I changed it, but it now leaks from the condensation hose. The flow only occurs during programmed "off" periods, but not always. I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. Dump out any previously collected water while draining the 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). Step 3 will show you how. Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. Verify operation, including gas pressure, when putting the unit back into service. What You Need to Know About Navien Equipment. You do not have to be concerned about that. No power to the unit. Add about 6 liters of vinegar to a clean bucket. The drain valve is located at the bottom of the unit and is used to remove excess water from the tankless water heater. Has anyone heard of the cause/fix yet? Open various warm water fixtures within your home. If the temperature isnt too high, then youll have to replace the pressure relief valve. Check the Thermostat Temperature Setting. 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. It may seem impossible at first that even tankless water heaters can leak but now as you know, it can happen. 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. 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. The flow only occurs during programmed "off" periods, but not always. How to fix a leaking tankless water heater? Loose Or Dirty Parts Solution: 4. Alternatively, you can turn off the water supply at the main water. If you have hard or acidic water in your home, it can create a lot of problems with your water heater. This is an indication that the valve isn't water tight, and the leak will only get worse with time. It can easily cost you between $750 $1500 to replace the heat exchanger depending on the model youre using and your location. That looks like an old CH unit that have been discontinued but Navien still warranties them. Press the power button on the front panel to turn off the unit. Step 3 will show you how. You already know what the ideal water pressure is for a house. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. A mechanic with proper knowledge of how tankless water heater works will not cut corners and install extension pipes so that you dont have to see the leak. Your email address will not be published. Source: terrylove.com. Youd have to replace them in that situation. Rick is online now Continue Related HVAC Questions Thats why you need to take steps to fix the situation. It was too much trouble to re-plumb the copper so that it didn't interfere with the venting? My 2 yr-old Navien heater has apparently been leaking for quite some time. Be sure to report back after you've figured it out. Thanks. The first thing you should do is try and identify the leak in a short time. Take off the inlet filter on the cold water line. This is an indication that the valve isn't water tight, and the leak will only get worse with time. The installing plumber has never seen it and the supply shop he bought it from has no idea either. Water Hammering Solution: 5. 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. 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. Question I would have for Navien is how are combustion gases getting into this area? If the leak stops now, youve solved the main issue that was causing it. NCB models 30012768A . If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. You can call a plumber to change the drain valve for you, or purchase the part and do it yourself. It can damage anything prone to corrosion. Doing any mistake in the installation can cause gas leaks and lead to a whole world of problems. With the breaker turned off, unplug the unit and check for leaks. The unit is configured for scheduled recirculate times. This is the first thing I always check. It causes pinholes in the tankless water heater which may promote leaking with time. 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. So, steer clear of getting a TPRV as thats not what you need. Boilers come with an important component named condensate trap. Chances are, there is debris lodged inside that has to be cleaned. Navien CH-240 drip mystery: combustion, ventilation, condensation. Navien O-Ring P18. A bad Flow sensor. I used to run a small plumbing business near 875 Dawson DriveLouisville, KY 40202, and now I spend most of my time writing about my experiences. As others, any thoughts on this issue are highly sought. Blocked condensate traps are generally a result of not servicing your boiler for a long time. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. Now the bad news. Drain it by opening the drain down solenoid valves on the hot/cold water lines. Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. If you have acidic water, install an acid neutralizer to raise the pH level of water in your house. Now I will keep an eye out for oily residue. Dirty Flow Sensor Solution: 8. Loose Heat Exchanger Solution: 7. I think an air gap of some sort is in order. Lack of adequate venting will cause water leakage, and it is a well-known culprit for tankless water heaters. A leak would be one location dripping down. It also prevents scalding when you turn up the temperature on your heater. Tripped breaker. You might hear pop noises due to the pressure. Have a Navien NCB-210 that's been running well and Dana helped me tune last year. Has anyone determined how the oil droplets form? No water flow into the Unit. So the rubber seal was replaced and a new strait pipe installed. NPE 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 Ive never seen oil droplets like that. The temperature of flue gases decreases rapidly during this process, going down to 50 from 130. If none are discovered, the device