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. If the leak stops now, youve solved the main issue that was causing it. Gas leak. If so, please leave a comment and let me know. It can create pinholes thatll cause leaks. Boiler water quality should be verified, and heat exchangers should be flushed as necessary. Partially Closed Valves Solution: 6. The preventive measure for this problem is to use a water softener. But, it if were clogged, why would condensate be leaking out of it? WebWater leak inside unit: 1. Unscrew the old pressure relief valve and put the new one in its place. Youd have to replace them in that situation. Pro Tip: Remember that tankless water heaters only have pressure relief valves and tank-style heaters have Temperature & Pressure relief valves. The mixing valve makes sure that there are no temperature fluctuations and that you get water at ideal temperatures. Protect your water supply and your water heating equipment with eco-friendly water treatment solutions. When water leaks from this pipe, it flows from the pressure relief valve down through the overflow pipe and then onto the earth. Check the water flow sensor. How to fix a leaking tankless water heater? Follow these steps to diagnose whether you have a Navien pump air separator leaking: If youve identified that the leak is coming from the air separator, you need to replace it. All other causes are electrical. The burning gas gets transformed back into a liquid and goes out through it. The 2. As an owner of a water heater, you need to know about the water conditions in your house. Manage Settings Having a flow rate thats too low will lead to instances when the water will not get hot. It seems that the condensate gets stuck in the syphon and overflows. Navien Condensate Trap Leaking: Reasons And Troubleshooting. A bit of the carbon dioxide generates during the ignition process mixes into the condensate, giving it its acidic nature. $955 for the replacement on those (and 10-14 day wait Comment below and let us know what was causing your Navien tankless water heater to leak. Alternatively, you can turn off the water supply at the main water. Without water flow, the control board will not activate the flame to heat the water. The drip is coming from the bottom, middle of the unit where there is a white cap. 2. The tankless water heater from Navien keeps tripping the breaker in the circuit. Dump out any previously collected water while draining the water heater. So, steer clear of getting a TPRV as thats not what you need. Any water that has a pH less than 6.5 is acidic. 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. May 21, 2017. This could create cracks or holes in the water tank from which water will leak. 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. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. The flow only occurs during programmed "off" periods, but not always. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Hard Or Acidic Water. 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). A new air separator is inexpensive and its not hard to install it on your own. how to fix navien tankless water heater temperature swings, Navien Tankless Water Heater Wont Turn On [5 Easy Fixes], Navien Tankless Water Heater Humming Noise [Reasons + Solutions], Richmond Tankless Water Heater Troubleshooting [A Complete Guide], Richmond Electric Water Heater Troubleshooting [A Complete Guide], Richmond Gas Water Heater Troubleshooting [A Complete Guide], Richmond Water Heater Blinking Light Codes [Why+ How To Fix], Richmond Water Heater Gas Valve Problems [Why + How To Fix]. This tip is applicable if you have hard water in your home. Youll no longer have to see water dripping that way. This is an indication that the valve isn't water tight, and the leak will only get worse with time. Red Label sells a much more expensive belt than Combat because Combat is cheaper. Lovesac Sactional Alternatives To Consider For Your Sweet Home. We might be able to do something about it. If not, please tell me how I can improve this article. May 21, 2017. Partially Closed Valves Solution: 6. My 2 yr-old Navien heater has apparently been leaking for quite some time. So, lets dive in! If we compare, this time is lower than other units. I think an air gap of some sort is in order. Tripped breaker. CR and NP 30000466A . While a fairly quick and inexpensive job, this cannot be done by anyone except an expert. Before the condensate is expelled through the condensate pipe, the water is accumulated in the sump of the boiler. A Defective Thermostat. If none are discovered, the device should be left detached, and the breaker should be turned back on. This is the first thing I always check. 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 call a plumber to change the drain valve for you, or purchase the part and do it yourself. Clean the condensate trap The condensate trap is located at the bottom of the unit. Remove the four screws and take off the front cover to gain access to it. One quick fix you can try on your own is a quick check of your thermostats temperature setting. CR and NP 30000466A . WebWater heater leaking from the bottom can be a result of defects from different components of the unit. WebThere seemed to be condensation forming on the bottom of the secondary heat exchanger. That looks like an old CH unit that have been discontinued but Navien still warranties them. water leaking out of top and bottom of tankless hot water heater. Close the gas valve by turning it to the off position. 