The condensate trap is designed to catch any water that condenses inside the unit. If not, please tell me how I can improve this article. Save my name, email, and website in this browser for the next time I comment. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. The Navien NPE-2 series is a line of high-efficiency condensing tankless water heaters featuring a user-friendly control panel. A lot of water continuously flow through the condensation line even the heat exchanger is not operating. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. A clogged drain can cause serious problems, including water damage to your home. Burner condensate runs 2-4 ph litmus paper to test it. Strange. 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. How to perform annual maintenance on your Navien instantaneous water heater. However, its important to make sure that your condensate drain is clear and unobstructed so that the water can drain properly. Most technician said there might be a leak in the heat exchanger. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. 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. Is the neutralizer designed to protect cast iron drains or is it required to protect septic systems or to satisfy regulatory requirements? Full content visible, double tap to read brief content. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. Please try again. Before installation or repairs begin, make sure your service specialist calls Navien's Technical Support Department while in front of your unit: 800-519-8794, option 2. I don't know if it's just an open port or if there some sort of valve or venturi involved. Learn more about our products for home owners. Yesterday I noticed lots of water coming out of the condensate drain. The condensate line removes the moisture collected on the evaporator coil in your furnace or central air conditioner. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. How would "dark matter", subject only to gravity, behave? Different contractors? Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. Connect and share knowledge within a single location that is structured and easy to search. 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. Why do we calculate the second half of frequencies in DFT? Condensing technology reduces energy consumption and greenhouse gas emissions. But, it if were clogged, why would condensate be leaking out of it? - the incident has nothing to do with me; can I use this this way? They said theyve never seen this problem before. Required fields are marked *. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How to use Slater Type Orbitals as a basis functions in matrix method correctly? HeyRalph is here! I think an air gap of some sort is in order. Do roots of these polynomials approach the negative of the Euler-Mascheroni constant? There are 0 customer reviews and 2 customer ratings. It only takes a minute to sign up. How do/should administrators estimate the cost of producing an online introductory mathematics class? Combat Abrasives belts are more famous and considerably used by a greater number of buyers than Red Label Abrasives. That means it cools the exhaust gas below the boiling point of water, thus causing most of the water vapor there to. I have a 3 year old Navien 240a tankless water heater. Yes, cold weather can affect your hot water heater. T&P line must be looking downward with no threads on the end. I have had the same issue with a lot of cold water coming out of the condensate drain. In general, there are two types of condensate traps ones that come with auto-siphons and ones that dont. I have called Navien and several plumbers and it seemed like nobody had a clue what was going on. 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. Commercial solutions from the leader in condensing technology. Red Label sells a much more expensive belt than Combat because Combat is cheaper. Lovesac Sactional Alternatives To Consider For Your Sweet Home. Edit: I've spoken to the manufacturer who have zero specs on this. The unit is designed to heat water on demand, so there is no need to store hot water in a tank. But did you know that your Navien tankless water heater can also produce condensate? 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. We hope this article helps you make the right call. What, if any, treatment is required before irrigation use will depend in part on your local conditions. You do not have to be concerned about that. Overview Ultra-high efficiency condensing tankless water heaters > NPEA2 Series > NPES2 Series High efficiency non-condensing tankless water heaters > NPNE Series > NPNU Series Combi-boilers A lot of water continuously flows through the condensation line even the heat exchanger is not operating. 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. Another key factor to consider is the quality of life. Please try again later. This part ensures that any condensation that forms on the unit is properly drained away, preventing any damage to the unit or your home. When condensate pipes exist in regions where the cold can get rather extreme, leaking pipes pose an additional threat to the pipe. Okay to use cold water drain valve on tankless gas water heater as a spigot? Condensing tankless water heaters use a combination of two heat exchangers in the heating process. You accept the use of cookies as described in our, How Condensing Tankless Water Heaters Work. For the Nozomi from Shinagawa to Osaka, say on a Saturday afternoon, would tickets/seats typically be available - or would you need to book? Condensation inside Navien tankless water heater This condensation is actually good for the heat