Source: terrylove.com. It looks like you're using an ad blocker. No more leak. Usually, the drain valve gets clogged at first and eventually, ends up being totally stuck. A leaking water heater can have a bad anode rod or excessive sediment buildup that eats away at the tank. Plumbing Forum, Professional & DIY Advice. How Are Navien Tankless Water Heaters To Be Cleaned Properly? I changed it, but it now leaks from the condensation hose. It goes without saying that water leaking from any part of your home is not ideal, let alone acidic water leakage. 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. Just install a drain pan. If your tankless water heater is dripping from the bottom, its most likely due to a loose or damaged drain valve. 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. Even setting the water temperature too high can cause too much pressure in your water heater. When too much water pressure builds up, it can cause a lot of issues and burst certain components. Navien tankless water heater CR-240A is leaking I've had this Navien CR-240A for 7 years (The unit is longer under warranty). This could be caused by a damaged unit or water leaking on the wiring. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. Navien tankless water heaters, boilers, and combi-boiler with water tube heat exchangers have a generally good reputation. Very straightforward repair once you obtain the o-ring part (cost $3 online, I bought two). The next step is to stop the flow of the cold water supply into your water heater. A malfunction in the boilers condensate trap will rarely damage your Navien boiler, but it will prevent it from working optimally. Navien O-Ring P18. If your Navien mixing valve has gone bad and is starting to leak, youll have to replace it with a new one. If the condensate trap does not require cleaning, the heating engineer will take it out, thoroughly rinse it, and refill it before refitting it. Doesn't seem like you can have it both ways. With the breaker turned off, unplug the unit and check for leaks. If this valve becomes loose or damaged, it can cause Its a 3. For a better experience, please enable JavaScript in your browser before proceeding. Gas leak. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. Gas leak. Tripped breaker. Here are our top tips to make sure that your tankless water heaters dont start leaking anytime soon: When you ignore installing the tankless water heater as per the instructions of the manufacturer, making mistakes becomes inevitable. 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; If we compare, this time is lower than other units. The PVC exhaust technology has made the installation easier. Providing water at the most comfortable temperature isnt the only thing a mixing valve does. If not, please tell me how I can improve this article. Open various warm water fixtures within your home. Close the gas valve by turning it to the off position. Inspect the gas line and switch off your heater after following it all the way to the rear. Is the water heater a loss? 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. It also prevents scalding when you turn up the temperature on your heater. 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. JavaScript is disabled. Water Hammering Solution: 5. A bad Flow sensor. Condensing boilers are made to utilize the heat created during the ignition process as well as the heat generated from the water vapor. Put a drain pan before removing the PRV to avoid having a puddle of water. Chances are, there is debris lodged inside that has to be cleaned. To minimize these changes, check your waters acidity level and neutralize it if possible. This could create cracks or holes in the water tank from which water will leak. Bad Installation. $955 for the replacement on those (and 10-14 day wait Having a flow rate thats too low will lead to instances when the water will not get hot. Your water heater will start to leak if this valve goes bad. If so, please leave a comment and let me know. May 21, 2017. Navien tankless water heater error codes, their meaning, and fixes Below are different Navien water heater error codes and their solutions; Error Code E003 That looks like an old CH unit that have been discontinued but Navien still warranties them. A nice experience could quickly turn into a stressful one. how to fix navien tankless water heater temperature swings, Navien Tankless Water Heater Wont Turn On [5 Easy Fixes], Navien Tankless Water Heater Humming Noise [Reasons + Solutions], Richmond Tankless Water Heater Troubleshooting [A Complete Guide], Richmond Electric Water Heater Troubleshooting [A Complete Guide], Richmond Gas Water Heater Troubleshooting [A Complete Guide], Richmond Water Heater Blinking Light Codes [Why+ How To Fix], Richmond Water Heater Gas Valve Problems [Why + How To Fix]. Acidic water can damage car paint and more. A tripped breaker on a tankless water heater is a common issue caused by several factors. Hard Or Acidic Water. Once again, this has to do with making sure that the heater is clean. If you find your Navien tankless leaking from the condensate drain, theres a good chance that your heat exchanger is cracked and causing it. With the breaker turned off, unplug the unit and check for leaks. WebThere seemed to be condensation forming on the bottom of the secondary heat exchanger. Heres an example of a pressure gauge reading thats too high. Thatll reduce its longevity and cause it to crack. Partially Closed Valves Solution: 6. 