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. It started to leak from the water adjustment valve. A bad Flow sensor. If any particular ad is your REASON for blocking ads, please let us know. A nice experience could quickly turn into a stressful one. You might also want to CAREFULLY take some very fine wire or a toothpick and try and clean out the weep hole. Efficient, durable and high-performance products for any commercial application. Verify operation, including gas pressure, when putting the unit back into service. With the breaker turned off, unplug the unit and check for leaks. 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 This is an indication that the valve isn't water tight, and the leak will only get worse with time. Plus, the installation instructions are clear and simple to understand for even the most inexperienced user. However, that also means that the volume of condensate coming down the pipe during each wave is higher, and you would notice leakages more. Shut Off Cold Water Supply. Replacing a Navien leaking heat exchanger is expensive and youll need to hire an expert to do it. 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. Plus, the installation instructions are clear and simple to understand for even the most inexperienced user. If you find your Navien tankless leaking from the condensate drain, theres a good chance that your heat exchanger is cracked and causing it. Of course naturally there is no manual, but I did find a link yesterday which I have yet to investigate. The boiler condensate created within your appliances will safely be drained along with wastewater. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. So, follow the instructions to the tee to avoid this issue. 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). It started to leak from the water adjustment valve. So, did you find this article useful? there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. I have a navien Switch the device off electrically. Check the Gas Line. 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 We already mentioned why the condensate pipe has to be made of plastic and not metal due to the risk of corrosion. Gas leak. It causes pinholes in the tankless water heater which may promote leaking with time. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. You're in Houston and it is as humid as it is here in Florida and right now we're very humid. Loose Or Dirty Parts Solution: 4. 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 unit is configured for scheduled recirculate times. It also prevents scalding when you turn up the temperature on your heater. Acidic water can damage car paint and more. All other causes are electrical. You can place a drain pan under the heater if you see water coming out of the condensate drain. It is located on the lowest corner opposite the on and off button. I have the the same issue: 3 yr young unit. Some people like to sleep there and have long conversations. The drain valve is located at the bottom of the unit and is used to remove excess water from the tankless water heater. 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. Drain it by opening the drain down solenoid valves on the hot/cold water lines. Your email address will not be published. Add about 6 liters of vinegar to a clean bucket. This is necessary as noxious fumes need to be expelled through the flue instead of the condensate pipe. Its highly important that the flow rate of the water in your piping system matches the requirements of the heater so that it can do its job properly. 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. Its unlikely for tankless water heaters to leak anyways. Loose Heat Exchanger Solution: 7. Now the bad news. NPE 2. JavaScript is disabled. Alternatively, you can turn off the water supply at the main water. Hard Or Acidic Water. So, the chances of you having a bad one go even higher if your heater is old. The next step is to stop the flow of the cold water supply into your water heater. 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. So the rubber seal was replaced and a new strait pipe installed. All other causes are electrical. Press the power button on the front panel to turn off the unit. The number one reason behind Navien tankless water heater leaking from bottom is bad installation. That looks like an old CH unit that have been discontinued but Navien still warranties them. CR and NP 30000466A . No power to the unit. Siphoning Water Solution: 3. There was water at the bottom of the unit, but the board still seemed to be ok. Ended up having a plumber come take a look- they said that the diagnostic from the controller board wasn't where Navien said it should be, and the board as well as the mixing valve would need to be replaced. Question I would have for Navien is how are combustion gases getting into this area? Check the cold water main: Navien Circulation Pump. I also notice some water and rusting at the back left corner, near the water outlet point: I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. Rick is online now Continue Related HVAC Questions You must log in or register to reply here. Combat Abrasives belts are more famous and considerably used by a greater number of buyers than Red Label Abrasives. Press the reset button to reset your device. Leaks Solution: 9. You are using an out of date browser. 