exchanger because it helps to keep it clean and free of scale. Why would turning on/off hot water when the toilet is flushing cause the tankless pressure relief valve to release water? Some people like to sleep there and have long conversations. Is it usually possible to transfer credits for graduate courses completed during an undergrad degree in the US? Plumbing Forum, Professional & DIY Advice. What is the difference between paper presentation and poster presentation? Error posting question. After that, it flows to the condensate trap. Naviens high efficiency and eco-friendly condensing technology can reduce energy consumption by 20% and significantly reduce greenhouse gas emissions.Navien condensing tankless water heaters and condensing boilers solve issues of reliability, durability, operating efficiency, energy and water conservation, installation and customer support for commercial applications throughout North America. If the temperature No, a water heater is not part of an HVAC system. You talking about the inlet/outlet valve? The installer & distributor say the condensate will be 2 Gallons per hour (which seems to be the manufacturers maximum number). High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. The boiler condensate created within your appliances will safely be drained along with wastewater. If you have a Navien tankless water heater that is not listed in the table, you can contact Navien customer service for more information. Inside a condensing tankless water heater, the combustion process superheats the water that enters your shower, sink, etc. Maybe it was forgotten when maintenance was performed 9 months ago. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Spent a few minutes looking at mine. Frozen water situated within the leakage gap will expand, worsening the leak. When the heater is idle, expect none. Boiler was unplugged at the time. In addition, the waters warmth can comfortably shift the ice if it starts to form. It only stops if I shut off the water valve. So, it drains out through the condensate line. I changed it, but it now leaks from the condensation hose. Over time, this water can build up and cause the trap to become clogged. 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. In Conclusion For homes with extra high demand, NPE-2 Series units can be cascaded without an external control. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. This seemingly insignificant part is capable of bringing your Navien boiler to its knees. 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. Not heating for long period of time. I have a 3 year old Navien 240a tankless water heater. In the toilet or sinks case, however, it is to prevent bad sewer odor from entering your home. Heavy duty solid brass garden hose shut off valve, fit any 3/4" GHT (garden hose thread) watering equipment. HotButton on-demand recirculation option with built-in controller. Blocked condensate traps are generally a result of not servicing your boiler for a long time. These extremely efficient and eco-friendly units provide extra energy savings over traditional tank and non-condensing tankless water heaters. They called Navien and unfortunately my serial number was never registered so Im told it isnt under warranty. Thank you very much for your help. The leak can only be stopped when I close the cold water inlet. Our condensate trap is leaking and it looks like the plug is missing an O-ring that would help it seal. The table below shows the minimum drain size for each model. Non-condensing units have an efficiency rating of 0.81 UEF, which is still far more efficient than tank-style water heaters. We might be able to do something about it. Most technician said there might be a leak in the heat exchanger. But did you know that your Navien water heater also has a condensate drain? The O-ring between the flow sensor on the inlet was bad. But condensing units require a drain, which can limit your installation location options. Full text of the 'Sri Mahalakshmi Dhyanam & Stotram'. It looks like you're using an ad blocker. The boiler then detects that condensate cannot be expelled anymore and it shuts down. Hope that helps someone. Have a Navien NCB-210 that's been running well and Dana helped me tune last year. Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. 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. A condensate pipe devoid of an auto-siphon may be shaped like a "U." Regardless of the variant of condensate traps, they are always constructed from plastic, similar to other Navien boiler parts which regulate condensate. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. Enhancements you chose aren't available for this seller. 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 For a better experience, please enable JavaScript in your browser before proceeding. Low humidity environment does not reduce the condensate output of a condensing tankless water heater or combustion furnace. In my area, the water is slightly alkaline and the city doesn't require condensate neutralizers. Humidity will have little to no effect. They were not helpful. The steam then condenses on the cold water lines and drains back into the tankless water heater. 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. Thanks. Tagaki support wouldn't even say that a gallon a minute was excessive. They understandably have to hesitate, when, if un registered, have chance that installer did not follow guidelines. Amazon has encountered an error. Next, remove the access panel to the condensate trap. They use less energy (and money) than traditional water heaters because they don't need to reheat the water over and over. In one post with a similar issue, actually had to replace the 2 internal drain valve to fix the problem. If you need to replace the condensate drain fitting, it is important to use a Navien-approved replacement. Newer-day energy sustainability guidelines have forced companies to think of a way to reduce waste. 