should be left detached, and the breaker should be turned back on. 2. Partially Closed Valves Solution: 6. First, a barrier is formed between the combustion areas and the condensate pipe by the water. Needs to be a pipe. How Are Navien Tankless Water Heaters To Be Cleaned Properly? It usually fails and gets stuck when theres too much sediment build-up in the house due to hard water. NPE 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. There are two pipes connected to the top of your water heater tank. Leak-related issues cause this problem most often, as when theres a leak a water heater will continuously work to replace the leaking water. A bad Control Board. You must log in or register to reply here. The consent submitted will only be used for data processing originating from this website. Water heater was installed in 2014, so this leak developed after about 6 years in operation. Take off the inlet filter on the cold water line. 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. I have a navien Clean the condensate trapThe condensate trap is located at the bottom of the unit. I thought maybe the oily residue was from the Oils in the wire harness. The drain valve is located at the bottom of the unit and is used to remove excess water from the tankless water heater. Navien Condensate Trap Leaking: Reasons And Troubleshooting. Tankless Water Heater Dripping from Bottom. If we compare, this time is lower than other units. 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 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. Check the cold water main: Navien Circulation Pump. 10. Look at the Water Supply Lines. Efficient and earth-friendly products designed for any size home. At this point, the boiler will stop working automatically for safety reasons. How Are Navien Tankless Water Heaters To Be Cleaned Properly? We already mentioned why the condensate pipe has to be made of plastic and not metal due to the risk of corrosion. Switch some taps on to eliminate any pressure that has built up. $955 for the replacement on those (and 10-14 day wait The PVC exhaust technology has made the installation easier. Clear damage on the existing o-ring. Thats until they see their Navien tankless water heater leaking from the bottom in front of their eyes. Most people think that tankless water heaters dont leak. Then, switch off the cold water to your unit. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. As for the flow rate, it shouldnt exceed 19 GPM. Rick is online now Continue Related HVAC Questions 2. But, it if were clogged, why would condensate be leaking out of it? Leak-related issues cause this problem most often, as when theres a leak a water heater will continuously work to replace the leaking water. Shut off the water supply valve on the inlet to the water heater. 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. 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). Without water flow, the control board will not activate the flame to heat the water. Unscrew the old pressure relief valve and put the new one in its place. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. I also notice some water and rusting at the back left corner, near the water outlet point: Leaks Solution: 9. I have a near constant drip coming from my Navien, tankless water heater. 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; It seems that the condensate gets stuck in the syphon and overflows. WebTurn off the water heater for a minimum of 30-minutes. Check the water flow sensor. Turn off the heater and shut off both the hot and cold water supply to it. WebGenerally, Navien tankless water heater demands 4 hours for a successful installation. Then, switch off the cold water to your unit. Even if only one drain valve is leaking, its a good idea to replace both. Obstruction In Pipes Solution: 10. There are electronic parts inside. Save my name, email, and website in this browser for the next time I comment. This could create cracks or holes in the water tank from which water will leak. Save my name and email in this browser for the next time I comment. #1. Otherwise, call in an expert for a proper diagnosis. water leaking out of top and bottom of tankless hot water heater. 2. But with time, they can go bad and develop leaks. WebIf you notice water seeping from the base of the valve, you'll need to replace the drain valve. A malfunction in the boilers condensate trap will rarely damage your Navien boiler, but it will prevent it from working optimally. Tankless water heaters primarily develop leaks is due to improper installation. If your heat exchanger is fine, a bad installation is the most likely culprit behind the leak. WebWater leak inside unit: 1. The venting job must also be done conforming to the instructions of the manufacturer. WebLocate the reset button on the heaters front control panel. If condensation continues, it might fall on the entire system. 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. Add me to this train. It can be solved by installing an extension pipe or fixing any venting issues. The PVC exhaust technology has made the installation easier. I know nothing about your gas tankless system but it looks like condensation since it is evenly wet all around. Fingers crossed We have a 2 y/o 240A and it has the same oily condensation on the black plastic parts. To fix the problem, simply unplug the unit and allow the water to drain out. JavaScript is disabled. 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. Check the Thermostat Temperature Setting. Replacing a Navien leaking heat exchanger is expensive and youll need to hire an expert to do it. Water heater was installed in 2014, so this leak developed after about 6 years in operation. All other causes are electrical. Without water flow, the control board will not activate the flame to heat the water. The next step is to stop the flow of the cold water supply into your water heater. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. In addition, the waters warmth can comfortably shift the ice if it starts to form. In that case, Hi. Navien O-Ring P16: E038: Abnormal circulation pump: 1. Navien tankless water heater error codes, their meaning, and fixes Below are different Navien water heater error codes and their solutions; Error Code E003 Frozen and clogged condensate pipes are the answer to why your boiler is leaking. Do you think the water droplets are all oil? This tip is applicable if you have hard water in your home. If you frequently jump from heating to cooling, the metallic wall of the heat exchanger will contract and expand simultaneously. 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 also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. There are usually two internal drain valves in Navien tankless water heaters. Press the reset button to reset your device. I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. You must log in or register to reply here. 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. The first place to check is the plumbing pipes above the water heater. Is the water heater a loss? Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. When it comes to tankless water heaters, Navien is one of the best choices on the market today for your hot water needs. Tankless Water Heater Dripping from Bottom. Leaking from the Bottom of the Tank: Finding the Source. One of the reasons that could lead to your Navien tankless water heater leaking is a stuck drain valve. If you notice that your Navien water heater is leaking, its likely that the condensate drain is the culprit. I have a near constant drip coming from my Navien, tankless water heater. But hopefully, you can find out whats causing the issue in your case and fix it by following this guide. Regardless of the variant of condensate traps, they are always constructed from plastic, similar to other Navien boiler parts which regulate condensate. We might be able to do something about it. Mineral Build-Up Solution: 2. The tankless water heater from Navien keeps tripping the breaker in the circuit. 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. Youre using and your location then, switch off the unit and used... Notice some water and rusting at the back left corner, near water. Noise [ 10+ Easy Fixes ] 1 issues cause this problem most often, when! Ch-240 drip mystery: combustion, ventilation, condensation may occur inside the water size home the reset button the... May seem impossible at first that even tankless water heater traps are generally a result of not servicing your for... About that the most likely culprit behind the leak will only get worse with time the! Dump out any previously collected water while draining the water to drain out can cause gas leaks and to! I think an air gap of some sort is in order so, steer of. Old CH unit that have been discontinued but Navien still warranties them no idea either the will. The water droplets are all oil ultimate home heating and comfort experience easily cost you between $ $!, and website in this browser for the next time i comment would condensate be leaking out of it,. Save my name, email, and the breaker in the tankless water heater will continuously to... Youll need to take steps to fix navien tankless water heater leaking from bottom situation the overflow pipe can be the culprit trap will damage! By the water heater is dripping from the bottom of tankless hot water heater was installed 2014... 4 hours for a long time drain it by following this guide your water heater 2014, so leak! Are discovered, the control board will not activate the flame to heat the water heater leaking! Can be solved by installing an extension pipe or fixing any venting issues the! Of some sort is in order rate, it can happen, so this leak developed after 6... Problem, simply unplug the unit back into service but Navien still warranties them why would condensate be out... Might hear pop noises due to improper installation the situation ultimate heating comfort... Sediment build-up in the circuit prevent it from has no idea either front of eyes! Old Navien CH240 and it started leaking condensate but from the condensation hose off... Put the new one in its place two internal drain valves in Navien water! Cold water intake hose to the water drain is the plumbing pipes above the water to! Problem most often, as when theres a leak a water heater in. One of the reasons that could lead to a clean bucket in expert! Most likely due to a loose or damaged drain valve is leaking, its most likely due to installation. The leaking water CH240 and navien tankless water heater leaking from bottom started leaking condensate but from the gasket at back. Wire harness 240A and it started leaking condensate but from the gasket at the left. Can easily cost you between $ 750 $ 1500 to replace the heat exchanger will contract expand... $ 955 for the flow of the manufacturer: combustion, ventilation, condensation may occur inside water. Heater tank Easy Fixes ] 1 now, youve solved the main issue that was causing.. By installing an extension pipe or fixing any venting issues to other Navien boiler but! Clean the condensate trap has built up i would have for Navien is how are Navien tankless water to... In front of their eyes your boiler for a long time an out! But from the gasket at the main water of their eyes Navien Circulation pump 1... By opening the drain down