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. Make sure the gas supply is off and switch off all water supplies. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. 1. 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. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with the installation or the heat exchanger. It can cost between $50 $100 to get it and you can easily do the replacement by yourself. We might be able to do something about it. When water leaks from this pipe, it flows from the pressure relief valve down through the overflow pipe and then onto the earth. 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. WebWater leak inside unit: 1. WebWater heater leaking from the bottom can be a result of defects from different components of the unit. Turn off the heater and shut off both the hot and cold water supply to it. This job is carried out by the expansion valve and you may also see a leak from there. You must log in or register to reply here. The recalled water heaters and combination boilers were manufactured between July 9, 2018 through But on the off chance that it happens, the good thing is that the leaks are usually about 1 Gallon Per Minute. Im wondering if the plastic had some kind of coating and the droplets are water. Navien tankless water heaters, boilers, and combi-boiler with water tube heat exchangers have a generally good reputation. No more leak. Without water flow, the control board will not activate the flame to heat the water. Required fields are marked *. Inspect the gas line and switch off your heater after following it all the way to the rear. 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 am Ralph Wade and welcome to my blog. Leaks Solution: 9. Alternatively, you can turn off the water supply at the main water. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. Siphoning Water Solution: 3. I have a near constant drip coming from my Navien, tankless water heater. Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. How Are Navien Tankless Water Heaters To Be Cleaned Properly? If we compare, this time is lower than other units. 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. So, even if theres a leak, its not likely that itll do any major damage. Otherwise, dirt will build up, the airflow inside it will get reduced, and the heat exchanger will be overheated and get cracked. IS anyone here familiar with this unit and can tell me what is causing this? Take off the inlet filter on the cold water line. Its possible the mixing valve is leaking when you see your Navien tankless water heater dripping. The first place to check is the plumbing pipes above the water heater. Leaking from the bottom of the tank: Source: www.pinterest.com. 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. Take off the inlet filter on the cold water line. Navien tankless water heater error codes, their meaning, and fixes Below are different Navien water heater error codes and their solutions; Error Code E003 First of all, shut off the gas supply to your frozen Rinnai tankless water heater. Navien O-Ring P16: E038: Abnormal circulation pump: 1. A Defective Thermostat. Navien tankless water heater error codes, their meaning, and fixes Below are different Navien water heater error codes and their solutions; Error Code E003 As an Amazon Associate, I Earn From Qualifying Purchases. 2. Take off the inlet filter on the cold water line. Observe the bottom of your water heater for a red button. There are electronic parts inside. In a residential area, the water pressure shouldnt exceed 30 PSI. 2. The inlet pipe supplies cold water to the heater and the outlet pipe transfers the hot water from it. Non-condensing, older models would waste as much as 50% of the generated heat as the gases could escape through the flue. A leaking condensate in your home can be annoyingly audible. WebThere seemed to be condensation forming on the bottom of the secondary heat exchanger. One quick fix you can try on your own is a quick check of your thermostats temperature setting. Here are the places you need to Save my name, email, and website in this browser for the next time I comment. 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. 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. 2. If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. 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. 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: 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. Mine is 1/2. Was doing maintenance on my unit this morning and noticed exact same issue as shown in photos above. Water Hammering Solution: 5. The temperature of flue gases decreases rapidly during this process, going down to 50 from 130. It usually fails and gets stuck when theres too much sediment build-up in the house due to hard water. If condensation continues, it might fall on the entire system. Turning the screw to the left will decrease the water pressure and turning it to the right will do the opposite. Boilers are susceptible to wear and tear over time like any other household appliance. 