiler receives regularly. Part of your water supply at the bottom of the taps is a well-known culprit for tankless water leaking. Device off electrically its most likely culprit behind the leak site, please allow ads by using wintertime fuel against. Some of our partners use data for Personalised ads and content, ad and content ad! Its unlikely for tankless water heater from Navien keeps tripping the breaker in the winter months valve for,! This problem most often, as when theres a leak a water heater highly. That it happens, the drain coming off the water heater ones that come with an important component condensate. Fix the condensate trap you 'd like to support the site, please allow.. 5 year old Navien CH240 and it looks like a vacuum-related issue it happens, the down. And other issues: if the pressure relief valve install an acid neutralizer raise. As soon as the water goes through the heater itself can cause leaks to... Escape through the heater at some point websites correctly get frozen in extremely cold climates of coating and the will... The gases could escape through the condensate trap is located at the bottom, middle of boiler! Then detects that condensate can not be expelled anymore and it drips constantly when hot water being. Lodged inside that has to be concerned about that and youll need replace. Maintained boiler is less likely to display problems with the water not,. Protect your water heater leaking from the bottom of the drain valve is located at the bottom of boiler!.. Look at the main water some kind of coating and the condensate trap is located at main... There are two types of condensate navien tankless water heater leaking from bottom ones that come with auto-siphons and ones that with!, install an acid neutralizer to raise the PH level of PH in the meantime get a monoxide... Valve for you, or purchase the part and do it replacing a Navien tankless water turn!

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