When you replace the trap, ensure that the o-ring is correctly in place. I removed the cover and noticed the top of the pump was leaking (where the red cap is) and the bottom of the heat exchanger was covered with brown oily drops. Bad Installation. Check for leaks, clogs, and other issues causing high pressure or other problems. The drip is coming from the bottom, middle of the unit where there is a white cap. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. Navien Recalls Tankless Water Heaters Due to Risk of Carbon Monoxide Poisoning Consumers should immediately stop using and check the model and manufacture year information on their Navien water heater. WebFebruary 2019. If left unattended, it can damage the control board and the other components in your unit. Just install a drain pan. An example of data being processed may be a unique identifier stored in a cookie. However, that also means that the volume of condensate coming down the pipe during each wave is higher, and you would notice leakages more. If any particular ad is your REASON for blocking ads, please let us know. I have the same oily issue. High water flow rates Then restart; Remove and clean the inlet water strainer; Check the automatic flow adjustment valve; Flush the tankless water heater; Available Parts: Water Inlet Filter; Water Adjustment Valve: NPE-A; WebNavien CH 180 Leaking Water Base of Secondary Heat Exchanger Mikey Pipes - Pipe Doctor Plumbing & Heating & Air 6.5K views 2 years ago RINNAI TANKLESS WATER Loose Or Dirty Parts Solution: 4. A bad Control Board. I have a near constant drip coming from my Navien, tankless water heater. WebNavien tankless water heater E110 code: Easy steps to fix; Navien tankless water heater maintenance: Clean & Descale; Tankless water heater leaking? This is where your water supply comes from. If you have identified that you have hard water, you need to flush the system and remove the sediment that has built up over time. A: Water heaters can leak due to a number of problems, including loose valves, excessive pressure in the tank, or issues with the pipes that connect to the unit. Leak-related issues cause this problem most often, as when theres a leak a water heater will continuously work to replace the leaking water. Without water flow, the control board will not activate the flame to heat the water. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with 2. Lack of adequate venting will cause water leakage, and it is a well-known culprit for tankless water heaters. Loose Heat Exchanger Solution: 7. If so, where can I purchase one? It started to leak from the water adjustment valve. As described previously, my CH-240 ng is leaking, from what I understand to be a pump. by using wintertime fuel use against heating degree-day data. Thatll reduce its longevity and cause it to crack. find and stop the leak; GPM in Tankless water heaters: How to calculate it to choose; How to reset a tankless water heater: An easy guide to Fix; Tankless Water Heater Expansion Tank: A Must Do you think the water droplets are all oil? GoTankless Service Department 647-925-1930 ( GoTankless is a trusted tankless specific company operating out of Toronto, Ontario) Navien Technical Help Line 1-800-519-8794 (Great solution for the Do It Yourself crowd) Navien Warranty details Find out more HERE (should be accurate for Canada and Ontario) Additional Issues Read The unit is configured for scheduled recirculate times. All Right Reserved by HeaterFixLab. Hard Or Acidic Water. Navien O-Ring P18. GoTankless Service Department 647-925-1930 ( GoTankless is a trusted tankless specific company operating out of Toronto, Ontario) Navien Technical Help Line 1-800-519-8794 (Great solution for the Do It Yourself crowd) Navien Warranty details Find out more HERE (should be accurate for Canada and Ontario) Additional Issues Read I am Ralph Wade and welcome to my blog. Obstruction In Pipes Solution: 10. Thanks. Wiping it your rubbing the film off with the water, really strange. As an owner of a water heater, you need to know about the water conditions in your house. But, it if were clogged, why would condensate be leaking out of it? WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. No power to the unit. The drain valve is located at the bottom of the unit and is used to remove excess water from the tankless water heater. WebWater leak inside unit: 1. At this point, the boiler will stop working automatically for safety reasons. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. A bad Flow sensor. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); This site uses Akismet to reduce spam. This is where your water supply comes from. 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. How Are Navien Tankless Water Heaters To Be Cleaned Properly? Excessive sediment buildup. When you notice your water heater leaking, close off the water supply valve leading to the tank (it should be labelled cold somewhere on top of the tank). #1. You might also want to CAREFULLY take some very fine wire or a toothpick and try and clean out the weep hole. The unit was installed in 2016. The tech said he would ship a new o-ring for the pump cap but he was not sure about the droplets on bottom of heat exchanger. It goes without saying that water leaking from any part of your home is not ideal, let alone acidic water leakage. The first thing you should do is try and identify the leak in a short time. Itll wreak havoc on your Navien tankless water heater with time if you dont do anything about 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. In general, there are two types of condensate traps ones that come with auto-siphons and ones that dont. Was doing maintenance on my unit this morning and noticed exact same issue as shown in photos above. The tankless water heater from Navien keeps tripping the breaker in the circuit. WebThere seemed to be condensation forming on the bottom of the secondary heat exchanger. NPE Save my name and email in this browser for the next time I comment. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Step 3 will show you how. You might hear pop noises due to the pressure. Be sure to report back after you've figured it out. It seems that the condensate gets stuck in the syphon and overflows. Otherwise, call in an expert for a proper diagnosis. Check the circulation PUMP. Improperly installing a tankless water heater can lead to leaks caused by weak pipe connections, a poor venting system, or a too-high water flow. Youd have to replace them in that situation. The first place to check is the plumbing pipes above the water heater. Your email address will not be published. find and stop the leak; GPM in Tankless water heaters: How to calculate it to choose; How to reset a tankless water heater: An easy guide to Fix; Tankless Water Heater Expansion Tank: A Must WebWater heater leaking from the bottom can be a result of defects from different components of the unit. Leaks can also stem from blocked pipes or mineral buildup from hard water. Combat Abrasives belts are more famous and considerably used by a greater number of buyers than Red Label Abrasives. It also prevents scalding when you turn up the temperature on your heater. Our condensate trap is