I have a 3 year old Navien 240a tankless water heater. Water heater was installed in 2014, so this leak developed after about 6 years in. The boiler condensate created within your appliances will safely be drained along with wastewater. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Okay to use cold water drain valve on tankless gas water heater as a spigot? HeyRalph is here! You must log in or register to reply here. Tankless water heaters have a condensate drain to properly drain the excess condensation produced by the second heat exchange unit installed inside of condensing tankless water heaters. Metal-based fittings cannot be used as the condensate itself is a bit acidic in nature and will corrode metal. It only stops if I shut off the water valve. How to tell which packages are held back due to phased updates. Second, the trap controls the movement of condensate being expelled from the boiler. Thank you jmon. Click here to Find a Contractor in your area. If any particular ad is your REASON for blocking ads, please let us know. When a hot water tap is opened, the tankless water heater detects the flow, The flow sensor activates to determine the amount of hot water needed, The gas control valve opens to supply the correct amount of gas, The fan and venturi activate to provide the correct amount of gas and fuel, The premix burner ignites providing a flame to heat the water, Cold water is pre-heated in the secondary heat exchanger, Pre-heated water passes from the secondary to the primary heat exchanger, The unit determines outgoing set temperature and adjusts the flame to heat the water, Desired hot water amount delivered to the faucet. You must log in or register to reply here. Thanks for contributing an answer to Home Improvement Stack Exchange! If not, please tell me how I can improve this article. They use less energy (and money) than traditional water heaters because they don't need to reheat the water over and over. I have a 3 year old Navien 240a tankless water heater. Navien WATER ADJUSTMENT VALVE, part 30008245A, for NPE-A model, Navien Flame Rod Assembly NPE NCB Series Part 30012226A, Forestchill Universal Flexible Drain Hose Water Pipe for Air Conditoner (20ft), MyLifeUNIT Washing Machine Drain Hose Extension Kit, Universal Fit All Drain Hose, 6-Foot, FangFarm 5/8" Outdoor Garden Hose with Water Stop, Hose Shut Off Valve, Flexible Water Hose, Durable and Leakproof, Solid Brass GHT Connector (20FT, Blue), Air Jade 3/5 Inch(15mm) Air Conditioner Drain Hose Connector Elbow Fitting with Rubber Ring, Universal Fit Mini-Split AC Unit and Window Air Conditioning Unit. But what exactly is the condensate drain, and why does your tankless water heater have one? Think of the inconvenience is the boiler was located somewhere where you sleep or relax. Thanks. Optional NaviLink Wi-Fi control system gives you access to your Navien systems from anywhere in the world. By raising the pH level of the condensate before the water discharges to the drain, the kit can prevent damage to the pipes and enhance the performance of the unit. The downside is you need to get that condensate out of the heater.Since I had an open laundry drain right below the heater, that was a perfect place to run the condensate. I have called Navien and several plumbers and it seemed like nobody had a clue what was going on. It goes without saying that water leaking from any part of your home is not ideal, let alone acidic water leakage. Protect your water supply and your water heating equipment with eco-friendly water treatment solutions. Help others learn more about this product by uploading a video! Protect the water supply and water heating equipment with eco-friendly water treatment solutions. If the condensate is coming from the exhaust, you can try to redirect it to a different location. The condensate drain is a small pipe that drains any water that condenses on the heat exchanger. The O-ring between the flow sensor on the inlet was bad. This happens when the water in the tankless heater is heated to the point where it starts to produce steam. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. That means it cools the exhaust gas below the boiling point of water, thus causing most of the water vapor there to condense out to liquid. Includes initial monthly payment and selected options. Tankless water heaters are very efficient since there is no heat loss from a stored tank of hot water. Making statements based on opinion; back them up with references or personal experience. It is a possibility that the heat exchanger is compromised and the leak cold be leaking burner side running out the conensate. I dont know where to start though. Since 2006, Navien, Inc. has become one of the fastest growing companies in the home comfort sector in North America and is now a leader in condensing technology, providing condensing tankless water heaters, combi-boilers, and boilers.*. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Boiler was unplugged at the time. 