While a fairly quick and inexpensive job, this cannot be done by anyone except an expert. Will this water heater be on or in an outside wall or will it be inside at the location of the current tank? A nice experience could quickly turn into a stressful one. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. But the water flowing out the condensate drain is continuous. If the temperature No, a water heater is not part of an HVAC system. Your feedback is always appreciated. I am Ralph Wade and welcome to my blog. I have a 3 year old Navien 240a tankless water heater. Water vapor is a byproduct of combustion, although, in this case, the vapor contains elements such as methane, nitrogen and oxygen. Navien 240A -- risks of using existing 4" venting? Learn more about Stack Overflow the company, and our products. 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. When condensate pipes exist in regions where the cold can get rather extreme, leaking pipes pose an additional threat to the pipe. As an Amazon Associate, I Earn From Qualifying Purchases. Does ZnSO4 + H2 at high pressure reverses to Zn + H2SO4? This liquid is called condensate. A lot of water continuously flow through the condensation line even the heat exchanger is not operating. A condensate trap has two jobs. This has a number of advantages, it's more efficient as it recovers the heat as the water condenses (heater is rated 93% efficient). I bought a home a few months ago that had a Navien tankless water heater installed in 2019. 30003121A Navien Condensate Drain Hose BH2206006A - amazon.com But the water flowing out the condensate drain is continuous. We are sorry. Any guidance would be appreciated. The Navien NPE-2 series is a line of high-efficiency condensing tankless water heaters featuring a user-friendly control panel. The 3 ft. tall drain standpipe affords the required air gap between the end of the drain and the level of the water in the P-trap. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. There was a problem completing your request. Do you mind me asking where you got the O-ring replacement? To learn more, see our tips on writing great answers. Test boiler water just for a baseline. Once you have the correct o-ring, you can install it yourself or have a professional do it for you. Learn more about our products for home owners, Proven performance makesNavien a smart choice. A condensate trap may get blocked over time due to debris accumulation. First off, Navien tech will provide support, even out of warranty. This ensures that there is a water barrier present between the combustion chambers and the condensate pipe of the boiler. If it were clogged, it might explain what was happening and what your video showed. Acidic water can damage car paint and more. However, its important to make sure that your condensate drain is clear and unobstructed so that the water can drain properly. How to perform annual maintenance on your Navien instantaneous water heater. I know some desert soils are very alkaline and might neutralize acidic condensate quite well themselves. Yesterday I noticed lots of water coming out of the condensate drain. Frozen and clogged condensate pipes are the answer to why your boiler is leaking. If your tankless water heater is producing condensate, there are a few different ways you can go about draining it. If you have a Navien tankless water heater, you know that one of the most important parts of the unit is the condensate drain fitting. Condensing Tankless Water Heaters: A Practical Guide | Navien It is important to keep this fitting clean and free of any debris, as it can clog and cause problems with the units operation. This is necessary as noxious fumes need to be expelled through the flue instead of the condensate pipe. Ships from and sold by SOUTH AVE EAST LLC. Does the plug have an O-ring? Need to contact us? That's where they usually freeze and brake/crack. One of them was leaking bad enough to cause an E037 (leak) error code on my NP240A. Tankless Water Heaters: A Buyer's Guide - This Old House A former Navien fan-boy he has installed hundreds of Naviens, but has pretty much given up on trying to get them to fix this. The most important part of condensate traps maintenance is the maintenance itself. What order of work? Shower gradually cools, gets hotter when sink is on. There was a problem adding this item to Cart. The floor beneath the unit was a little wet too but whatever caused that bit of moisture has seemed to have stopped. I had the exact same problem. You should check your o-ring regularly and replace it if necessary. A lot of water continuously flows through the condensation line even the heat exchanger is not operating. Asking for help, clarification, or responding to other answers. The Takagi tankless water heater I installed is a condensing model. 