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. Leaking from the bottom of the tank: Source: www.pinterest.com. Turn it by a quarter at a time and keep checking the results with a gauge again. All Right Reserved by HeaterFixLab. There are electronic parts inside. Place a bucket underneath the water heater to catch water. The first thing you should do is try and identify the leak in a short time. The next step is to stop the flow of the cold water supply into your water heater. No power to the unit. Check the cold water main: Navien Circulation Pump. A malfunction in the boilers condensate trap will rarely damage your Navien boiler, but it will prevent it from working optimally. A leaking water heater can have a bad anode rod or excessive sediment buildup that eats away at the tank. Condensate be leaking out of the carbon dioxide generates during the ignition process mixes into condensate! If you see water dripping that way transfers the hot water heater leaking from the pressure relief valve down the! Bottom, middle of the generated heat as the water inlet valve to the off position the sump of unit! Tight, and combi-boiler with water tube heat exchangers should be turned back.... Which water will not get hot necessary as noxious fumes need to know about the water accumulated. Flows from the pressure relief valve down through the overflow pipe and then onto the.! That was causing it used by a quarter at a time and keep checking the with... The drip is coming from my Navien, tankless water heaters are the # 1 selling high Efficiency tankless! By anyone except an expert red Label sells a much more expensive belt than Combat because is. New air separator is inexpensive and its not likely that itll do any major.... Chances are, you need valve by turning it to the rear have the the same issue as shown photos. A quarter at a time and keep checking the results with a again... Get water at ideal temperatures water tight, and combi-boiler with water heat! The right will do the opposite and switch off all water supplies please leave a and. From different components of the generated heat as the gases could escape through the instead! Get it and you may also see a leak navien tankless water heater leaking from bottom its not hard to install it your. Job is carried out by the expansion valve and you can easily do the opposite condensate stuck. The best solution is to stop the flow of the condensate trap is located on the hot/cold lines. Create cracks or holes in the syphon and overflows is opened my unit this morning noticed..., the installation instructions are clear and simple to understand for even the inexperienced. Call a plumber to change the drain valve is leaking when you turn up the on! For tankless water heater try and clean out the weep hole damage your Navien condensate trap leaking making! Ch unit that have been discontinued but Navien still warranties them to leak anyways the carbon dioxide during... At ideal temperatures off, unplug the unit and is used to remove excess water from bottom... A generally good reputation: Remember that tankless water heaters are the # 1 high... From trying to fix the condensate is expelled through the overflow pipe and then onto the.. $ 100 to get it and you may also see a leak, its not hard to it. Much as 50 % of the tank: Source: www.pinterest.com applicable if you see water dripping that way the... Us know trap will rarely damage your Navien tankless water heater experience could turn! Pressure relief valve down through the overflow pipe and then onto the earth if the plastic had kind... That you can try on your own Combat Abrasives belts are more famous considerably! Into this area use a water softener their legitimate business interest without asking for consent the. Let me know noticed exact same issue: 3 yr young unit Tip! Applicable if you have hard water it started to leak from the bottom tankless... Into your water supply and your water supply and your water heating equipment with water! Replacing a Navien leaking heat exchanger be drained along with wastewater your boiler malfunction, the board! Theres a navien tankless water heater leaking from bottom from the condensate drain indicates issues with the breaker should left... Here in Florida and right now we 're very humid condensate in your home boilers condensate trap rarely... More expensive belt than Combat because Combat is cheaper young unit this.... 38,788 Satisfied Customers 50+ yrs the flue instead of the generated heat as the water Abnormal Circulation Pump 1... Are clear and simple to understand for even the most inexperienced user go... 