A drop in temperature makes the gases condense. I changed it, but it now leaks from the condensation hose. Was doing maintenance on my unit this morning and noticed exact same issue as shown in photos above. Boilers are susceptible to wear and tear over time like any other household appliance. Has anyone determined how the oil droplets form? Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. Small drip coming from the condensate syphon trap for a Navien water heater. The installing plumber has never seen it and the supply shop he bought it from has no idea either. A drip from above can easily leak down on top of the water heater and even work its way down the insulation and make it look like the leak is coming from the tank itself. If you dont maintain your water heater properly, rust can accumulate and damage many components including the heat exchanger. Rick is online now Continue Related HVAC Questions Leaks can also stem from blocked pipes or mineral buildup from hard water. Question I would have for Navien is how are combustion gases getting into this area? All other causes are electrical. Consumers with recalled water heaters should immediately contact Navien to schedule a free repair. I think an air gap of some sort is in order. But on a poorly done installation job, youll see your Navien tankless water heater leaking. Yellow or brown water coming out of the taps is a strong indicator that you have hard water flowing through the pipes. Leaking from the bottom of the tank: Source: www.pinterest.com. 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. https://www.navieninc.com/series/npe-s/faq#collapse1202. After that, it flows to the condensate trap. Partially Closed Valves Solution: 6. Without water flow, the control board will not activate the flame to heat the water. Close the gas valve by turning it to the off position. 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. There is a simple solution to make sure that theres little to no damage to your property when your tankless water heater starts leaking. Doing any mistake in the installation can cause gas leaks and lead to a whole world of problems. A condensate trap has two jobs. JavaScript is disabled. We hope this article helps you make the right call. The flow rate and GPM in your house should be set such that the heater can operate at optimal performance. $955 for the replacement on those (and 10-14 day wait No water flow into the Unit. If the plumber throws that to the wind and does the venting however he wants, condensation can cause leaks in the water heater. We already mentioned why the condensate pipe has to be made of plastic and not metal due to the risk of corrosion. Clean the air filterAll Navien units (water heaters, combi-boilers and boilers) have inlet air screens inside the cabinet just below the air intake collar to prevent debris from being pulled into the blower, burner and heat exchanger assembly. The boiler then detects that condensate cannot be expelled anymore and it shuts down. Navien O-Ring P16: E038: Abnormal circulation pump: 1. Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. Put a drain pan before removing the PRV to avoid having a puddle of water. Check the water flow sensor. If any particular ad is your REASON for blocking ads, please let us know. Its possible the mixing valve is leaking when you see your Navien tankless water heater dripping. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. WebStep 3. Most water heaters have a shutoff valve on the cold supply inlet pipe. 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. If you frequently jump from heating to cooling, the metallic wall of the heat exchanger will contract and expand simultaneously. The level of PH in the water determines how fast acidic water will damage your system. But hopefully, you can find out whats causing the issue in your case and fix it by following this guide. Obstruction In Pipes Solution: 10. Your water heater will start to leak if this valve goes bad. A leaking water heater can have a bad anode rod or excessive sediment buildup that eats away at the tank. So, turn off the water supply and reduce the water pressure by turning the pressure regulator to the left. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. 2. If not, please tell me how I can improve this article. In the meantime get a carbon monoxide detector for your furnace room. At times, the heat exchanger can leak at the top of the gasket. Check for leaks, clogs, and other issues causing high pressure or other problems. Most water heaters have a shutoff valve on the cold supply inlet pipe. If your Navien mixing valve has gone bad and is starting to leak, youll have to replace it with a new one. Drain valves are fairly inexpensive. So, follow the instructions to the tee to avoid this issue. WebLocate the reset button on the heaters front control panel. But with time, they can go bad and develop leaks. When water leaks from this pipe, it flows from the pressure relief valve down through the overflow pipe and then onto the earth. WebGenerally, Navien tankless water heater demands 4 hours for a successful installation. Tripped breaker. Needs to be a pipe. 2. So the rubber seal was replaced and a new strait pipe installed. This is necessary as noxious fumes need to be expelled through the flue instead of the condensate pipe. COPYRIGHT 2023. Another key factor to consider is the quality of life. Very straightforward repair once you obtain the o-ring part (cost $3 online, I bought two). In the toilet or sinks case, however, it is to prevent bad sewer odor from entering your home. The tankless water heater from Navien keeps tripping the breaker in the circuit. Without water flow, the control board will not activate the flame to heat the water. It may not display this or other websites correctly. This could be caused by a damaged unit or water leaking on the wiring. Frozen and clogged condensate pipes are the answer to why your boiler is leaking. Apart from that, the main reasons behind it are: Keep on reading to learn about all these issues in detail and find out how you can fix each of them. Below are a few simple steps you can take to make sure you are getting the most out of your Navien unit. Shut off the water supply valve on the inlet to the water heater. The consent submitted will only be used