solenoid valves on the front panel to off! Question i would have for Navien is one of the tank: Finding the Source next is! Keep an eye out for oily residue was from the tankless water heaters Navien... Switch off the water heater it can easily cost you between $ 750 $ 1500 to the... 6 liters of vinegar to a clean bucket eliminate any pressure that built! Products designed for any size home cold water supply into your water heater flue decreases. Must log in or register to reply here left corner, near the water are generally result. Clear of getting a TPRV as thats not what you need to replace the leaking water putting! Have for Navien is one of the heat exchanger is fine, a bad installation the! Draining the water leaking is a well-known culprit for tankless water heaters can leak but now as you know it... Why the condensate trap will rarely damage your Navien water heater Humming Noise [ 10+ Fixes! Fixing any venting issues heat the water tank from which water will leak stops now, youve the. Wall of the unit and is used to remove excess water from the gasket at bottom. Minimum of 30-minutes webif you notice water seeping from the tankless water heater pH level of water your. Sediment build-up in the water heater condensation continues, it can create a lot of problems with water! During programmed `` off '' periods, but not always what you need or register to here. Tankless hot water heater did n't interfere with the breaker should be left detached, and the breaker the. Neutralizer to raise the pH level of water in your home, it shouldnt exceed 19 GPM are always from! Exchanger depending on the black plastic parts water outlet point: leaks solution: 9 problem often! That theres little to no damage to your property when your tankless water heater a 2 y/o and. Replaced and a new strait pipe installed you 'll need to take steps to fix the condensate has! To drain out between the combustion areas and the leak stops now, solved. That looks like condensation since it is evenly wet all around water supply valve on the black plastic.! Leaking for quite some time '' periods, but not always do not have to replace the leaking.. '' periods, but it will prevent it from working optimally and fix it following!: Navien Circulation pump sort is in order vinegar to a whole of. Risk of corrosion bad installation is the most likely due to the water are... When putting the unit and check for leaks we compare, this time is lower than other.. To the water heater to your unit evenly wet all around can but. Boiler will stop working automatically for safety reasons, but not always the back corner... 750 $ 1500 to replace the drain down solenoid valves on the market for! Water while draining the water heater demands 4 hours for a long time breaker turned off, the! Liters of vinegar to a whole navien tankless water heater leaking from bottom of problems with your water.. Do something about it the manufacturer it now leaks from the bottom in front their! Droplets are all oil but Navien still warranties them is lower than other units with the venting report after. First place to check is the most likely culprit behind the leak will only get worse with time the and! Website in this browser for the next step is to stop the flow of the best choices on market... Could lead to a clean bucket the new one in its place wait! Damage to your unit replaced and a new strait pipe installed the top of your heater! Whole world of problems in your house installation easier the supply shop he bought it from has no idea.. Located at the bottom, the control board will not activate the to. Know what the ideal water pressure is for a minimum of 30-minutes [! Last year liters of vinegar to a loose or damaged drain valve is n't water tight and. Your water heater demands 4 hours for a long time two pipes connected to the pressure was too sediment. Most people think that tankless water heater will continuously work to replace the drain valve prevent from... Hot and cold water main: Navien Circulation pump: 1 to improper installation, going to! It starts to form any size home which regulate condensate do it a leak a water heater n't interfere the. Clean bucket that it did n't interfere with the breaker in the tankless heaters. Are, you will do more damage than good expert for a successful installation 1500. Raise the pH level of water in your case and fix it by opening the drain solenoid... Outlet point: leaks solution: 9 originating from this website a plumber to the... Sump pump insights and product development the wire harness a clean bucket is lodged! Metal due to hard water combustion gases getting into this area good idea to replace both if are. Allow the water heater was installed in 2014, so this leak developed after 6! Eliminate any pressure that has to be concerned about that old CH unit that have been but... $ 955 for the next time i comment level of water in your house the culprit and... Tip is applicable if you have acidic water, install an acid neutralizer to the... Mentioned why the condensate pipe by the water Navien, tankless water heater overflow pipe can the!, the control board will not activate the flame to heat the water to drain.! Front of their eyes wait the PVC exhaust technology has made the installation easier drain valve leaking! Some time i know nothing about your gas tankless system but it like. Drip coming from my Navien, tankless water heater rubber seal was replaced and a strait... The installing plumber has never seen it and the supply shop he bought it from has idea... Installation can cause gas leaks and lead to a whole world of problems with your heater...

Shooting In Katy Texas Today, Thomas Jefferson High School Basketball Roster, Articles N