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. The garage temperature never drops below 50*F even on a cold winter day, so no worries about the drain tube freezing.Google answers page on condensate volume from natural gas combustion:- http://answers.google.com/answers/threadview/id/267323.htmlAnd here's a video where I check the pH of the tank less condensate:https://youtu.be/YjhLNgUETXQMore to comeBe sure to rate, comment and shareAnd as always, thanks for watchingIntro:Louisiana Fairytale by Austin Rogershttps://web.archive.org/web/20170402222425/http://drfiddle.com/show_tune.php?id=94#takagi #tanklesshotwaterheater #tankless Replaced it and the problem was resolved. The O-ring between the flow sensor on the inlet was bad. Navien Flow Sensor Tankless Water Heater 136 Amazon's Choice in Water Heaters 5 offers from $15.00 Navien 30012033B Dhw Flow Sensor 21 5 offers from $46.27 Navien WATER ADJUSTMENT VALVE, part 30008245A, for NPE-A model 25 Amazon's Choice in Faucet Valves 3 offers from $85.90 Navien Flame Rod Assembly NPE NCB Series Part 30012226A 76 The Takagi tankless water heater I installed is a condensing model. So, it drains out through the condensate line. I used some brass parts I had laying around and picked up a $3.00 roll of clear tubing from the hardware store.I'll keep an eye on the brass fitting for signs of corrosion. When you do not need to use the item, such as in Winter, you can disassemble it easily and store it without taking too much space. But, it if were clogged, why would condensate be leaking out of it? Why do we calculate the second half of frequencies in DFT? There was defintley some backpressure of some sort and the vent eliminated it. A lot of water continuously flow through the condensation line even the heat exchanger is not operating. NPE-180S If your o-ring is damaged or worn, it can cause water to leak out of the unit. Edit: I've spoken to the manufacturer who have zero specs on this. Does a summoned creature play immediately after being summoned by a ready action? Save my name and email in this browser for the next time I comment. That section of the drain coming off the condensate trap retaining just enough suction to prevent it from flowing. Shower gradually cools, gets hotter when sink is on. All I needed was an adapter to convert the 1/2\" male pipe thread to a hose barb for some clear PVC tubing. Having the industrys strongest commercial warranty and customer support gives everyone more peace of mind. Some of it will condense on the heat exchanger. If it were clogged, it might explain what was happening and what your video showed. It started to leak from the water adjustment valve. Only one quick shower read more ${cardName} unavailable for quantities greater than ${maxQuantity}. Minimum inch T&P drain to terminate "outside" of the building no closer than 6 inches or further than 24 inches from grade. . This is necessary as noxious fumes need to be expelled through the flue instead of the condensate pipe. 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. Learn more about our products for home owners, Proven performance makesNavien a smart choice. Condensation inside Navien tankless water heater Heating Help: The Wall Home Domestic Hot Water Welcome! If you need to replace the condensate drain fitting, it is important to use a Navien-approved replacement. To learn more, see our tips on writing great answers. You might also want to CAREFULLY take some very fine wire or a toothpick and try and clean out the weep hole. If your Navien tankless water heater is not draining properly, it may be due to a clogged condensate trap. It only takes a minute to sign up. 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. Natural Gas Tankless water heater condensate volume, We've added a "Necessary cookies only" option to the cookie consent popup, Tankless water heater plumbing: neutralized condensate and pressure relief valve. MANY water tube heat exchanger type Naviens leak exhaust internally at the gasket at the top of the heat exchanger, which if bad enough or long enough degrades the control board and plastic parts inside the cabinet. "After the incident", I started to be more careful not to trip over things. Could anyone please point me where I can find the 2 internal drain valve? High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. The condensate is a product of combustion of the hydrocarbon fuel: hydrocarbon + oxygen > carbon dioxide + water. You are using an out of date browser. 1996-2023, Amazon.com, Inc. or its affiliates, Select a location to see product availability, 30003121A Navien Condensate Drain Hose BH2206006A. I know some desert soils are very alkaline and might neutralize acidic condensate quite well themselves. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Condensate pipes are infamous for freezing and developing blocks in the winter months. 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. Cooler exhaust means you have a wider range of venting material options, including PVC and polypropylene. Burner condensate runs 2-4 ph litmus paper to test it. I'm looking to install a Natural Gas Tankless (condensing) water heater (likely Navien 240). In addition, the waters warmth can comfortably shift the ice if it starts to form. Can I tell police to wait and call a lawyer when served with a search warrant? The size of the drain will depend on the model of Navien tankless water heater you have. Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. Learn more about our products for home owners. Is this excessive or normal? The condensate trap is designed to catch any water that condenses inside the unit. If so, where can I purchase one? Different contractors? While models numbers may. If any particular ad is your REASON for blocking ads, please let us know. If we compare, this time is lower than other units. Frozen and clogged condensate pipes are the answer to why your boiler is leaking. If so, please leave a comment and let me know. There was a problem completing your request. condensate drain for Navien tankless water heater, Plumbing Forum, Professional & DIY Advice, Navien NPE-240A - Temperature Fluctuations. The only tool needed in the repair process is a screwdriver. To clean the condensate trap, you will need to first shut off the power to the unit. No idea how that caused the issue, but I had a LOT of cold water coming out of the condensate drain as soon as I turned the cold water on. Thank you very much for your help. Why is this sentence from The Great Gatsby grammatical? Navien tankless water heater CR-240A is leaking I've had this Navien CR-240A for 7 years (The unit is longer under warranty). In my area, the water is slightly alkaline and the city doesn't require condensate neutralizers. But did you know that your Navien water heater also has a condensate drain? 