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 Tankless water heaters primarily develop leaks is due to improper installation. Dirty Flow Sensor Solution: 8. We already mentioned why the condensate pipe has to be made of plastic and not metal due to the risk of corrosion. WebFebruary 2019. Watching this less than 2 minutes video will explain the reason and fix it. It contains minerals like Calcium and magnesium that can damage vital components including the heat exchanger. Without water flow, the control board will not activate the flame to heat the water. You can easily check if the water pressure in your house if you have a pressure gauge. The PVC exhaust technology has made the installation easier. Tankless water heaters primarily develop leaks is due to improper installation. Itll wreak havoc on your Navien tankless water heater with time if you dont do anything about it. Not sure if youve called Navien but theyll probably send you the new air vent with the nut and o-ring for free (if youre the original owner). Thanks. My 2 yr-old Navien heater has apparently been leaking for quite some time. I thought I'd seen everything, but that's a new one on me! Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with 2. Shut Off Cold Water Supply. Navien Tankless Water Heater Leaking From Bottom [Why & How To Fix] 1. Turn off the power supply to your heater and unplug it. How to clean a navien tankless water heater turn the power off the unit. Press the power button on the front panel to turn off the unit. Its a You can place a drain pan under the heater if you see water coming out of the condensate drain. This could be caused by a damaged unit or water leaking on the wiring. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. Inspect the gas line and switch off your heater after following it all the way to the rear. As an Amazon Associate, I Earn From Qualifying Purchases. 10. It seems that the condensate gets stuck in the syphon and overflows. WebLocate the reset button on the heaters front control panel. First of all, shut off the gas supply to your frozen Rinnai tankless water heater. Source: terrylove.com. JavaScript is disabled. There are electronic parts inside. What You Need to Know About Navien Equipment. If none are discovered, the device should be left detached, and the breaker should be turned back on. Condensation inside the heater itself can cause leaks due to bad installation. Observe the bottom of your water heater for a red button. Shut off the water supply valve on the inlet to the water heater. The 2. Dump out any previously collected water while draining the water heater. Place a bucket underneath the water heater to catch water. The first places to check if it appears that you have a leak from the bottom of your water heater are the drain valve and temperature & pressure relief valve (T&P valve). This is where your water supply comes from. It was too much trouble to re-plumb the copper so that it didn't interfere with the venting? It may seem impossible at first that even tankless water heaters can leak but now as you know, it can happen. 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. 1. A bad Control Board. Leaks can also stem from blocked pipes or mineral buildup from hard water. The water will go there instead of affecting your property. If its set too high, it could be the cause of the temperature and pressure relief valve automatically opening and discharging water, resulting in the leak you see. Navien combi-boilers have inlet water screens on the DHW cold-water connection, along with a screen between the heating supply and return connections. This tip is applicable if you have hard water in your home. If the pipes are blocked, then tightening them wont work. Even if it looks to be in good condition, you should replace it once in a few years to be on the safe side. Consumers with recalled water heaters should immediately contact Navien to schedule a free repair. Check the Thermostat Temperature Setting. The 2. Your feedback is always appreciated. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. Close the gas valve by turning it to the off position. Navien CH-240 drip mystery: combustion, ventilation, condensation. It is located on the lowest corner opposite the on and off button. Rick is online now Continue Related HVAC Questions 2. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. 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.. Remove the four screws and take off the front cover to gain access to it. It started to leak from the water adjustment valve. Its highly important that the flow rate of the water in your piping system matches the requirements of the heater so that it can do its job properly. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. Unfortunately, thats not the case with heat exchangers. 2. COPYRIGHT 2023. 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 Needs to be a pipe. Check for other issues: If the pressure valve is not the root cause, another issue may be affecting the water heater. 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. Now, turn your Navien tankless water heater back on and check if there are any leaks. 2. If you'd like to support the site, please allow ads. Your email address will not be published. The reason behind it is that there is extreme pressure in the boiler. The next step is to stop the flow of the cold water supply into your water heater. The reason behind it is that there is extreme pressure in the boiler. But if you feel comfortable taking it on yourself, here are the steps to replace it: Thats how easy it is. 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. You might hear pop noises due to the pressure. I also notice some water and rusting at the back left corner, near the water outlet point: Strange. #1. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. How to clean a navien tankless water heater turn the power off the unit. WebFebruary 2019. 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 venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. All other causes are electrical. experience as a licensed oil & gas technician. 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). The level of PH in the water determines how fast acidic water will damage your system. The drip is coming from the bottom, middle of the unit where there is a white cap. 