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. I have called Navien and several plumbers and it seemed like nobody had a clue what was going on. Is this excessive or normal? If the condensate is coming from the exhaust, you can try to redirect it to a different location. But did you know that your Navien tankless water heater can also produce condensate? 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. Most technician said there might be a leak in the heat exchanger. 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. 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. It started to leak from the water adjustment valve. Distilled water 7. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. 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. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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. 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. For the Nozomi from Shinagawa to Osaka, say on a Saturday afternoon, would tickets/seats typically be available - or would you need to book? The size of the drain will depend on the model of Navien tankless water heater you have. The leak can only be stopped when I close the cold water inlet. Because water vapor does not condense inside the unit, there is no drain required for installation. ComfortFlow includes a buffer tank, recirculation pump and fine-tuned controls which resolve the cold water sandwich effect and flow rate issues common in other tankless water heaters. Please try again. Someone may be able to pick out the valves just by looking at it. Condensing tankless water heaters need a condensate drain. They are giving me the options to troubleshoot the unit for possibly $700 or more or to install a new one for about $5000. It helps to seal the trap and prevent water from leaking out. If not, please tell me how I can improve this article. The ultimate in energy efficiency. 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. 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. Can I tell police to wait and call a lawyer when served with a search warrant? Condensing tankless water heaters use a combination of two heat exchangers in the heating process. The steam then condenses on the cold water lines and drains back into the tankless water heater. If any particular ad is your REASON for blocking ads, please let us know. The leak can only be stopped when I close the cold water inlet. As you recommended, I hired a technician and he repaired it. Commercial Product Line | Navien document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); This site uses Akismet to reduce spam. How to use Slater Type Orbitals as a basis functions in matrix method correctly? Demystifying Tankless Water Heater Condensation (Demo) Connect and share knowledge within a single location that is structured and easy to search. You are using an out of date browser. I dont know where to start though. If your Navien tankless water heater is not draining properly, it may be due to a clogged condensate trap. Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. Where is the 2 internal drain valve in Navien 240a tankless water heater (damaged needs replacement), We've added a "Necessary cookies only" option to the cookie consent popup, Tankless water heater - not consistent hot water output, Correcting Navien Tankless Hot Water Heater Installation. Is it usually possible to transfer credits for graduate courses completed during an undergrad degree in the US? Architects and commercial builders like the spacesaving design, flexibility in configurations. The unit is configured for scheduled recirculate times. The PVC exhaust technology has made the installation easier. Navien NPE-2 condensing tankless water heaters use durable dual stainless steel heat exchangers. Spent a few minutes looking at mine. We have fast FREE SHIPPING on all orders over $99 and ship all orders within 1 business day. They understandably have to hesitate, when, if un registered, have chance that installer did not follow guidelines. You should never run your Navien boiler without the condensate trap, as it stops noxious exhaust gases from moving down the condensate system. Companies have started installing auto-siphons in condensate traps. I'm planning on piping it away from the heater closet (on outside of house). Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Navien 240a continuous water flow through condensation line Tagaki support wouldn't even say that a gallon a minute was excessive. Navien's high efficiency and eco-friendly condensing technology can reduce energy consumption by 20% and significantly reduce greenhouse gas emissions. Non-condensing units have an efficiency rating of 0.81 UEF, which is still far more efficient than tank-style water heaters. NPE-300S 1 Generally, Navien tankless water heater demands 4 hours for a successful installation. A lot of water continuously flows through the condensation line even the heat exchanger is not operating. The condensate trap is designed to catch any water that condenses inside the unit. Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. Navien Now Doing Business in Canada as Navien Canada, Inc. Navien Begins Shipping PeakFlowC Commercial Scale Prevention Systems. Just put calcium carbonate rocks in my condensate water pump or buy a whole condensate kit? Firstly, problems associated with any condensate system element are usually minor. Water heaters located in the garage may terminate on the garage floor with the same distance requirements. Eligible for Return, Refund or Replacement within 30 days of receipt. - the incident has nothing to do with me; can I use this this way? Why do small African island nations perform better than African continental nations, considering democracy and human development? This happens when the water in the tankless heater is heated to the point where it starts to produce steam. Could anyone please point me where I can find the 2 internal drain valve? What is a normal drip rate for a condensing tankless hot water heater? Beyond that, some experimentation is likely called for. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. NPE 2 Condensing Tankless Water Heaters Navien NPE-2 High Efficiency Condensing Tankless Water Heaters NPE-A2 Series Navien Tankless Water Heater Reviews 2022 | Water Tech Guide Navien offers the industry's most advanced condensing tankless water heaters, condensing boilers and the first combi-boilers strong enough to support . Having the industrys strongest commercial warranty and customer support gives everyone more peace of mind. 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. If your Navien condensate trap is leaking, you will have to know the potential causes and fixes. Besides providing hot water where and when its needed,the NPE-2 Series offer homeowners the following benefits: Benefits of Navien Condensing Tankless Water Heaters, 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. Seems like the water here is very hard. The best answers are voted up and rise to the top, Not the answer you're looking for? [{"displayPrice":"$35.95","priceAmount":35.95,"currencySymbol":"$","integerValue":"35","decimalSeparator":".","fractionalValue":"95","symbolPosition":"left","hasSpace":false,"showFractionalPartIfEmpty":true,"offerListingId":"6cij%2FI6Lfn8ENDnJVFPS5KSATGTDDFvFqWYsWPaj3jbs4aiqyvL7Dsp3iLGSYGUgbsiwStGwtrWYwcXDMMkrIlurqWJc7380oTo%2BE4k6TuIQeV2us0GLtep1aYs2ENAqmcYYiz52U%2FJXQcjtz7WZ2ywQnetjyE4jwW8R8092iIEtsmNt8ZmdCRyE7K%2B%2FG4rv","locale":"en-US","buyingOptionType":"NEW"}]. Have you--just as a routine maintenance issue--cleaned and refilled the condensate trap itself? Doesn't analytically integrate sensibly let alone correctly. Post your model number so I can look up the schematic and exploded view. Tankless Water Heater | Plumbing code installation Includes initial monthly payment and selected options. Not heating for long period of time. The leak can only be stopped when I close the cold water inlet. 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. Watching this less than 2 minutes video will explain the reason and fix it. T&P line must be looking downward with no threads on the end. Navien Condensate Trap Leaking: Reasons And Troubleshooting. You talking about the inlet/outlet valve? Navien Tankless Water Heater Maintenance - YouTube NPE-240S 1 Condensate Neutralizer Kit. Why does it seem like I am losing IP addresses after subnetting with the subnet mask of 255.255.255.192/26? Thank you very much for your help. We might be able to do something about it. Condensation inside Navien tankless water heater Heating Help: The Wall Home Domestic Hot Water Welcome! 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. Because water vapor condenses inside the unit as the exhaust gas cools, condensing tankless water heaters require a drain (and potentially a pH neutralizer) to dispose of the acidic condensation water. If it is going through a neutralizer, is there any issue with letting the water flow into landscaped areas to water plants? link to Red Label Abrasives Vs. When the condensate exists in small bursts, it is less prone to freezing. 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. They called Navien and unfortunately my serial number was never registered so Im told it isnt under warranty. If you need to replace the condensate drain fitting, it is important to use a Navien-approved replacement. Called plumber over to take a look. That means it cools the exhaust gas below the boiling point of water, thus causing most of the water vapor there to. A tankless water heater does not need a drain. If your o-ring is damaged or worn, it can cause water to leak out of the unit. The heat exchange can corrode which leads to small metal bits getting stuck in the trap and eventually clogging the condensate drain. Full text of the 'Sri Mahalakshmi Dhyanam & Stotram'. Cooler exhaust means you have a wider range of venting material options, including PVC and polypropylene. Naviens standard ultra high-efficiency condensing tankless water heaters. ${cardName} unavailable for quantities greater than ${maxQuantity}. Hope