Navien NHB boilers have a screen on the return connection. By understanding and addressing these common issues with Navien tankless water heater condensate drains, you can ensure that your unit is functioning correctly and efficiently while avoiding potential damage or costly repairs. When the condensate exists in small bursts, it is less prone to freezing. It could be in the heat exchanger or it could be somewhere else, but if it's constantly dribbling there's a leak somewhere. Boiler was unplugged at the time. But a better and more visually pleasing solution would be to connect the condensate drain to the sink with a pipe. The O-ring between the flow sensor on the inlet was bad. You are using an out of date browser. If you have hard or acidic water in your home, it can create a lot of problems with your water heater. Called plumber over to take a look. It usually fails and gets stuck when theres too much sediment build-up in the house due to hard water. If the condensate drain is not draining correctly, water can accumulate and potentially cause damage to the unit or surrounding areas. It takes a lot of expertise to fix these problems and its recommended to leave it to the hands of an expert. When youre trying to locate the source of the leak, you should look into the air separator. Its still leaking. Ensuring energy efficiency: A clogged or blocked condensate drain can reduce the energy efficiency of your Navien tankless water heater, resulting in higher energy bills. Navien Now Doing Business in Canada as Navien Canada, Inc. Navien Begins Shipping PeakFlowC Commercial Scale Prevention Systems. It looks like you're using an ad blocker. I have a Navien 210a water heater on gas. Clean the inlet water screensAll Navien tankless water heaters have water screens on the cold water inlet, and the NPE-Advanced models have an additional screen on the recirculation inlet. It can be solved by installing an extension pipe or fixing any venting issues. It is 5 years old , no problems. The floor beneath the unit was a little wet too but whatever caused that bit of moisture has seemed to have stopped. Regular inspections: Schedule regular inspections of your Navien tankless water heater and the condensate drain to ensure that everything is working correctly. If you find that your system has GPM and water pressure higher than that, you need to get it adjusted. Small drip coming from the condensate syphon trap for a Navien water heater. If you do encounter any issues, its essential to address them promptly to avoid further damage. It can damage anything prone to corrosion. Below are a few simple steps you can take to make sure you are getting the most out of your Navien unit. Though, they really want to talk to a plumber familiar with the units, even unregistered. Any water that has a pH less than 6.5 is acidic. Burner condensate runs 2-4 ph litmus paper to test it. Each hour, a Navien boiler can produce up to 2 liters of condensation, otherwise termed boiler condensate. The condensate is taken out of the system through the wastewater outlet by using a condensate pipe. Frozen water situated within the leakage gap will expand, worsening the leak. Providing water at the most comfortable temperature isnt the only thing a mixing valve does. Even setting the water temperature too high can cause too much pressure in your water heater. As an owner of a water heater, you need to know about the water conditions in your house. No external features.I would hear the recirculation pump and burner kick on in the mornings before my shower, about 20 minutes before but I dont really hear that anymore. Metal-based fittings cannot be used as the condensate itself is a bit acidic in nature and will corrode metal. 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. Navien water heaters boilers notorious for these problems. I had the same issue. Thats why you need to take steps to fix the situation. Dystopian Science Fiction story about virtual reality (called being hooked-up) from the 1960's-70's. Is it still okay to keep the system on or is there a safety risk? The boiler then detects that condensate cannot be expelled anymore and it shuts down. 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. Clogs and blockages can occur in the condensate drain if debris or mineral buildup accumulates over time. 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. Is a copyright claim diminished by an owner's refusal to publish? I've seen heat exchangers only leak under fire. Battery backup system for tankless gas water heater (outdoor install). Clear damage on the existing o-ring. Boiler was unplugged at the time. Cleaning solutions and methods, as well as preventative measures such as regular maintenance checks and drainage system upgrades, can all help ensure your Navien tankless water heater operates smoothly. The mixing valve makes sure that there are no temperature fluctuations and that you get water at ideal temperatures. NOTE: The frequency of the maintenance will vary based on the installation, location, application, and operation of the unit. Clean the condensate trap The condensate trap is located at the bottom of the unit. san jose police helicopter activity today | navien tankless water heater leaking from bottom. 