A bird can also build its nest in the exhaust pipe and end up clogging it. Is the water heater a loss? This type of water is extremely corrosive and can also lead to leaks. This system, from what I have gleaned is only 4-5 years old, we only purchased this house about 4 months ago and I have no knowledge of tankless nor radiant systems. Tankless water heaters primarily develop leaks is due to improper installation. WebFebruary 2019. Maybe it was forgotten when maintenance was performed 9 months ago. 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. It causes pinholes in the tankless water heater which may promote leaking with time. I have a navien I also notice some water and rusting at the back left corner, near the water outlet point: It was too much trouble to re-plumb the copper so that it didn't interfere with the venting? Is the water heater a loss? there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. But, it if were clogged, why would condensate be leaking out of it? Switch the device off electrically. Is the cabinet airtight or does it have grates for air flow? I Also noticed a wire harness that was resting above the boiler. 3. The burning gas gets transformed back into a liquid and goes out through it. Dump out any previously collected water while draining the water heater. We might be able to do something about it. Shut off the water supply valve on the inlet to the water heater. A Sactional in your apartment's house or living area makes a place for everyone to sit, have snacks, and watch TV. A new air separator is inexpensive and its not hard to install it on your own. First of all, shut off the gas supply to your frozen Rinnai tankless water heater. Shut off the water supply valve on the inlet to the water heater. When it comes to tankless water heaters, Navien is one of the best choices on the market today for your hot water needs. Obstruction In Pipes Solution: 10. Loose Heat Exchanger Solution: 7. Source: terrylove.com. Source: terrylove.com. Tankless water heaters primarily develop leaks is due to improper installation. Check the Thermostat Temperature Setting. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); This site uses Akismet to reduce spam. Consumers with recalled water heaters should immediately contact Navien to schedule a free repair. Close cold water main. You must log in or register to reply here. 2. Shut Off Cold Water Supply. If you have a pressure regulator in your house, you can use it to adjust the water pressure. Youll no longer have to see water dripping that way. Heres an example of a pressure gauge reading thats too high. My 2 yr-old Navien heater has apparently been leaking for quite some time. This is where your water supply comes from. 2. Siphoning Water Solution: 3. Its a It causes pinholes in the tankless water heater which may promote leaking with time. Condensation inside the heater itself can cause leaks due to bad installation. At this point, the boiler will stop working automatically for safety reasons. 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. Then, switch off the cold water to your unit. Navien tankless water heaters, boilers, and combi-boiler with water tube heat exchangers have a generally good reputation. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. 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 Thermostat Temperature Setting. Clean the condensate trap The condensate trap is located at the bottom of the unit. Question I would have for Navien is how are combustion gases getting into this area? WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. It goes without saying that water leaking from any part of your home is not ideal, let alone acidic water leakage. Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. Metal-based fittings cannot be used as the condensate itself is a bit acidic in nature and will corrode metal. Observe the bottom of your water heater for a red button. That makes it prone to leakage. But installing a drain pan will keep your property 100% safe in case of water leaks. If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. A condensate trap has two jobs. So the Navien tech told the guy from the install company that the street Elbow that he used on the exhaust was no good. 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 The minerals present in hard water will build up in the piping system over time. Press the reset button to reset your device. WebWater heater leaking from the bottom can be a result of defects from different components of the unit. Mine is 1/2. 2. How Are Navien Tankless Water Heaters To Be Cleaned Properly? by using wintertime fuel use against heating degree-day data. You might hear pop noises due to the pressure. If the condensate trap does not require cleaning, the heating engineer will take it out, thoroughly rinse it, and refill it before refitting it. To minimize these changes, check your waters acidity level and neutralize it if possible. 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. The boiler then detects that condensate cannot be expelled anymore and it shuts down. I also notice some water and rusting at the back left corner, near the water outlet point: Press the power button on the front panel to turn off the unit. Hard Or Acidic Water. I thought I'd seen everything, but that's a new one on me! It may not display this or other websites correctly. Close cold water main. Check the Gas Line. Im wondering if the plastic had some kind of coating and the droplets are water. When the condensate exists in small bursts, it is less prone to freezing. Leaking from the bottom of the tank: Source: www.pinterest.com. Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. Check the Thermostat Temperature Setting. 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). Navien tankless water heater error codes, their meaning, and fixes Below are different Navien water heater error codes and their solutions; Error Code E003 If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. Consumers with recalled water heaters should immediately contact Navien to schedule a free repair. Combat Abrasives belts are more famous and considerably used by a greater number of buyers than Red Label Abrasives. That section of the drain coming off the condensate trap retaining just enough suction to prevent it from flowing. The recalled water heaters and combination boilers were manufactured between July 9, 2018 through If you notice that your Navien water heater is leaking, its likely that the condensate drain is the culprit. All other causes are electrical. Step 3 will show you how. 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. Navien tankless water heater CR-240A is leaking I've had this Navien CR-240A for 7 years (The unit is longer under warranty). Itll bring down the chances of further leaks in the future and is also better for your own health. What You Need to Know About Navien Equipment. Place a bucket underneath the water heater to catch water. Check for other issues: If the pressure valve is not the root cause, another issue may be affecting the water heater. 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 If this unit can operate without the cover on, put a fan on it for a few days to see if the condensation reduces or goes away. All other causes are electrical. Navien tankless water heaters, boilers, and combi-boiler with water tube heat exchangers have a generally good reputation. A malfunction in the boilers condensate trap will rarely damage your Navien boiler, but it will prevent it from working optimally. WebTurn off the water heater for a minimum of 30-minutes. Required fields are marked *. experience as a licensed oil & gas technician. Once again, this has to do with making sure that the heater is clean. Loose Or Dirty Parts Solution: 4. When it comes to tankless water heaters, Navien is one of the best choices on the market today for your hot water needs. This ensures that there is a water barrier present between the combustion chambers and the condensate pipe of the boiler. Look at the Water Supply Lines. You already know what the ideal water pressure is for a house. If so, where can I purchase one? There are electronic parts inside. 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). Its possible the mixing valve is leaking when you see your Navien tankless water heater dripping. Place a bucket underneath the water heater to catch water. This is an indication that the valve isn't water tight, and the leak will only get worse with time. 2. Gas leak. You have to make sure your Navien boiler receives servicing regularly in compliance with the manufacturers guidelines. Drain it by opening the drain down solenoid valves on the hot/cold water lines. A tripped breaker on a tankless water heater is a common issue caused by several factors. Lack of adequate venting will cause water leakage, and it is a well-known culprit for tankless water heaters. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. Chances are, there is debris lodged inside that has to be cleaned. They can also get frozen in extremely cold climates. No water flow into 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. Check for other issues: If the pressure valve is not the root cause, another issue may be affecting the water heater. Partially Closed Valves Solution: 6. Just to close the loop on this, I installed a vent on the drain by putting in a secondary condensate bypass right to the pump and I'm good. WebThere seemed to be condensation forming on the bottom of the secondary heat exchanger. Now I will keep an eye out for oily residue. Loose Heat Exchanger Solution: 7. I have a tankless Navien water heater installed and it drips constantly when hot water is being used. How to fix a leaking tankless water heater? Combat Abrasives Sanding Belts (2023). #1. Strange. Verify operation, including gas pressure, when putting the unit back into service. If we compare, this time is lower than other units. When water leaks from this pipe, it flows from the pressure relief valve down through the overflow pipe and then onto the earth. Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. Clear damage on the existing o-ring. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with the installation or the heat exchanger. Check for leaks, clogs, and other issues causing high pressure or other problems. The reason behind it is that there is extreme pressure in the boiler. If the leak stops now, youve solved the main issue that was causing it. Tripped breaker. Add about 6 liters of vinegar to a clean bucket. Leak-related issues cause this problem most often, as when theres a leak a water heater will continuously work to replace the leaking water. If this valve becomes loose or damaged, it can cause If the venting isnt done properly, its a good idea to call a professional plumber to take a look at the issue. Mineral Build-Up Solution: 2. Think of the inconvenience is the boiler was located somewhere where you sleep or relax. If we compare, this time is lower than other units. But if you feel comfortable taking it on yourself, here are the steps to replace it: Thats how easy it is. 