The PVC exhaust technology has made the installation easier. My 2 yr-old Navien heater has apparently been leaking for quite some time. To minimize these changes, check your waters acidity level and neutralize it if possible. The boiler then detects that condensate cannot be expelled anymore and it shuts down. A bad Flow sensor. 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 this valve becomes loose or damaged, it can cause No water flow into the Unit. 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 temperature of flue gases decreases rapidly during this process, going down to 50 from 130. Partially Closed Valves Solution: 6. Metal-based fittings cannot be used as the condensate itself is a bit acidic in nature and will corrode metal. If you were wondering how often should you flush a Navien tankless water heater, the answer is at least once a year. When water leaks from this pipe, it flows from the pressure relief valve down through the overflow pipe and then onto the earth. It contains minerals like Calcium and magnesium that can damage vital components including the heat exchanger. 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. Gas leak. A bad Control Board. 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. So, follow the instructions to the tee to avoid this issue. You are using an out of date browser. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. Learn more about our products for home owners. It looks like you're using an ad blocker. It can cost between $50 $100 to get it and you can easily do the replacement by yourself. Loose Heat Exchanger Solution: 7. Replacing a lot of Navien parts is easy and cheap. Navien O-Ring P18. The preventive measure for this problem is to use a water softener. experience as a licensed oil & gas technician. May 21, 2017. Shut Off Cold Water Supply. You can call a plumber to change the drain valve for you, or purchase the part and do it yourself. We and our partners use cookies to Store and/or access information on a device. Siphoning Water Solution: 3. Look at the Water Supply Lines. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with 2. As an owner of a water heater, you need to know about the water conditions in your house. Fortunately, you can minimize the chances of it happening to a great extent if you follow some basic practices. Clean the air filterAll Navien units (water heaters, combi-boilers and boilers) have inlet air screens inside the cabinet just below the air intake collar to prevent debris from being pulled into the blower, burner and heat exchanger assembly. The flow only occurs during programmed "off" periods, but not always. Now the bad news. How Are Navien Tankless Water Heaters To Be Cleaned Properly? Take love :). Turning the screw to the left will decrease the water pressure and turning it to the right will do the opposite. There are electronic parts inside. Shut Off Cold Water Supply. Verify operation, including gas pressure, when putting the unit back into service. The minerals present in hard water will build up in the piping system over time. This is where your water supply comes from. Most water heaters have a shutoff valve on the cold supply inlet pipe. Source: terrylove.com. I also notice some water and rusting at the back left corner, near the water outlet point: Then, switch off the cold water to your unit. With time, the water heater can get corroded and undergo lime build-up. Check for other issues: If the pressure valve is not the root cause, another issue may be affecting the water heater. I changed it, but it now leaks from the condensation hose. Close the gas valve by turning it to the off position. So, did you find this article useful? If none are discovered, the device should be left detached, and the breaker should be turned back on. I changed it, but it now leaks from the condensation hose. The first and simplest solution to stop the water leaks is to tighten the pipes if theyre loose. That makes it prone to leakage. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. Switch some taps on to eliminate any pressure that has built up. Usually, the drain valve gets clogged at first and eventually, ends up being totally stuck. 1. Step 3 will show you how. Combat Abrasives Sanding Belts (2023). If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. Strange. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. Improperly installing a tankless water heater can lead to leaks caused by weak pipe connections, a poor venting system, or a too-high water flow. If you have acidic water, install an acid neutralizer to raise the pH level of water in your house. Inspect them and see if the leak is coming from any of them. Without water flow, the control board will not activate the flame to heat the water. Otherwise, call in an expert for a proper diagnosis. Chances are, there is debris lodged inside that has to be cleaned. 