leaking and it looks like the plug is missing an O-ring that would help it seal. Unfortunately, thats not the case with heat exchangers. The next step is to stop the flow of the cold water supply into your water heater. Add about 6 liters of vinegar to a clean bucket. Make sure the hot water hose is in the bucket and braced so it does not flail when the vinegar is being pumped through it. A bird can also build its nest in the exhaust pipe and end up clogging it. High water flow rates If you'd like to support the site, please allow ads. The minerals present in hard water will build up in the piping system over time. If condensation continues, it might fall on the entire system. The wire harness was dried out and falling apart. Just connect it to one of the pipes and get a reading. What You Need to Know About Navien Equipment. No water flow into the Unit. For a better experience, please enable JavaScript in your browser before proceeding. https://www.navieninc.com/series/npe-s/faq#collapse1202. If we compare, this time is lower than other units. Manage Settings We have also experienced some issues with non-constant hot water, but only at some sinks. This tip is applicable if you have hard water in your home. Tankless water heaters primarily develop leaks is due to improper installation. GoTankless Service Department 647-925-1930 ( GoTankless is a trusted tankless specific company operating out of Toronto, Ontario) Navien Technical Help Line 1-800-519-8794 (Great solution for the Do It Yourself crowd) Navien Warranty details Find out more HERE (should be accurate for Canada and Ontario) Additional Issues Read With excessive sediment buildup, water and air will concentrate at the bottom of the tank, causing a pressure buildup. I have a navien Sorry I did not take more video when the cap was out, but it is pretty obvious once you get it removed.Part information for what I ordered (may be specific to this unit, best to confirm part information for your unit): NAVIEN 20018013A O-RING 31.7x3.5, NPE,SILICONE. Navien Recalls Tankless Water Heaters Due to Risk of Carbon Monoxide Poisoning Consumers should immediately stop using and check the model and manufacture year information on their Navien water heater. Im wondering if the plastic had some kind of coating and the droplets are water. You can place a drain pan under the heater if you see water coming out of the condensate drain. There are two pipes connected to the top of your water heater tank. Firstly, problems associated with any condensate system element are usually minor. I don't know if it's just an open port or if there some sort of valve or venturi involved. If none are discovered, the device should be left detached, and the breaker should be turned back on. I think an air gap of some sort is in order. It is located on the lowest corner opposite the on and off button. So, did you find this article useful? At times, the heat exchanger can leak at the top of the gasket. If you dont find your tankless water heater dripping from the bottom anymore, then youve solved the problem. Consumers with recalled water heaters should immediately contact Navien to schedule a free repair. That looks like an old CH unit that have been discontinued but Navien still warranties them. Close the gas valve by turning it to the off position. Press the power button on the front panel to turn off the unit. 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. WebTurn off the water heater for a minimum of 30-minutes. Clean the condensate trap The condensate trap is located at the bottom of the unit. I also notice some water and rusting at the back left corner, near the water outlet point: The NPE-2 series offers ultra-high efficiency up to 0.96 UEF to keep your utility bills low, endless hot water, and exclusive ComfortFlow technology with a built-in recirculation pump and buffer tank. One quick fix you can try on your own is a quick check of your thermostats temperature setting. If your tankless water heater is dripping from the bottom, its most likely due to a loose or damaged drain valve. Obstruction In Pipes Solution: 10. I have a near constant drip coming from my Navien, tankless water heater. These pipes can loosen over time and cause leaks from the heater. Navien tankless water heaters, boilers, and combi-boiler with water tube heat exchangers have a generally good reputation. Press the power button on the front panel to turn off the unit. The next step is to stop the flow of the cold water supply into your water heater. This ensures that there is a water barrier present between the combustion chambers and the condensate pipe of the boiler. I thought maybe the oily residue was from the Oils in the wire harness. WebLocate the reset button on the heaters front control panel. Close cold water main. This could create cracks or holes in the water tank from which water will leak. Water heater was installed in 2014, so this leak developed after about 6 years in operation. Check the water flow sensor. WebStep 3. Any water that has a pH less than 6.5 is acidic. 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. One quick fix you can try on your own is a quick check of your thermostats temperature setting. So, the chances of you having a bad one go even higher if your heater is old. Even setting the water temperature too high can cause too much pressure in your water heater. Navien NHB boilers have a screen on the return connection. Required fields are marked *. 2. It looks like you're using an ad blocker. Dirty Flow Sensor Solution: 8. When you notice your water heater leaking, close off the water supply valve leading to the tank (it should be labelled cold somewhere on top of the tank). Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. There appears to be high failure rates of the exhaust vent gasket at the sheet metal under the vent collar, and failures the combustion chamber A drop in temperature makes the gases condense. A near constant drip coming from the bottom, its most likely due to loose! There recommended condensate drains be 3/4 not 1/2 or other problems the bottom of the unit a proper diagnosis still! Point, the chances of you having a bad one go even higher if your tankless water heaters develop. 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Outlet by using a condensate pipe even higher if your heater any particular ad is your REASON for blocking,. Discovered, the heat exchanger continues, it can damage the control board will not activate the to. Your water heater warranties them in this browser for the next step is to stop flow. Clogging it with non-constant hot water, but only at some sinks ng is,... Point, the boiler ad is your REASON for blocking ads, please let us know this morning noticed... Safety reasons will build up in the circuit, there are two pipes connected to the and. Is taken out of the cold water supply into your water heater is dripping from bottom! Save my name and email in this browser for the next step is to stop the flow of unit... In general, there are two types of condensate traps ones that come with auto-siphons ones... A Navien boiler can produce up to 2 liters of vinegar to a loose or damaged drain valve less... 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