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. In one post with a similar issue, actually had to replace the 2 internal drain valve to fix the problem. 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. How to avoid Problems due to Condensation - Home Water Heater 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. Replacing a whirl-pool dishwasher drain hose extension is quick and easy, taking only a few minutes, saving time and effort. link to Red Label Abrasives Vs. 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. Learn more about Stack Overflow the company, and our products. 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.*. 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. 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. Enhancements you chose aren't available for this seller. What, if any, treatment is required before irrigation use will depend in part on your local conditions. Yesterday I noticed lots of water coming out of the condensate drain. Does the plug have an O-ring? I have a 3 year old Navien 240a tankless water heater. However, not all of the water will turn to steam. Brochures, Manuals & Documents | Navien ${cardName} not available for the seller you chose. Condensing tankless water heaters offer higher flow rates, an efficiency rating of up to 0.96 UEF, and allow the use of more cost-effective venting materials such as polypropylene or PVC. Why are physically impossible and logically impossible concepts considered separate in terms of probability? Watching this less than 2 minutes video will explain the reason and fix it. To see our price, add these items to your cart. Navien condensing technology provides up to 0.96 UEF. rev2023.3.3.43278. Frozen and clogged condensate pipes are the answer to why your boiler is leaking. I had the exact same problem. It is a possibility that the heat exchanger is compromised and the leak cold be leaking burner side running out the conensate. The heat exchanger is the part of the tankless water heater that actually heats the water. However, keep in mind that this liquid can corrode certain materials such as mental. Full text of the 'Sri Mahalakshmi Dhyanam & Stotram'. The Takagi tankless water heater I installed is a condensing model. Non-condensing, older models would waste as much as 50% of the generated heat as the gases could escape through the flue. Navien Now Doing Business in Canada as Navien Canada, Inc. Navien Begins Shipping PeakFlowC Commercial Scale Prevention Systems, Usually higher than comparable non-condensing, Lower than typical non-condensing tankless and storage tank system, Could be higher than condensing but lower than storage tank systems, Stainless steel heat exchanger extend service life, Slightly larger than non-condensing, about 70-80% smaller than tank system, Slightly smaller than condensing, 80% smaller than tank system, Much more energy efficient than old fashioned tank systems, Backed by the industry's strongest warranty 15 years on heat exchangers, Takes about 80% less space than old fashioned tank heaters, Ideal for replacements or new construction. If the temperature No, a water heater is not part of an HVAC system. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. You may receive a partial or no refund on used, damaged or materially different returns. I live in a desert area with a very low humidity (<15% normally) so 2 GPH seems excessive to me. The PVC exhaust technology has made the installation easier. We might be able to do something about it. Protect your water supply and your water heating equipment with eco-friendly water treatment solutions. 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. Amazon has encountered an error. What order of work? 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 former Navien fan-boy he has installed hundreds of Naviens, but has pretty much given up on trying to get them to fix this. Over time, this water can build up and cause the trap to become clogged. Boilers are susceptible to wear and tear over time like any other household appliance. Learn how your comment data is processed. Navien flow out condensate line Heating Help: The Wall That's where they usually freeze and brake/crack. Why does Mister Mxyzptlk need to have a weakness in the comics? Zoom in and look at "O"& "P", is that where it's broke/leaking? How to tell which packages are held back due to phased updates. I have a 3 year old Navien 240a tankless water heater. When the condensate exists in small bursts, it is less prone to freezing. How would "dark matter", subject only to gravity, behave? Why do we calculate the second half of frequencies in DFT? . Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. You accept the use of cookies as described in our, How Condensing Tankless Water Heaters Work. 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. Condensing gas tankless water heaters include a second heat exchanger which uses heat from the exhaust gas to preheat incoming cold water. Condensation inside Navien tankless water heater Heating Help: The Wall Home Domestic Hot Water Welcome! I know some desert soils are very alkaline and might neutralize acidic condensate quite well themselves. Thank you jmon. Edit: I've spoken to the manufacturer who have zero specs on this. I'm planning on piping it away from the heater closet (on outside of house). That means it cools the exhaust gas below the boiling point of water, thus causing most of the water vapor there to. Because water vapor does not condense inside the unit, there is no drain required for installation. Just put calcium carbonate rocks in my condensate water pump or buy a whole condensate kit? Mine is 1/2. Is this excessive or normal? 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. Garden Hose Qucik Connect Repairing & Washer. There are 0 customer reviews and 2 customer ratings. 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. But the water flowing out the condensate drain is continuous. So, it drains out through the condensate line. Does a summoned creature play immediately after being summoned by a ready action? Boiler was unplugged at the time. About Us: The Leader in Condensing Technology | Navien Condensate pipes are infamous for freezing and developing blocks in the winter months. Spent a few minutes looking at mine. Navien OEM O-Rings. As the heat transfer process causes water vapor to turn back into liquid, that water has to get out of the system. If your Navien tankless water heater is not draining properly, it may be due to a clogged condensate trap. 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. For the Nozomi from Shinagawa to Osaka, say on a Saturday afternoon, would tickets/seats typically be available - or would you need to book? When you turn on the tap, cold water enters the unit and is rapidly heated to the desired temperature. As such, volume per day will depend on your hot water usage. Please try again later. Could anyone please point me where I can find the 2 internal drain valve? Heavy duty solid brass garden hose shut off valve, fit any 3/4" GHT (garden hose thread) watering equipment. But condensing units require a drain, which can limit your installation location options. Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. NPE-180S Thank you to everyone who posted here! Blocked condensate traps are generally a result of not servicing your boiler for a long time. T&P line must be looking downward with no threads on the end. A lot of water continuously flow through the condensation line even the heat exchanger is not operating. Shipping cost, delivery date, and order total (including tax) shown at checkout. I replaced it with a tank-less gas heater. Most technician said there might be a leak in the heat exchanger. It looks like you're using an ad blocker. I had the same issue. This is necessary as noxious fumes need to be expelled through the flue instead of the condensate pipe. Drain Hose Fit most Ductless Mini Split Air Conditioner and Heat Pump Systems. If you have a Navien tankless water heater, you know that one of the most important parts of the unit is the condensate trap. Please make sure that you are posting in the form of a question. * Based on Energy Guide cost estimates using $1.09 per therm of natural gas. If it were clogged, it might explain what was happening and what your video showed. Does anyone have any perspective on likely actual condensate volume? 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. HeyRalph is here! Non-condensing units have an efficiency rating of 0.81 UEF, which is still far more efficient than tank-style water heaters. Where is the 2 internal drain valve in Navien 240a tankless water Hi. As you recommended, I hired a technician and he repaired it. The condensate trap is designed to catch any water that condenses inside the unit. Metal-based fittings cannot be used as the condensate itself is a bit acidic in nature and will corrode metal. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Take love :). 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. Efficient, durable and high-performance products for any commercial application. The heating engineer will clear out the debris from the trap during this time, preventing the buildup of sediment.