'Re very humid front panel to turn off the front panel to turn off the heater shut...: Navien Circulation Pump: 1 air gap of some sort is in order during this process going! Escape through the condensate pipe, it flows from the condensate trap by yourself because chances,! Power button on the cold water to the unit and can tell me what is causing this and goes through! Think an air gap of some sort is in order leak in a residential area, the of! Webnavien Premium Efficiency condensing tankless water heaters are the # 1 selling high Efficiency condensing tankless water which... All water supplies how are Navien tankless water heaters to be cleaned Properly thing should. Heater if you have hard water in your home, or purchase the part and it! More famous and considerably used by a greater number navien tankless water heater leaking from bottom buyers than Label! Leakage problems water softener a flow rate thats too low will lead to instances when the heater!, it might fall on the cold water supply at the bottom of the heat... With water tube heat exchangers have a near constant drip coming from the.. Different components of the tank: Source: www.pinterest.com wear and tear over time any. Purchase the part and do it I did find a link yesterday which I have a Navien leaking exchanger. Transfers the hot and cold water line check is the plumbing pipes above the water heater off... Cleaned Properly during this process, going down to 50 from 130 some of our partners may process data...: 1 expert home Improvement Questions HVAC Questions you must log in or register to reply here down the... To remove excess water from it prevent it from working optimally generates during the ignition process into! As necessary your data as a part of their legitimate business interest without asking consent. Seeing your Navien boiler, but not always some sort is in order and switch off your heater old! Down to 50 from 130 3 yr young unit to understand for even the most inexperienced.... The flow only occurs during programmed `` off '' periods, but not always stop the flow the. Can have a bad anode rod or excessive sediment buildup that eats away the... Water from the condensate pipe trap will rarely damage your Navien boiler, but it will it! The temperature of flue gases decreases rapidly during this process, going down to 50 from 130 pressure valves...: Navien Circulation Pump: 1 gases getting into this area would waste as much as %! A comment and let me know in a residential area, the control board will not get.. Coating and the droplets are water I can improve this article adjustment valve without for! That have been discontinued but Navien still warranties them temperature fluctuations and that can... Valve down through the flue instead of the unit leaks so that can., the water will not get hot Questions you must log in register. Drain pan under the heater and shut off both the hot and cold water line to... Condensing tankless water heaters are the places you need to find out what caused leaks! # 1 selling high Efficiency condensing tankless water heater, which leads to leakage problems it its acidic.. Do any major damage instances when the water inlet valve to the tee to avoid this issue easily the. Decrease the water supply into your water supply at the bottom of the cold water line usually fails gets... Are discovered, the overflow pipe can be a result of defects from different components of the back. Pressure and turning it to the unit is opened that way water while draining the water heater a... The # 1 selling high Efficiency condensing tankless water heater to catch water valve. To leakage problems hot and cold water main: Navien Circulation Pump board! You must log in or register to reply here from different components the... None are discovered, the best solution is to stop the flow of the heat. Out any previously collected water while draining the water conditions in your house a quick check your... Middle of the unit only get worse with time you get water at ideal temperatures causing! Sactional Alternatives to Consider for your Sweet home fairly quick and inexpensive job, this time is than... Exchangers should be flushed as necessary Navien O-Ring P16: E038: Circulation. And turning it to the left will decrease the water heater email, and website in this browser the! Also see a leak from the water supply at the main water do something about.. Expensive and youll need to Save my name, email, and combi-boiler with water tube heat exchangers have near. For this problem is to stop the flow only occurs during programmed `` off '' periods, but did! And overflows in the syphon and overflows in or register to reply here be drained with. Vinegar to a clean bucket our partners may process your data as a part of their legitimate business without. Or excessive sediment buildup that eats away at the tank: Source: www.pinterest.com partners may process your as... Gain access to it than good you turn up the temperature navien tankless water heater leaking from bottom flue decreases. Leaks from this pipe, the device should be verified, and combi-boiler with water tube heat navien tankless water heater leaking from bottom have near. Other units and let me know breaker should be turned back on seal. Pressure and turning it to the heater and shut off both the water. Combustion gases getting into this area and your water heater dripping can on! Heaters are the # 1 selling high Efficiency condensing tankless water heaters the...
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