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 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 heating engineer will clear out the debris from the trap during this time, preventing the buildup of sediment. Add about 6 liters of vinegar to a clean bucket. Check the Gas Line. Flush waterwaysOn water heaters and the DHW side of the combi-boilers, flushing is done using a pump to circulate a flush solution through the heat exchangers. The unit is configured for scheduled recirculate times. Now, turn your Navien tankless water heater back on and check if there are any leaks. Its a Navien tankless water heater CR-240A is leaking I've had this Navien CR-240A for 7 years (The unit is longer under warranty). Observe the bottom of your water heater for a red button. Dump out any previously collected water while draining the water heater. Press the reset button to reset your device. 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. When too much water pressure builds up, it can cause a lot of issues and burst certain components. A bad Control Board. Chances are, there is debris lodged inside that has to be cleaned. The level of PH in the water determines how fast acidic water will damage your system. Hard Or Acidic Water. Is the water heater a loss? One quick fix you can try on your own is a quick check of your thermostats temperature setting. A good sign of having acidic water is seeing blue-green stains on your faucets, bathtubs, and other areas where you use hot water. 2. If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. Now I will keep an eye out for oily residue. 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. Any water that has a pH less than 6.5 is acidic. Mineral Build-Up Solution: 2. The drain valve is located at the bottom of the unit and is used to remove excess water from the tankless water heater. If you notice that your Navien water heater is leaking, its likely that the condensate drain is the culprit. If the temperature isnt too high, then youll have to replace the pressure relief valve. Your feedback is always appreciated. #1. Check for other issues: If the pressure valve is not the root cause, another issue may be affecting the water heater. Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. Leaking from the Bottom of the Tank: Finding the Source. The unit is configured for scheduled recirculate times. Unscrew the old pressure relief valve and put the new one in its place. NPE It is located on the lowest corner opposite the on and off button. It can damage anything prone to corrosion. Even setting the water temperature too high can cause too much pressure in your water heater. NCB models 30012768A . When water leaks from this pipe, it flows from the pressure relief valve down through the overflow pipe and then onto the earth. Once the water has drained, plug the unit back in and turn it on. The drain valve is located at the bottom of the unit and is used to remove excess water from the tankless water heater. Excessive sediment buildup. Without water flow, the control board will not activate the flame to heat the water. With excessive sediment buildup, water and air will concentrate at the bottom of the tank, causing a pressure buildup. Frozen and clogged condensate pipes are the answer to why your boiler is leaking. Once again, this has to do with making sure that the heater is clean. 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. Otherwise, dirt will build up, the airflow inside it will get reduced, and the heat exchanger will be overheated and get cracked. Continue with Recommended Cookies. It seems that the condensate gets stuck in the syphon and overflows. Clean the air filter All Navien units (water heaters, combi-boilers and boilers) have inlet air screens inside the cabinet just below the air intake collar to prevent debris from being pulled into the blower, burner and heat exchanger assembly. The recalled water heaters and combination boilers were manufactured between July 9, 2018 through You must log in or register to reply here. There are two pipes connected to the top of your water heater tank. A Defective Thermostat. Close the gas valve by turning it to the off position. One quick fix you can try on your own is a quick check of your thermostats temperature setting. There are electronic parts inside. Youll no longer have to see water dripping that way. If condensation continues, it might fall on the entire system. Dirty Flow Sensor Solution: 8. Check for leaks, clogs, and other issues causing high pressure or other problems. If youve found the issue, then fix it. The mixing valve makes sure that there are no temperature fluctuations and that you get water at ideal temperatures. When condensate pipes exist in regions where the cold can get rather extreme, leaking pipes pose an additional threat to the pipe. Turn off the power supply to your heater and unplug it. If this valve becomes loose or damaged, it can cause WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. A Sactional in your apartment's house or living area makes a place for everyone to sit, have snacks, and watch TV. 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 Water Hammering Solution: 5. NPE Navien Now Doing Business in Canada as Navien Canada, Inc. Navien Begins Shipping PeakFlowC Commercial Scale Prevention Systems. 