2. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. Loose Or Dirty Parts Solution: 4. 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 The consent submitted will only be used for data processing originating from this website. High water flow rates A leaking water heater can have a bad anode rod or excessive sediment buildup that eats away at the tank. Tankless Water Heater Dripping from Bottom. It looks like you're using an ad blocker. 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. by using wintertime fuel use against heating degree-day data. Mineral Build-Up Solution: 2. Have a Navien NCB-210 that's been running well and Dana helped me tune last year. JavaScript is disabled. Make sure that youve not set a temperature thats higher than 120 degrees Fahrenheit. Leaks Solution: 9. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. Lack of adequate venting will cause water leakage, and it is a well-known culprit for tankless water heaters. 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. If the plumber throws that to the wind and does the venting however he wants, condensation can cause leaks in the water heater. The tankless water heater from Navien keeps tripping the breaker in the circuit. If we compare, this time is lower than other units. The unit is configured for scheduled recirculate times. Most water heaters have a shutoff valve on the cold supply inlet pipe. This is the first thing I always check. So the Navien tech told the guy from the install company that the street Elbow that he used on the exhaust was no good. There are two pipes connected to the top of your water heater tank. Is the water heater a loss? Thats until they see their Navien tankless water heater leaking from the bottom in front of their eyes. This recall involves only Navien condensing tankless water heaters and combination boilers with model numbers NPE-180A, NPE-180S and NCB-180E that have been or will be converted from using natural gas to propane gas. It started to leak from the water adjustment valve. 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. You might hear pop noises due to the pressure. 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. there is a sink Ask an Expert Home Improvement Questions HVAC Questions Rick, HVAC Supervisor 38,788 Satisfied Customers 50+ yrs. Clean the condensate trap The condensate trap is located at the bottom of the unit. Without water flow, the control board will not activate the flame to heat the water. 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 This recall involves only Navien condensing tankless water heaters and combination boilers with model numbers NPE-180A, NPE-180S and NCB-180E that have been or will be converted from using natural gas to propane gas. How to clean a navien tankless water heater turn the power off the unit. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. The flow only occurs during programmed "off" periods, but not always. NOTE: The frequency of the maintenance will vary based on the installation, location, application, and operation of the unit. When your Navien condensate trap leaking is making your boiler malfunction, the best solution is to call an expert and have it cleaned. A condensate trap has two jobs. But, as it is only a bit acidic, this poses no threat to health. Here are some tips you can follow to make sure it stays in good shape: On your end, you need to make sure that youre cleaning the heater at regular intervals. Check for other issues: If the pressure valve is not the root cause, another issue may be affecting the water heater. Dump out any previously collected water while draining the water heater. 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. 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). A drop in temperature makes the gases condense. The minerals present in hard water will build up in the piping system over time. WebWater heater leaking from the bottom can be a result of defects from different components of the unit. Loose Or Dirty Parts Solution: 4. Check the water flow sensor. At times, the heat exchanger can leak at the top of the gasket. Place a bucket underneath the water heater to catch water. The circumstances appear to be due to an increased use of the radiant side of the system, as the weather has started to cool off. Press the reset button to reset your device. Consumers with recalled water heaters should immediately contact Navien to schedule a free repair. 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. 2. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); This site uses Akismet to reduce spam. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. 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. 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. COPYRIGHT 2023. If you notice that your Navien water heater is leaking, its likely that the condensate drain is the culprit. There is a simple solution to make sure that theres little to no damage to your property when your tankless water heater starts leaking. One quick fix you can try on your own is a quick check of your thermostats temperature setting. This is where your water supply comes from. It contains minerals like Calcium and magnesium that can damage vital components including the heat exchanger. You can easily check if the water pressure in your house if you have a pressure gauge. The flow only occurs during programmed "off" periods, but not always. I have a navien WebFebruary 2019. Leaks can also stem from blocked pipes or mineral buildup from hard water. NCB models 30012768A . Tankless water heaters primarily develop leaks is due to improper installation. Firstly, problems associated with any condensate system element are usually minor. Our condensate trap is leaking and it looks like the plug is missing an O-ring that would help it seal. Frozen and clogged condensate pipes are the answer to why your boiler is leaking. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. Needs to be a pipe. How Are Navien Tankless Water Heaters To Be Cleaned Properly? There are electronic parts inside. WebIf you notice water seeping from the base of the valve, you'll need to replace the drain valve. Step 3 will show you how. With the breaker turned off, unplug the unit and check for leaks. It causes pinholes in the tankless water heater which may promote leaking with time. 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. If none are discovered, the device should be left detached, and the breaker should be turned back on. Your email address will not be published. experience as a licensed oil & gas technician. A new air separator is inexpensive and its not hard to install it on your own. It may not display this or other websites correctly. Its a When condensate pipes exist in regions where the cold can get rather extreme, leaking pipes pose an additional threat to the pipe. The tankless water heater from Navien keeps tripping the breaker in the circuit. Shut off the water supply valve on the inlet to the water heater. Your feedback is always appreciated. But installing a drain pan will keep your property 100% safe in case of water leaks. Check the circulation PUMP. Check the cold water main: Navien Circulation Pump. Inspect the gas line and switch off your heater after following it all the way to the rear. Continue with Recommended Cookies. Add about 6 liters of vinegar to a clean bucket. Then, switch off the cold water to your unit. Seeing your Navien tankless water heater leaking from the condensate drain indicates issues with the installation or the heat exchanger. I have a 5 year old Navien CH240 and it started leaking condensate but from the gasket at the bottom of the heating chamber. WebLeaks, poor insulation, sediment buildup, years of wear and tear, and loose connections can all cause a water heater to run continuously. CR and NP 30000466A . Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. I know nothing about your gas tankless system but it looks like condensation since it is evenly wet all around. There are electronic parts inside. Make sure the gas supply is off and switch off all water supplies. 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 create cracks or holes in the water tank from which water will leak. This seemingly insignificant part is capable of bringing your Navien boiler to its knees. WebLocate the reset button on the heaters front control panel. 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