that helps someone. Most technician said there might be a leak in the heat exchanger. The condensate drain is there to make sure that this water doesnt build up and cause problems. First-time installation costs run more than a simple tank replacement. Navien condensing stainless steel heat exchangers recover extra heat that would be lost in non-condensing boilers. Be sure to report back after you've figured it out. Technically, boiler condensate is not dangerous in any way. Check out the deal on Navien 20006947A O-Ring P18 Black at TanklessParts.com, Check out the deal on Navien 30009933A O-Ring Kit at TanklessParts.com, Check out the deal on Navien 30008360A Check Valve for NPE Series at TanklessParts.com. When the water temperature inside the tank drops below 110 F. Once the water inside the tank is heated above 115 F, condensation should stop. The table below shows the minimum drain size for each model. Contractors can save hours of installation by using economical PVC venting and Naviens new Ready-Link Rack system for wall or free standing mounting of multiple units. Replacing a whirl-pool dishwasher drain hose extension is quick and easy, taking only a few minutes, saving time and effort. This water is then drained away, keeping your Navien water heater clean and free of any build-up. Building owners or property managers appreciate the efficiency, reliability and durability of Navien tankless water heaters over outdated tank systems. If you notice that your Navien water heater is leaking, its likely that the condensate drain is the culprit. I'm looking to install a Natural Gas Tankless (condensing) water heater (likely Navien 240). Is it possible to rotate a window 90 degrees if it has the same length and width? But, really, from your video, it looks like a vacuum-related issue. Please make sure that you are posting in the form of a question. The boiler condensate created within your appliances will safely be drained along with wastewater. If your Navien tankless water heater is not draining properly, it may be due to a clogged condensate trap. Navien Tankless Water Heater Condensate Drain - Heaterview Yesterday I noticed lots of water coming out of the condensate drain. The condensate is a product of combustion of the hydrocarbon fuel: hydrocarbon + oxygen > carbon dioxide + water. The O-ring between the flow sensor on the inlet was bad. If so, please leave a comment and let me know. Does a summoned creature play immediately after being summoned by a ready action? Your email address will not be published. That section of the drain coming off the condensate trap retaining just enough suction to prevent it from flowing. Navien tankless water heaters have a lifespan of up to 20 years. Basic Maintenance of a Navien NPE A tankless water heater Condensation inside Navien tankless water heater The boiler then detects that condensate cannot be expelled anymore and it shuts down. The flow only occurs during programmed "off" periods, but not always. A drop in temperature makes the gases condense. The condensate trap is designed to catch any water that condenses inside the unit. High Efficiency Water Heaters & Boilers for Homes | Navien Why does Mister Mxyzptlk need to have a weakness in the comics? Full content visible, double tap to read brief content. High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. In the toilet or sinks case, however, it is to prevent bad sewer odor from entering your home. Sold by msflips and ships from Amazon Fulfillment. Navien condensing tankless water heaters and condensing boilers solve issues of reliability, durability, operating efficiency . Brochures, Manuals & Documents | Navien I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. Mutually exclusive execution using std::atomic? You accept the use of cookies as described in our, How Condensing Tankless Water Heaters Work. But condensing units require a drain, which can limit your installation location options. But, as it is only a bit acidic, this poses no threat to health. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Learn how your comment data is processed. Do roots of these polynomials approach the negative of the Euler-Mascheroni constant? You must log in or register to reply here. The good news is that the Navien tankless water heater is designed to handle this condensate and drain it away from the unit. Once the water has drained, plug the unit back in and turn it on. Frozen Condensate Line: Recognizing, Preventing & Fixing It These extremely efficient and eco-friendly units provide extra energy savings over traditional tank and non-condensing tankless water heaters. Only one quick shower read more It also means you can use inexpensive PVC pipe for venting. Prices range from about $170 for small gas-fired units to more than $2,000 for high-output heaters that can supply two showers at the same time; $1,000 is about average. The temperature of flue gases decreases rapidly during this process, going down to 50 from 130.