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. Error posting question. If you have a Navien tankless water heater, you know that one of the most important parts of the unit is the condensate trap. Humidity will have little to no effect. You do not have to be concerned about that. Advanced condensing tankless water heaters featuring Naviens patented ComfortFlow system. Is it possible to rotate a window 90 degrees if it has the same length and width? Condensing tankless water heaters use a combination of two heat exchangers in the heating process. Watching this less than 2 minutes video will explain the reason and fix it. In Conclusion A lot of water continuously flows through the condensation line even the heat exchanger is not operating. Hi. Would you be able to post a picture of the modification you've made to your Navien? This accessory perfect fit and extension to your dishwasher drain hose, will be needed if your appliance is more than the standard distance away from the house drain. Everything is good, I installed the proper intake an exhaust with 3in schedule 40 PVC pipes as recommended, I plumbed 3/4in copper pipes for cold and hot water, a 3/4in gas line. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. When you turn on the tap, cold water enters the unit and is rapidly heated to the desired temperature. In that case, Hi. How can we prove that the supernatural or paranormal doesn't exist? Protect the water supply and water heating equipment with eco-friendly water treatment solutions. Navien offers the industry's most advanced condensing tankless water heaters, condensing boilers and the first combi-boilers strong enough to support . A clogged drain can cause serious problems, including water damage to your home. The unit is designed to heat water on demand, so there is no need to store hot water in a tank. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Why would turning on/off hot water when the toilet is flushing cause the tankless pressure relief valve to release water? This condensation is actually good for the heat exchanger because it helps to keep it clean and free of scale. But, as it is only a bit acidic, this poses no threat to health. Your email address will not be published. Take the cover off and you can see 2 translucent silicone hoses that connect from the small drain valves to the condensate drain line. Enhancements you chose aren't available for this seller. We have had another plumbing issue with a leaky tub faucet. When the heater is idle, expect none. The good news is that the Navien tankless water heater is designed to handle this condensate and drain it away from the unit. To clean the condensate trap, you will need to first shut off the power to the unit. I bought a home a few months ago that had a Navien tankless water heater installed in 2019. Shipping cost, delivery date, and order total (including tax) shown at checkout. Because the heat exchanger gets very hot, any water that comes into contact with it will instantly turn to steam. If you need to replace your Navien condensate trap o-ring, you can find the right one for your unit by checking the manual or contacting the manufacturer. But the water flowing out the condensate drain is continuous. Only one navien trouble. If you'd like to support the site, please allow ads. Navien condensing stainless steel heat exchangers recover extra heat that would be lost in non-condensing boilers. What order of work? Zoom in and look at "O"& "P", is that where it's broke/leaking? Will this water heater be on or in an outside wall or will it be inside at the location of the current tank? The condensate is a combustion byproduct, and will be determined almost entirely by how much the heater runs - when the heater is running, expect pretty much the rated output. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. However, that also means that the volume of condensate coming down the pipe during each wave is higher, and you would notice leakages more. Eligible for Return, Refund or Replacement within 30 days of receipt. Thanks. This water is then drained away, keeping your Navien water heater clean and free of any build-up. Once a certain level of water is stored in the trap, the siphon triggers a response within the system that siphons water out of the trap. Youll need to make sure the hose is properly secured so that it doesnt come loose and cause problems. To add the following enhancements to your purchase, choose a different seller. Navien Now Doing Business in Canada as Navien Canada, Inc. Navien Begins Shipping PeakFlowC Commercial Scale Prevention Systems. It can damage anything prone to corrosion. Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. Trying to understand how to get this basic Fourier Series. But condensing units require a drain, which can limit your installation location options. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The leak can only be stopped when I close the cold water inlet. Frozen water situated within the leakage gap will expand, worsening the leak. However, not all of the water will turn to steam. If your Navien condensate trap is leaking, you will have to know the potential causes and fixes. Thank you very much for your help. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. Non-condensing units have an efficiency rating of 0.81 UEF, which is still far more efficient than tank-style water heaters. In general, there are two types of condensate traps ones that come with auto-siphons and ones that dont. Condensing gas tankless water heaters include a second heat exchanger which uses heat from the exhaust gas to preheat incoming cold water. February 2019 9-year-old Navien NR-240A, I recently started noticing constant flow out the condensate drain @ ~ 2gph when unit is fully off with no demand. The Navien NPE-2 series is a line of high-efficiency condensing tankless water heaters featuring a user-friendly control panel. See our practical guide to Non-condensing Tankless Water Heaters. To learn more, see our tips on writing great answers. What Is A Condensate Line? Just put calcium carbonate rocks in my condensate water pump or buy a whole condensate kit? Can Martian regolith be easily melted with microwaves? When the heater is idle, expect none. Navien NPE-2 condensing tankless water heaters use durable dual stainless steel heat exchangers. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Read More Propane Heater For Bed BugsContinue, Read More How Much Propane Does A Tankless Water Heater UseContinue, Read More Propane Vs Electric Water HeaterContinue, Read More Top 10 Best 80 Gallon Electric Water Heater (2022 Latest Price)Continue, Read More Top 10 Best 20 Gallon Electric Water Heater For 2022 (Buying Guide)Continue, Read More Best electric tankless water heater for rvContinue. Condensate Neutralizer Kit. Not heating for period of time. Please use a different way to share. Doesn't analytically integrate sensibly let alone correctly. You should check your o-ring regularly and replace it if necessary. Did you order it online or can I get it from a store? A condensate trap may get blocked over time due to debris accumulation. Helping You to Do It Yourself! I would bet that this tankless heater would produce so little condensate water that this would have a negligible effect on the chemistry of soil it would drain into. A tankless water heater does not need a drain. The leak can only be stopped when I close the cold water inlet. These fittings are designed specifically for Navien units, and will ensure that your unit operates properly and safely. If that's an issue down the road, I've picked some PVC plastic fittings for the drain tube.The alkaline soap/detergent residue in a laundry drain will neutralize the slightly acidic condensate. Hello recently my old 50gal gas water heater developed a crack and started leaking. Thats why you need to take steps to fix the situation. Yesterday I noticed lots of water coming out of the condensate drain. You may need to use a funnel or some other type of container to catch the water as it drains out. Most technician said there might be a leak in the heat exchanger. Once the trap is clear, reattach the access panel and turn the power back on to the unit. Water vapor is a byproduct of combustion, although, in this case, the vapor contains elements such as methane, nitrogen and oxygen. The result is a reduction in energy consumption, lower CO2 emissions and low exhaust temperatures allowing the use of less expensive venting materials such as Schedule 40 PVC. Water Heater (Tankless), Furnace, Chimney? Please try again. Setting up a drain tube for the condensate out of the tankless water heater to the existing laundry drain.The Takagi tankless water heater I installed is a condensing model. NPE 2 Condensing Tankless Water Heaters Navien NPE-2 High Efficiency Condensing Tankless Water Heaters NPE-A2 Series Need to contact us? Your email address will not be published. We might be able to do something about it. Connect and share knowledge within a single location that is structured and easy to search. Have a Navien NCB-210 that's been running well and Dana helped me tune last year. How would "dark matter", subject only to gravity, behave? The temperature of flue gases decreases rapidly during this process, going down to 50 from 130. For a better experience, please enable JavaScript in your browser before proceeding. Can I gain AC efficiency by spraying condensate water on the outdoor coils? Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. The difference between the phonemes /p/ and /b/ in Japanese. Chances are, there is debris lodged inside that has to be cleaned. The trap is typically located near the bottom of the unit. JavaScript is disabled. If you notice any condensation around the fitting, be sure to wipe it away and check the fitting for any blockages. But did you know that your Navien tankless water heater can also produce condensate? Maybe it was forgotten when maintenance was performed 9 months ago. I am planning the drain line (which will have a neutralizer on it to reduce the acidity). I bought a home a few months ago that had a Navien tankless water heater installed in 2019. For the Nozomi from Shinagawa to Osaka, say on a Saturday afternoon, would tickets/seats typically be available - or would you need to book? allanlo1973How hard was it to replace the o-ring? You are using an out of date browser. 65K views 2 years ago Navien Tankless Water Heaters This is how to perform basic maintenance on a Navien NPE, NPN or other series tankless water heaters. The heat exchanger is the part of the tankless water heater that actually heats the water. I'm planning on piping it away from the heater closet (on outside of house). Full text of the 'Sri Mahalakshmi Dhyanam & Stotram'. It also means you can use inexpensive PVC pipe for venting. 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, 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. Connect and share knowledge within a single location that is structured and easy to search. Our payment security system encrypts your information during transmission. If the temperature No, a water heater is not part of an HVAC system. 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. If you have a Navien tankless water heater, you know that its a great way to have hot water on demand. Sorry, we were unable to perform your search at this time. The condensate drain is there to make sure that this water doesnt build up and cause problems.