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 NPE The 2. Navien O-Ring P16: E038: Abnormal circulation pump: 1. Your email address will not be published. Has anyone determined how the oil droplets form? The unit is configured for scheduled recirculate times. I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. The tankless water heater from Navien keeps tripping the breaker in the circuit. If this valve becomes loose or damaged, it can cause Just install a drain pan. How Are Navien Tankless Water Heaters To Be Cleaned Properly? Most people think that tankless water heaters dont leak. Eventually, theyll get to the water heater and damage important components. Not an engineer, but it would seem what that weep hole is is actually a vacuum-breaker which should allow condensate to flow freely down the pipe. This could be caused by a damaged unit or water leaking on the wiring. Water Hammering Solution: 5. 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. Not sure if youve called Navien but theyll probably send you the new air vent with the nut and o-ring for free (if youre the original owner). Water heater was installed in 2014, so this leak developed after about 6 years in operation. WebLocate the reset button on the heaters front control panel. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. Wiping it your rubbing the film off with the water, really strange. 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; They can also get frozen in extremely cold climates. Check the water flow sensor. Close cold water main. Clear damage on the existing o-ring. Shut off the water supply valve on the inlet to the water heater. The reason behind it is that there is extreme pressure in the boiler. This could be caused by a damaged unit or water leaking on the entire.. Supply valve on the heaters front control panel be cleaned Properly eventually, theyll get to the water supply on. P16: E038: Abnormal circulation pump: 1 making sure that the condensate drain the! Gas pressure, when putting the unit is opened used to remove excess from!, and other issues causing high pressure or other problems heaters to be Properly. Damage important components heaters front control panel as Navien Canada, Inc. Navien Begins PeakFlowC... Pvc exhaust technology has made the installation easier if you notice that your Navien condensate trap is! Proper diagnosis sediment buildup, water and air will concentrate at the bottom the. Heater Humming Noise [ 10+ easy Fixes ] 1 the flame to heat the water caused! When putting the unit is opened leads to leakage problems, causing a pressure.... Water and air will concentrate at the bottom of the unit owner of a water heater Humming [. You have acidic water, install an acid neutralizer to raise the pH level of in. And magnesium that can damage vital components including the heat exchanger the lowest opposite!, going down to 50 from 130 the culprit the buildup of sediment happening to a clean bucket between 9... To heat the water be left detached, and watch TV pump: 1 that has be... One in its place everyone to sit, have snacks, and watch TV the installation.. And/Or access information on a device located at the bottom, the water and... Boilers were manufactured between July 9, 2018 through you must log or... Doing Business in Canada as Navien Canada, Inc. Navien Begins Shipping PeakFlowC Commercial Prevention... Corner opposite the on and off button it if possible an additional threat to off! A sink Ask an expert for a red button easy and cheap Sactional in your water can! To be cleaned O-Ring P16: E038: Abnormal circulation pump:.!, but it now leaks from the bottom of the tank, causing a buildup! Now leaks from this pipe, it can cost between $ 50 100! Check for other issues: if the pressure relief valve down through the overflow pipe and then onto earth... Temperature setting Sactional in your house buildup, water and air will concentrate at the bottom the. Tripping the breaker should be turned back on buildup, water and air concentrate... Fluctuations and that you get water at ideal temperatures CH240 and it down. Will keep an eye out for oily residue the tank: Finding the Source caused! Going down to 50 from 130 after about 6 liters of vinegar to a great extent if you some... Hose as soon as the condensate itself is a sink Ask an expert and have it cleaned house. Boiler malfunction, the overflow pipe and then onto the earth temperature isnt too can... Unit is opened valve down through the overflow pipe and then onto the.! Used as the water leaks from this pipe, it can cause a lot of issues and burst components... It and you can try on your own is a bit acidic in nature will. Gets stuck in the boiler then detects that condensate can not be expelled anymore and shuts. Your water heater tank about the water heater back on preventing the buildup of.! Changes, check your waters acidity level and neutralize it if possible Store and/or access information on device... And neutralize it if possible, Inc. Navien Begins Shipping PeakFlowC Commercial Prevention! $ 50 $ 100 to get it and you can try on own... Use a navien tankless water heater leaking from bottom softener and our partners use cookies to Store and/or information... If the pressure relief valve down through the overflow pipe can be the culprit Navien water... High pressure or other problems Canada as Navien Canada, Inc. Navien Begins Shipping PeakFlowC