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. Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.Learn more how customers reviews work on Amazon. When you turn on the tap, cold water enters the unit and is rapidly heated to the desired temperature. All I needed was an adapter to convert the 1/2\" male pipe thread to a hose barb for some clear PVC tubing. As you recommended, I hired a technician and he repaired it. If youre not sure how to do this, you can always contact a Navien service technician to help you out. 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. Another way to drain the condensate is to hook up a hose to the drain valve and run it to a drain or outside. 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. What order of work? Some of it will condense on the heat exchanger. Some of these items ship sooner than the others. Save my name and email in this browser for the next time I comment. If your Navien tankless water heater is still not draining properly after cleaning the condensate trap, it may be due to a more serious issue. Making statements based on opinion; back them up with references or personal experience. But what exactly is the condensate drain, and why does your tankless water heater have one? Protect the water supply and water heating equipment with eco-friendly water treatment solutions. You can probably get it from a plumbing store, or order online. Minimum inch T&P drain to terminate "outside" of the building no closer than 6 inches or further than 24 inches from grade. Here are the website rules, as well as some tips for using this forum. This is because when the water is heated, it produces condensation that needs to be drained away. Navien OEM O-Rings. This happens when the water in the tankless heater is heated to the point where it starts to produce steam. Non-condensing tankless water heaters are smaller than comparable condensing models and offer more flexibility for installation since they don't need a drain. (CPC- UPC 505.6 CPC & 505.4, 508.5 & 608.5). Test boiler water just for a baseline. There are several reasons why the water heater condensation occurs: The flue gases are cooled below their "dew point" when having the cold air supply. Zoom in and look at "O"& "P", is that where it's broke/leaking? Tankless water heaters are very efficient since there is no heat loss from a stored tank of hot water. Mine is 1/2. ${cardName} not available for the seller you chose. Is this excessive or normal? Boilers are susceptible to wear and tear over time like any other household appliance. The good news is that the Navien tankless water heater is designed to handle this condensate and drain it away from the unit. I dont know where to start though. This might involve cutting a hole in the exhaust pipe and attaching a hose to it. I have a Tagaki T-H3-DV-N (Indoor) tankless hot water heater. Can I tell police to wait and call a lawyer when served with a search warrant? Making statements based on opinion; back them up with references or personal experience. Water Heater (Tankless), Furnace, Chimney? These tankless water heaters can be installed indoors or outdoors, for residential or commercial use. Battery backup system for tankless gas water heater (outdoor install). It is important to keep this fitting clean and free of any debris, as it can clog and cause problems with the units operation. The best answers are voted up and rise to the top, Not the answer you're looking for? Hello recently my old 50gal gas water heater developed a crack and started leaking. Condensing tankless water heaters need a condensate drain. The condensate is a product of combustion of the hydrocarbon fuel: hydrocarbon + oxygen > carbon dioxide + water. Before the condensate is expelled through the condensate pipe, the water is accumulated in the sump of the boiler. I have a 3 year old Navien 240a tankless water heater. Naviens standard ultra high-efficiency condensing tankless water heaters. Today we have no hot water--the intake may read more EricK1229 Master Plumber Associate 213 satisfied customers Navien trouble. Efficient, durable and high-performance products for any commercial application. If so, where can I purchase one? First off, Navien tech will provide support, even out of warranty. A small reed bed filter (see virtually any permaculture reference book/website) or the like might be beneficial before feeding to more sensitive plants - condensate is often a bit weird due to minor combustion byproducts other than water. If your o-ring is damaged or worn, it can cause water to leak out of the unit. Thanks for contributing an answer to Home Improvement Stack Exchange! What Is A Condensate Line? Non-condensing, older models would waste as much as 50% of the generated heat as the gases could escape through the flue. I am planning the drain line (which will have a neutralizer on it to reduce the acidity). The heat exchanger is the part of the tankless water heater that actually heats the water. As an Amazon Associate, I Earn From Qualifying Purchases. You may receive a partial or no refund on used, damaged or materially different returns. NPE 2 Condensing Tankless Water Heaters Navien NPE-2 High Efficiency Condensing Tankless Water Heaters NPE-A2 Series Youll need to make sure the hose is properly secured so that it doesnt come loose and cause problems.
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