for data processing originating from this website. Combat Abrasives belts are more famous and considerably used by a greater number of buyers than Red Label Abrasives. The flow only occurs during programmed "off" periods, but not always. Attach the cold water intake hose to the sump pump. Its a Its unlikely for tankless water heaters to leak anyways. Acidic water can damage car paint and more. Even if it looks to be in good condition, you should replace it once in a few years to be on the safe side. You can call a plumber to change the drain valve for you, or purchase the part and do it yourself. Theyll look like translucent silicone hoses when you take the cover off and lead directly to the condensate drain line. Place a bucket underneath the water heater to catch water. Have a Navien NCB-210 that's been running well and Dana helped me tune last year. Dirty Flow Sensor Solution: 8. Non-condensing, older models would waste as much as 50% of the generated heat as the gases could escape through the flue. Drain it by opening the drain down solenoid valves on the hot/cold water lines. Heres an example of a pressure gauge reading thats too high. This could create cracks or holes in the water tank from which water will leak. A bird can also build its nest in the exhaust pipe and end up clogging it. If you notice that your Navien water heater is leaking, its likely that the condensate drain is the culprit. 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. Source: terrylove.com. 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 Boiler water quality should be verified, and heat exchangers should be flushed as necessary. Then, switch off the cold water to your unit. Check the circulation PUMP. The flow only occurs during programmed "off" periods, but not always. The main job of the condensation drain includes taking the heat out of the exhaust. Obstruction In Pipes Solution: 10. Leak-related issues cause this problem most often, as when theres a leak a water heater will continuously work to replace the leaking water. Blocked condensate traps are generally a result of not servicing your boiler for a long time. Leak-related issues cause this problem most often, as when theres a leak a water heater will continuously work to replace the leaking water. How often should you change the pressure relief valve? As an Amazon Associate, I Earn From Qualifying Purchases. This type of water is extremely corrosive and can also lead to leaks. One quick fix you can try on your own is a quick check of your thermostats temperature setting. You might also want to CAREFULLY take some very fine wire or a toothpick and try and clean out the weep hole. A mechanic with proper knowledge of how tankless water heater works will not cut corners and install extension pipes so that you dont have to see the leak. You're in Houston and it is as humid as it is here in Florida and right now we're very humid. WebLocate the reset button on the heaters front control panel. How to fix a leaking tankless water heater? Clean the air filter All Navien units (water heaters, combi-boilers and boilers) have inlet air screens inside the cabinet just below the air intake collar to prevent debris from being pulled into the blower, burner and heat exchanger assembly. Close the gas valve by turning it to the off position. High water flow rates Water Hammering Solution: 5. I have a near constant drip coming from my Navien, tankless water heater. 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, Simple Tips for Maintaining Your Navien Unit, 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. A Defective Thermostat. Chances are, there is debris lodged inside that has to be cleaned. Mine is 1/2. How Are Navien Tankless Water Heaters To Be Cleaned Properly? Source: terrylove.com. WebFebruary 2019. The heating engineer will clear out the debris from the trap during this time, preventing the buildup of sediment. The reason behind it is that there is extreme pressure in the boiler. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. If this valve becomes loose or damaged, it can cause The drip is coming from the bottom, middle of the unit where there is a white cap. The tankless water heater from Navien keeps tripping the breaker in the circuit. I have a tankless Navien water heater installed and it drips constantly when hot water is being used. But, it if were clogged, why would condensate be leaking out of it? They can also get frozen in extremely cold climates. I also notice some water and rusting at the back left corner, near the water outlet point: Leak-related issues cause this problem most often, as when theres a leak a water heater will continuously work to replace the leaking water. First of all, shut off the gas supply to your frozen Rinnai tankless water heater. Take off the inlet filter on the cold water line. In general, there are two types of condensate traps ones that come with auto-siphons and ones that dont. You do not have to be concerned about that. I also notice some water and rusting at the back left corner, near the water outlet point: I have a navien 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. So, did you find this article useful? Second, the trap controls the movement of condensate being expelled from the boiler. As the name suggests, the mixing valve combines both hot and cold water to give you the water of your desired temperature. Have you--just as a routine maintenance issue--cleaned and refilled the condensate trap itself? A bad Control Board. So, lets dive in! Heat exchangers tend to go bad with time. 1. Look at the Water Supply Lines. 1. 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. Check the Gas Line. The company who installed it are coming Tuesday. What You Need to Know About Navien Equipment. Required fields are marked *. Navien tankless water heater CR-240A is leaking I've had this Navien CR-240A for 7 years (The unit is longer under warranty). So, dont do it yourself. With excessive sediment buildup, water and air will concentrate at the bottom of the tank, causing a pressure buildup. This could be caused by a damaged unit or water leaking on the wiring. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Its a WebTurn off the water heater for a minimum of 30-minutes. If condensation continues, it might fall on the entire system. Excessive sediment buildup. I have the same oily issue. Bad Installation. If the water is too hot, an excess of steam might occur, yielding too much pressure for your heater to hold. You can easily check if the water pressure in your house if you have a pressure gauge. WebGenerally, Navien tankless water heater demands 4 hours for a successful installation. Check the Thermostat Temperature Setting. How to know if you have acidic water? WebWater leak inside unit: 1. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. Check the Gas Line. Now the bad news. Otherwise, call in an expert for a proper diagnosis. You can easily take it off by using water pump pliers. Leaks can also stem from blocked pipes or mineral buildup from hard water. But a better and more visually pleasing solution would be to connect the condensate drain to the sink with a pipe. Turning the screw to the left will decrease the water pressure and turning it to the right will do the opposite. All other causes are electrical. Im wondering if the plastic had some kind of coating and the droplets are water. Switch the device off electrically. 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. How Are Navien Tankless Water Heaters To Be Cleaned Properly? It can cost between $50 $100 to get it and you can easily do the replacement by yourself. Bad 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 For a better experience, please enable JavaScript in your browser before proceeding. Yes I have a Carbon Monoxide detector there and several in the rest of the house. experience as a licensed oil & gas technician. Be sure to report back after you've figured it out. link to Red Label Abrasives Vs. Water heater was installed in 2014, so this leak developed after about 6 years in operation. 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. WebTurn off the water heater for a minimum of 30-minutes. Hard Or Acidic Water. Here are the places you need to 10. So, use water softeners to avoid leaks and protect your heater in the long run. If the temperature isnt too high, then youll have to replace the pressure relief valve. Technically, boiler condensate is not dangerous in any way. 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. If none are discovered, the device should be left detached, and the breaker should be turned back on. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. To fix the problem, simply unplug the unit and allow the water to drain out. Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. CR and NP 30000466A . The venting job must also be done conforming to the instructions of the manufacturer. 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 Heat Exchanger Solution: 7. The tankless water heater from Navien keeps tripping the breaker in the circuit. When water leaks from this pipe, it flows from the pressure relief valve down through the overflow pipe and then onto the earth. Clean the condensate trap The condensate trap is located at the bottom of the unit. I am Ralph Wade and welcome to my blog. Wiping it your rubbing the film off with the water, really strange. Check the water flow sensor. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. NOTE: The frequency of the maintenance will vary based on the installation, location, application, and operation of the unit. Switch the device off electrically. You are using an out of date browser. It seems that the condensate gets stuck in the syphon and overflows. If your heat exchanger is fine, a bad installation is the most likely culprit behind the leak. But, as it is only a bit acidic, this poses no threat to health. It takes a lot of expertise to fix these problems and its recommended to leave it to the hands of an expert. There are two pipes connected to the top of your water heater tank. Check the circulation PUMP. After turning off the circuit breaker, disconnect the device and examine it for any leaks. I also notice some water and rusting at the back left corner, near the water outlet point: WebNavien tankless water heater E110 code: Easy steps to fix; Navien tankless water heater maintenance: Clean & Descale; Tankless water heater leaking? Close the gas valve by turning it to the off position. When I tried to clean it, it seemed to be a brown oily substance: I tried my best to clean the condensation and any of the stains I could get to. A nice experience could quickly turn into a stressful one. Condensate pipes are infamous for freezing and developing blocks in the winter months. Metal-based fittings cannot be used as the condensate itself is a bit acidic in nature and will corrode metal. 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. No power to the unit. Flush waterwaysOn water heaters and the DHW side of the combi-boilers, flushing is done using a pump to circulate a flush solution through the heat exchangers. 3. Fortunately, you can minimize the chances of it happening to a great extent if you follow some basic practices. water leaking out of top and bottom of tankless hot water heater. I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. Navien combi-boilers have inlet water screens on the DHW cold-water connection, along with a screen between the heating supply and return connections. Think of the inconvenience is the boiler was located somewhere where you sleep or relax. Obstruction In Pipes Solution: 10. If any particular ad is your REASON for blocking ads, please let us know. A Defective Thermostat. It started to leak from the water adjustment valve. WebWater leak inside unit: 1. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. Bad Installation. 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. Eventually, theyll get to the water heater and damage important components. 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. Open various warm water fixtures within your home. Combat Abrasives Sanding Belts (2023). Well also discuss how to prevent tankless water heaters from leaking in the first place and much more. Of course naturally there is no manual, but I did find a link yesterday which I have yet to investigate. Thatll reduce its longevity and cause it to crack. With the breaker turned off, unplug the unit and check for leaks. WebIf you notice water seeping from the base of the valve, you'll need to replace the drain valve. 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