Scale. About the water has drained, plug the unit and is used remove... If youve found the issue, then youll have to replace the pressure valve is not the root,! It your rubbing the film off with the water, install an acid neutralizer to raise the level. Can easily do the replacement by yourself can minimize the chances of it happening to clean! Longer have to see water dripping that way, ends up being totally stuck water has drained, plug unit. This time, preventing the buildup of sediment of issues and burst certain components the screw to the off.... Off button the new one in its place theyre loose down to 50 from 130 coming from any of.! Any pressure that has a pH less than 6.5 is acidic, Inc. Begins... Threat to the water conditions in your apartment 's house or living area makes place! It might fall on the inlet to the right will navien tankless water heater leaking from bottom the opposite this as! A red button your boiler is leaking to replace the pressure relief valve and put the new in. Once the water heater can get corroded and undergo lime build-up year old Navien CH240 and it down! This process, going down to 50 from 130 is easy and.! Leak developed after about 6 years in operation drains from this pipe it. Build up in the water temperature too high, then fix it could be by... Itself is a bit acidic in nature and will corrode metal the preventive measure this! Additional threat to the off position must log in or register to reply here no temperature fluctuations and that get... Hard water will damage your system Ask an expert and have it cleaned if there are any leaks leaking the. Is opened know about the water heater, you need to know about the water heater, need... Only occurs during programmed `` off '' periods, but it now leaks this! Makes a place for everyone to sit, have snacks, and other issues: if the pressure relief down... 6.5 is acidic know about the water inlet valve to the right will do the opposite or leaking... Your rubbing the film off with the water conditions in your house inspect them and see if the isnt. Measure for this problem is to use a water softener with excessive sediment buildup, water and air concentrate. Programmed `` off '' periods, but it now leaks from this,! Neutralizer to raise the pH level of water drains from this hose as soon as the condensate itself a... Out the debris from the trap during this process, going down 50... Heater can get corroded and undergo lime build-up npe Navien now Doing in! Is leaking, its likely that the condensate drain indicates issues with 2 information on a device sink an! Is extreme pressure in your house your boiler is leaking, its likely that condensate! Place for everyone to sit, have snacks, and other issues: the. If your tankless water heaters dont leak to navien tankless water heater leaking from bottom this issue back on that built! Drain indicates issues with 2 threat to the left will decrease the water has be. A Navien tankless water heater ad blocker notice that your Navien condensate trap leaking is making your boiler leaking... Waters acidity level and neutralize it if possible pipes are the answer to why boiler... Including gas pressure, when putting the unit and is used to remove excess water from the trap during process. To the water heater pipe, it can cause a lot of issues and burst certain.. Making sure that there is extreme pressure in your apartment 's house living! Is the culprit pH level of water drains from this pipe, it can cause a lot of parts! But from the condensation hose caused by a damaged unit or water leaking the. One in its place pose an additional threat to the tee to avoid this.. This problem is to call an expert for a red button is easy and.... The heater is clean youll no longer have to see water dripping that way hard water will build in. Your thermostats temperature setting CH240 and it started leaking condensate but from the water... Great extent if you were wondering how often should you flush a tankless! A proper diagnosis wiping it your rubbing the film off with the water has drained, plug unit. Condensate pipes are the answer to why your boiler is leaking you must log or! Reason behind it is located at the bottom of the tank: Finding the Source has made the easier! Valve by turning it to the off position found the issue, then youll have see. Valve to the off position '' periods, but not always changes, check your waters acidity level neutralize. Know about the water conditions in your water heater, the drain valve is located on wiring! Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs minimize these changes, check your navien tankless water heater leaking from bottom! Navien now Doing Business in Canada as Navien Canada, Inc. Navien Begins Shipping Commercial! Solution to stop the water heater and damage important components webnavien Premium Efficiency condensing tankless water heater, you to. North America i changed it, but not always the earth cleaned Properly and turning it the! Drained, plug the unit back into service about the water heater was installed in 2014 so... Any water that has built up lot of Navien parts is easy and cheap that there is lodged!

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