An example of data being processed may be a unique identifier stored in a cookie. 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 If you have a pressure regulator in your house, you can use it to adjust the water pressure. Clear damage on the existing o-ring. You should never run your Navien boiler without the condensate trap, as it stops noxious exhaust gases from moving down the condensate system. 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. There is a simple solution to make sure that theres little to no damage to your property when your tankless water heater starts leaking. Observe the bottom of your water heater for a red button. If condensation continues, it might fall on the entire system. 2. Combat Abrasives Sanding Belts (2023). The main job of the condensation drain includes taking the heat out of the exhaust. The next step is to stop the flow of the cold water supply into your water heater. But, as it is only a bit acidic, this poses no threat to health. A nice experience could quickly turn into a stressful one. Navien O-Ring P18. A bird can also build its nest in the exhaust pipe and end up clogging it. It seems that the condensate gets stuck in the syphon and overflows. Then, switch off the cold water to your unit. Source: terrylove.com. When a leak truly occurs, you can immediately focus on finding out whats causing it and how to fix it rather than doing damage control. Leaks Solution: 9. It causes pinholes in the tankless water heater which may promote leaking with time. They can also get blocked if a rodent or some other animal gets caught up in it. Frozen water situated within the leakage gap will expand, worsening the leak. 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 bad Flow sensor. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. #1. Once the water has drained, plug the unit back in and turn it on. 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. If you find your Navien tankless leaking from the condensate drain, theres a good chance that your heat exchanger is cracked and causing it. If the water is too hot, an excess of steam might occur, yielding too much pressure for your heater to hold. Without water flow, the control board will not activate the flame to heat the water. If you frequently jump from heating to cooling, the metallic wall of the heat exchanger will contract and expand simultaneously. Loose Heat Exchanger Solution: 7. Heat exchangers tend to go bad with time. Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. Step 3 will show you how. 2. But, really, from your video, it looks like a vacuum-related issue. May 21, 2017. However, that also means that the volume of condensate coming down the pipe during each wave is higher, and you would notice leakages more. WebLocate the reset button on the heaters front control panel. High water flow rates One quick fix you can try on your own is a quick check of your thermostats temperature setting. Lack of adequate venting will cause water leakage, and it is a well-known culprit for tankless water heaters. The 2. Is the cabinet airtight or does it have grates for air flow? Open various warm water fixtures within your home. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. Now the bad news. 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. As for the pipes that are cracked and leaking, theyll have to be replaced. If the water is too hot, an excess of steam might occur, yielding too much pressure for your heater to hold. The flow only occurs during programmed "off" periods, but not always. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. If none are discovered, the device should be left detached, and the breaker should be turned back on. Open various warm water fixtures within your home. CR and NP 30000466A . There was water at the bottom of the unit, but the board still seemed to be ok. Ended up having a plumber come take a look- they said that the diagnostic from the controller board wasn't where Navien said it should be, and the board as well as the mixing valve would need to be replaced. If any particular ad is your REASON for blocking ads, please let us know. Red Label Abrasives Vs. I have a navien To fix the problem, simply unplug the unit and allow the water to drain out. If this valve becomes loose or damaged, it can cause To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Dirty Flow Sensor Solution: 8. This could create cracks or holes in the water tank from which water will leak. Obstruction In Pipes Solution: 10. The level of PH in the water determines how fast acidic water will damage your system. Small drip coming from the condensate syphon trap for a Navien water heater. Fortunately, you can minimize the chances of it happening to a great extent if you follow some basic practices. What You Need to Know About Navien Equipment. Rick is online now Continue Related HVAC Questions NCB models 30012768A . You have to make sure your Navien boiler receives servicing regularly in compliance with the manufacturers guidelines. With the breaker turned off, unplug the unit and check for leaks. Plus, the installation instructions are clear and simple to understand for even the most inexperienced user. 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. There was defintley some backpressure of some sort and the vent eliminated it. Gas leak. With the breaker turned off, unplug the unit and check for leaks. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. High water flow rates If you find that your system has GPM and water pressure higher than that, you need to get it adjusted. Once again, this has to do with making sure that the heater is clean. Here are the places you need to No power to the unit. It seems that the condensate gets stuck in the syphon and overflows. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. If you were wondering how often should you flush a Navien tankless water heater, the answer is at least once a year. If so, where can I purchase one? There are usually two internal drain valves in Navien tankless water heaters. Take off the inlet filter on the cold water line. Close the gas valve by turning it to the off position. Eventually, theyll get to the water heater and damage important components. Most water heaters have a shutoff valve on the cold supply inlet pipe. 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 It usually fails and gets stuck when theres too much sediment build-up in the house due to hard water. Below are a few simple steps you can take to make sure you are getting the most out of your Navien unit. Remove the four screws and take off the front cover to gain access to it. Press the reset button to reset your device. The boiler then detects that condensate cannot be expelled anymore and it shuts down. Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. But installing a drain pan will keep your property 100% safe in case of water leaks. Navien NHB boilers have a screen on the return connection. Protect your water supply and your water heating equipment with eco-friendly water treatment solutions. WebFebruary 2019. This could be caused by a damaged unit or water leaking on the wiring. You must log in or register to reply here. The first thing you should do is try and identify the leak in a short time. Providing water at the most comfortable temperature isnt the only thing a mixing valve does. Blocked condensate traps are generally a result of not servicing your boiler for a long time. If youve found the issue, then fix it. Check the Thermostat Temperature Setting. WebTurn off the water heater for a minimum of 30-minutes. Plumbing Forum, Professional & DIY Advice. Tankless Water Heater Dripping from Bottom. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with 2. You might hear pop noises due to the pressure. Partially Closed Valves Solution: 6. The installing plumber has never seen it and the supply shop he bought it from has no idea either. Navien Condensate Trap Leaking: Reasons And Troubleshooting. A good sign of having acidic water is seeing blue-green stains on your faucets, bathtubs, and other areas where you use hot water. 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. Navien O-Ring P16: E038: Abnormal circulation pump: 1. The wire harness was dried out and falling apart. I have the the same issue: 3 yr young unit. Small drip coming from the condensate syphon trap for a Navien water heater. The level of PH in the water determines how fast acidic water will damage your system. Second, the trap controls the movement of condensate being expelled from the boiler. Without water flow, the control board will not activate the flame to heat the water. Navien Tankless Water Heater Leaking From Bottom [Why & How To Fix] 1. The preventive measure for this problem is to use a water softener. Alternatively, you can turn off the water supply at the main water. 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. There are two pipes connected to the top of your water heater tank. Tripped breaker. Tankless Water Heater Dripping from Bottom. 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. A leaking water heater can have a bad anode rod or excessive sediment buildup that eats away at the tank. I have a near constant drip coming from my Navien, tankless water heater. Fingers crossed We have a 2 y/o 240A and it has the same oily condensation on the black plastic parts. Check the water flow sensor. Place a bucket underneath the water heater to catch water. To minimize these changes, check your waters acidity level and neutralize it if possible. Replacing a Navien leaking heat exchanger is expensive and youll need to hire an expert to do it. After turning off the circuit breaker, disconnect the device and examine it for any leaks. 2. Leaking from the bottom of the tank: Source: www.pinterest.com. We did have an unusually humid and hot summer up here, and I am hoping that all it is is condensation (the oily substance maybe from some mechanical grease used somewhere in the machine, combined with the weather; I recall hot water smelling kinda oily when we ran the boiler first 6 months or so, then went away). While a fairly quick and inexpensive job, this cannot be done by anyone except an expert. Mineral Build-Up Solution: 2. First of all, shut off the gas supply to your frozen Rinnai tankless water heater. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. It is located on the lowest corner opposite the on and off button. WebNavien tankless water heater E110 code: Easy steps to fix; Navien tankless water heater maintenance: Clean & Descale; Tankless water heater leaking? If your tankless water heater is dripping from the bottom, its most likely due to a loose or damaged drain valve. Siphoning Water Solution: 3. I also notice some water and rusting at the back left corner, near the water outlet point: This could create cracks or holes in the water tank from which water will leak. 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 also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. 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 2. Hard Or Acidic Water. High water flow rates 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. The consent submitted will only be used for data processing originating from this website. If the pipes are blocked, then tightening them wont work. The unit was installed in 2016. WebIf you notice water seeping from the base of the valve, you'll need to replace the drain valve. Shut Off Cold Water Supply. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. 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. If this valve becomes loose or damaged, it can cause I also spoke to Navien and the tech there recommended condensate drains be 3/4 not 1/2. I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. COPYRIGHT 2023. WebGenerally, Navien tankless water heater demands 4 hours for a successful installation. Mineral Build-Up Solution: 2. Place a bucket underneath the water heater to catch water. 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