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. Clean the condensate trap The condensate trap is located at the bottom of the unit. 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. A leaking water heater can have a bad anode rod or excessive sediment buildup that eats away at the 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. Partially Closed Valves Solution: 6. Mineral Build-Up Solution: 2. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with 2. Plus, the installation instructions are clear and simple to understand for even the most inexperienced user. 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. Most people think that tankless water heaters dont leak. To minimize these changes, check your waters acidity level and neutralize it if possible. You can easily take it off by using water pump pliers. May 21, 2017. I think an air gap of some sort is in order. Otherwise, dirt will build up, the airflow inside it will get reduced, and the heat exchanger will be overheated and get cracked. If the water is too hot, an excess of steam might occur, yielding too much pressure for your heater to hold. This is the first thing I always check. The level of PH in the water determines how fast acidic water will damage your system. Compare it to the trap in your sink or toilet in both cases, the trap is used to make a body of water that prevents fume movement. There is a simple solution to make sure that theres little to no damage to your property when your tankless water heater starts leaking. Without water flow, the control board will not activate the flame to heat the water. Leaks Solution: 9. The unit is configured for scheduled recirculate times. Check the water flow sensor. Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. Save my name and email in this browser for the next time I comment. Your water heater will start to leak if this valve goes bad. Observe the bottom of your water heater for a red button. When it comes to tankless water heaters, Navien is one of the best choices on the market today for your hot water needs. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. Shut off the water supply valve on the inlet to the water heater. Inspect the gas line and switch off your heater after following it all the way to the rear. Troubleshooting Tankless Water Heater Error Codes, Navien Tankless Water Heater Leaking From Bottom [Reasons + Solutions], How To Prevent Heat Exchanger From Cracking. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. The recalled water heaters and combination boilers were manufactured between July 9, 2018 through If the pipes are blocked, then tightening them wont work. With the breaker turned off, unplug the unit and check for leaks. Check for leaks, clogs, and other issues causing high pressure or other problems. Close the gas valve by turning it to the off position. 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. Theyll look like translucent silicone hoses when you take the cover off and lead directly to the condensate drain line. Excessive sediment buildup. Yellow or brown water coming out of the taps is a strong indicator that you have hard water flowing through the pipes. Hard Or Acidic Water. I have the same oily issue. Add me to this train. If the temperature isnt too high, then youll have to replace the pressure relief valve. If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. A condensate pipe devoid of an auto-siphon may be shaped like a U.. A tripped breaker on a tankless water heater is a common issue caused by several factors. Navien NHB boilers have a screen on the return connection. 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. Fortunately, you can minimize the chances of it happening to a great extent if you follow some basic practices. Another key factor to consider is the quality of life. Mine is 1/2. 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 PVC exhaust technology has made the installation easier. The wire harness was dried out and falling apart. Our condensate trap is leaking and it looks like the plug is missing an O-ring that would help it seal. Before the condensate is expelled through the condensate pipe, the water is accumulated in the sump of the boiler. Heat exchangers tend to go bad with time. The first place to check is the plumbing pipes above the water heater. The next step is to stop the flow of the cold water supply into your water heater. If your heat exchanger is fine, a bad installation is the most likely culprit behind the leak. If the water is too hot, an excess of steam might occur, yielding too much pressure for your heater to hold. IS anyone here familiar with this unit and can tell me what is causing this? 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 Your email address will not be published. It started to leak from the water adjustment valve. Save my name, email, and website in this browser for the next time I comment. But a better and more visually pleasing solution would be to connect the condensate drain to the sink with a pipe. A Defective Thermostat. Red Label Abrasives Vs. Turning the screw to the left will decrease the water pressure and turning it to the right will do the opposite. The drip is coming from the bottom, middle of the unit where there is a white cap. Add about 6 liters of vinegar to a clean bucket. These pipes can loosen over time and cause leaks from the heater. 1. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. Have a pressure regulator in your apartment 's house or living area makes a place for everyone to sit have. 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