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. We might be able to do something about it. David is a man who loves doing research and finding out the best solution to any type of heating appliance issues like heaters and fireplaces. I am having the same issue. Most people think that tankless water heaters dont leak. Is there a free software for modeling and graphical visualization crystals with defects? Thus, in newer appliances, such as a Navien boiler, the energy from the gases is caught and utilized to preheat the cool water entering the boiler. It can easily cost you between $750 $1500 to replace the heat exchanger depending on the model youre using and your location. Continue with Recommended Cookies. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. The hose drains off the syphon. Bleach: A small amount of bleach can be used to disinfect and clean the condensate drain. A lot of water continuously flow through the condensation line even the heat exchanger is not operating. 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. Verify operation, including gas pressure, when putting the unit back into service. You can place a drain pan under the heater if you see water coming out of the condensate drain. Temperature, pressure, or a faulty valve. 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. Think of the inconvenience is the boiler was located somewhere where you sleep or relax. If so, please leave a comment and let me know. Replaced it and the problem was resolved. Hard Or Acidic Water 3. Cracked Heat Exchanger 4. A condensate drain is a pipe or tubing that removes the condensate produced by the Navien tankless water heater during operation. . Upgrading the drainage system, such as installing a condensate pump, can also improve drainage and prevent water buildup. If so, where can I purchase one? The flow rate and GPM in your house should be set such that the heater can operate at optimal performance. All the specs line up on the valves (150 PSI), in fact the new one has a higher BTU/HR rating by a long shot (500,000 old vs 934,000 new). Turn off the heater and shut off both the hot and cold water supply to it. 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. 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. Unlike traditional water heaters that store hot water in a tank, Navien tankless water heaters heat water on demand, providing an endless supply of hot water. A nice experience could quickly turn into a stressful one. It is odd, and Navien's advice is excellent. Make sure that youve not set a temperature thats higher than 120 degrees Fahrenheit. We recommend that you check it at least once every year. I also notice some water and rusting at the back left corner, near the water outlet point: Blocked condensate traps are generally a result of not servicing your boiler for a long time. Chances are, there is debris lodged inside that has to be cleaned. It looks like you're using an ad blocker. The first thing you should do is try and identify the leak in a short time. Thanks. At this point, the boiler will stop working automatically for safety reasons. Bad Installation 2. But, really, from your video, it looks like a vacuum-related issue. High-quality product Hi. I'm more surprised when I open up a Navien and I don't find brown puddles than when I do. Companies have started installing auto-siphons in condensate traps. If you have acidic water, install an acid neutralizer to raise the pH level of water in your house. Once youre happy with the water pressure, you can stop adjusting. For those not familiar with it, it might be helpful to include the installation/owner's manual and/or a picture or two of your unit. 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. We also share information about your use of our site with our social media, advertising and analytics partners. The leak can only be stopped when I close the cold water inlet. Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. Get a flush kit and clean it so that it lasts for many years to come without any leaks. Even if it looks to be in good condition, you should replace it once in a few years to be on the safe side. 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. In addition, the waters warmth can comfortably shift the ice if it starts to form. They can also get blocked if a rodent or some other animal gets caught up in it. there are no error codes. Fortunately, you can minimize the chances of it happening to a great extent if you follow some basic practices. If the pipes are blocked, then tightening them wont work. Inlet & Outlet Pipe Issues 6. Once again, this has to do with making sure that the heater is clean. Most technician said there might be a leak in the heat exchanger. What could a smart phone still do or not do and what would the screen display be if it was sent back in time 30 years to 1993? I have a 3 year old Navien 240a tankless water heater. Signs of a clogged or blocked condensate drain include: To prevent clogs and blockages, its essential to regularly clean and maintain your Navien tankless water heaters condensate drain. Heaterfixlab.com is a participant in Google Adsense and Ezoic Ad Network. It may not display this or other websites correctly. You can hire a plumber to do this job for you. HeyRalph is here! The flow only occurs during programmed "off" periods, but not always. A bit of the carbon dioxide generates during the ignition process mixes into the condensate, giving it its acidic nature. However, keep in mind that this liquid can corrode certain materials such as mental. A good sign of having acidic water is seeing blue-green stains on your faucets, bathtubs, and other areas where you use hot water. 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