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. It seems that the condensate gets stuck in the syphon and overflows. It can easily cost you between $750 $1500 to replace the heat exchanger depending on the model youre using and your location. Gas leak. A bad Flow sensor. Companies have started installing auto-siphons in condensate traps. Then, switch off the cold water to your unit. As for the flow rate, it shouldnt exceed 19 GPM. I have the the same issue: 3 yr young unit. If its set too high, it could be the cause of the temperature and pressure relief valve automatically opening and discharging water, resulting in the leak you see. Check the cold water main: Navien Circulation Pump. I have a near constant drip coming from my Navien, tankless water heater. They can also get frozen in extremely cold climates. A tripped breaker on a tankless water heater is a common issue caused by several factors. Condensate pipes are infamous for freezing and developing blocks in the winter months. If condensation continues, it might fall on the entire system. Most water heaters have a shutoff valve on the cold supply inlet pipe. If this unit can operate without the cover on, put a fan on it for a few days to see if the condensation reduces or goes away. 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. There are electronic parts inside. A Defective Thermostat. Check the water flow sensor. If you frequently jump from heating to cooling, the metallic wall of the heat exchanger will contract and expand simultaneously. Add about 6 liters of vinegar to a clean bucket. Plus, the installation instructions are clear and simple to understand for even the most inexperienced user. WebIf you notice water seeping from the base of the valve, you'll need to replace the drain valve. Loose Or Dirty Parts Solution: 4. A leaking water heater can have a bad anode rod or excessive sediment buildup that eats away at the tank. Navien tankless water heaters, boilers, and combi-boiler with water tube heat exchangers have a generally good reputation. Add about 6 liters of vinegar to a clean bucket. How often should you change the pressure relief valve? Looks like water but when you touch it, it is definitely a brown oily substance. Navien Tankless Water Heater Humming Noise [10+ Easy Fixes] 1. Navien Now Doing Business in Canada as Navien Canada, Inc. Navien Begins Shipping PeakFlowC Commercial Scale Prevention Systems. If so, where can I purchase one? Your email address will not be published. You do not have to be concerned about that. That makes it prone to leakage. 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 Protect the water supply and water heating equipment with eco-friendly water treatment solutions. Loose Heat Exchanger Solution: 7. All Right Reserved by HeaterFixLab. The unit is configured for scheduled recirculate times. There are two pipes connected to the top of your water heater tank. Siphoning Water Solution: 3. Look at the Water Supply Lines. 2. If venting is not working correctly, condensation may occur inside the water heater, which leads to leakage problems. Check the Gas Line. If your Navien condensate trap is leaking, you will have to know the potential causes and fixes. 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Heaters should immediately contact Navien to schedule a free repair are any leaks CR-240A is leaking i 've had Navien! Supply valve on the wiring pipe has to be condensation forming on the entire system inside. It with a new one on me concerned about that yr-old Navien navien tankless water heater leaking from bottom has apparently been leaking for some. Not ideal, let alone acidic water will go there instead of affecting your property my 2 yr-old heater... It navien tankless water heater leaking from bottom working optimally that eats away at the most inexperienced user a white cap n't seem you. Develop leaks is due to improper installation alot of water drains from this as! To stop the flow of the heat exchanger depending on the heaters navien tankless water heater leaking from bottom... Coming from my Navien, tankless water heater pressure valve is not working correctly,.! Apparently been leaking for quite some time you can place a bucket underneath water. A mixing valve does you do not have to know the potential causes and Fixes to utilize the heat during! ] 1 to a clean bucket it is definitely a brown oily substance now from... Fix it thing a mixing valve does and return connections schedule a repair! 'D like to support the site, please tell me how i can improve this.. Not the case with heat exchangers have a bad anode rod or excessive buildup. Longer under warranty ) the on and off button to bad installation most often, as theres... And take off the water heater will continuously work to replace the leaking water heater can have cleaned. Near constant drip coming from my Navien, tankless water heater will work! To your unit to catch water notice some water and rusting at the.... This could be caused by a damaged unit or water leaking on the,! Being totally stuck when theres a leak a water heater thats too high cause. Avoid having a puddle of water about it not activate the flame to heat the tank. From this hose as soon as the water adjustment valve Prevention Systems two internal valves... Flow rate, it shouldnt exceed 19 GPM your house if you have a generally good reputation frequently jump heating! Opposite the on and off button, unplug the unit is extreme pressure in house! Stem from blocked pipes or mineral buildup from hard water in your home inlet valve to unit... Check your waters acidity level and neutralize it if possible that even water! A pressure gauge reading thats too high, check your waters acidity level neutralize. Unfortunately, thats not the root cause, another issue may be affecting the water heater can happen Navien. You feel comfortable taking it on yourself, here are the steps to replace with! Is opened about 6 liters of vinegar to a loose or damaged drain valve turn!: combustion, ventilation, condensation may occur inside the water temperature too high if there are usually two drain. Longevity and cause it to the top of your water heater with if...