Modern-day boilers, just like a Navien boiler often release the condensate in brief waves instead of a consistent trickle, thus reducing the chances of freezing. Leaking from the Bottom of the Tank: Finding the Source. Tankless Water Heater Dripping from Bottom. NOTE: The frequency of the maintenance will vary based on the installation, location, application, and operation of the unit. Hence, you need to find out what caused the leaks so that you can fix it or have it replaced if necessary. WebStep 3. Open various warm water fixtures within your home. Once the water has drained, plug the unit back in and turn it on. The wire harness was dried out and falling apart. Leaking from the Bottom of the Tank: Finding the Source. Check the Thermostat Temperature Setting. Manage Settings 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. 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 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). If you find that your system has GPM and water pressure higher than that, you need to get it adjusted. If your tankless water heater is dripping from the bottom, its most likely due to a loose or damaged drain valve. Without water flow, the control board will not activate the flame to heat the water. Take love :). This could create cracks or holes in the water tank from which water will leak. Fortunately, you can minimize the chances of it happening to a great extent if you follow some basic practices. We have also experienced some issues with non-constant hot water, but only at some sinks. Make sure that youve not set a temperature thats higher than 120 degrees Fahrenheit. They can also get frozen in extremely cold climates. Learn more about our products for home owners. Once youre happy with the water pressure, you can stop adjusting. Heat exchangers tend to go bad with time. The inlet pipe supplies cold water to the heater and the outlet pipe transfers the hot water from it. Spent a few minutes looking at mine. Check the water flow sensor. You can hire a plumber to do this job for you. Place a bucket underneath the water heater to catch water. 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. In a residential area, the water pressure shouldnt exceed 30 PSI. Fingers crossed We have a 2 y/o 240A and it has the same oily condensation on the black plastic parts. If you were wondering how often should you flush a Navien tankless water heater, the answer is at least once a year. With the breaker turned off, unplug the unit and check for leaks. 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; Replacing a lot of Navien parts is easy and cheap. The first place to check is the plumbing pipes above the water heater. The 2. 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. Metal-based fittings cannot be used as the condensate itself is a bit acidic in nature and will corrode metal. The drip is coming from the bottom, middle of the unit where there is a white cap. 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. If you dont maintain your water heater properly, rust can accumulate and damage many components including the heat exchanger. 1. Shut Off Cold Water Supply. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. If none are discovered, the device should be left detached, and the breaker should be turned back on. 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). Thatll reduce its longevity and cause it to crack. It seems that the condensate gets stuck in the syphon and overflows. This is where your water supply comes from. It causes pinholes in the tankless water heater which may promote leaking with time. Rick is online now Continue Related HVAC Questions The preventive measure for this problem is to use a water softener. May 21, 2017. Refrain from trying to fix the condensate trap by yourself because chances are, you will do more damage than good. Inspect the gas line and switch off your heater after following it all the way to the rear. Then, switch off the cold water to your unit. Clean the condensate trap The condensate trap is located at the bottom of the unit. Is the cabinet airtight or does it have grates for air flow? Mine is 1/2. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. The unit is configured for scheduled recirculate times. Leak-related issues cause this problem most often, as when theres a leak a water heater will continuously work to replace the leaking water. Alot of water drains from this hose as soon as the water inlet valve to the unit is opened. Tripped breaker. To fix the problem, simply unplug the unit and allow the water to drain out. If we compare, this time is lower than other units. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. I changed it, but it now leaks from the condensation hose. 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. You're in Houston and it is as humid as it is here in Florida and right now we're very humid. If the venting isnt done properly, its a good idea to call a professional plumber to take a look at the issue. 10. You must log in or register to reply here. You might hear pop noises due to the pressure. Press the power button on the front panel to turn off the unit. The company who installed it are coming Tuesday. If the water is too hot, an excess of steam might occur, yielding too much pressure for your heater to hold. Check the water flow sensor. Inspect the gas line and switch off your heater after following it all the way to the rear. 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 leak would be one location dripping down. If your Navien condensate trap is leaking, you will have to know the potential causes and fixes. WebWater heater leaking from the bottom can be a result of defects from different components of the unit. When condensate pipes exist in regions where the cold can get rather extreme, leaking pipes pose an additional threat to the pipe. Navien tankless water heater error codes, their meaning, and fixes Below are different Navien water heater error codes and their solutions; Error Code E003 NPE The drain valve is located at the bottom of the unit and is used to remove excess water from the tankless water heater. If your tankless water heater leaking from the bottom, the overflow pipe can be the culprit. However, keep in mind that this liquid can corrode certain materials such as mental. 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. Shut Off Cold Water Supply. Replace leaking parts: Navien O-Ring Kit. Press the reset button to reset your device. The flow rate and GPM in your house should be set such that the heater can operate at optimal performance. The main job of the condensation drain includes taking the heat out of the exhaust. Strange. 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. Rick is online now Continue Related HVAC Questions Yes I have a Carbon Monoxide detector there and several in the rest of the house. Observe the bottom of your water heater for a red button. You already know what the ideal water pressure is for a house. Do you think the water droplets are all oil? Unscrew the old pressure relief valve and put the new one in its place. Leaks Solution: 9. It seems that the condensate gets stuck in the syphon and overflows. Now I will keep an eye out for oily residue. Boilers are susceptible to wear and tear over time like any other household appliance. The heating engineer will clear out the debris from the trap during this time, preventing the buildup of sediment. This is an indication that the valve isn't water tight, and the leak will only get worse with time. WebNavien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. Your feedback is always appreciated. The first thing you should do is try and identify the leak in a short time. Excessive sediment buildup. As a result, the condensate has no way to leave the bottom and goes back inside. WebIf you notice water seeping from the base of the valve, you'll need to replace the drain valve. This could create cracks or holes in the water tank from which water will leak. I think an air gap of some sort is in order. 10. That looks like an old CH unit that have been discontinued but Navien still warranties them. If your heat exchanger is fine, a bad installation is the most likely culprit behind the leak. No water flow into the Unit. Attach the cold water intake hose to the sump pump. A bad Flow sensor. If you frequently jump from heating to cooling, the metallic wall of the heat exchanger will contract and expand simultaneously. A properly maintained boiler is less likely to display problems with the condensate trap. NCB models 30012768A . 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. Add about 6 liters of vinegar to a clean bucket. Even setting the water temperature too high can cause too much pressure in your water heater. It seems that the condensate gets stuck in the syphon and overflows. 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). The drip is coming from the bottom, middle of the unit where there is a white cap. I also notice some water and rusting at the back left corner, near the water outlet point: My 2 yr-old Navien heater has apparently been leaking for quite some time. Navien tankless water heater CR-240A is leaking I've had this Navien CR-240A for 7 years (The unit is longer under warranty). NCB models 30012768A . Partially Closed Valves Solution: 6. Inspect the gas line and switch off your heater after following it all the way to the rear. Leaks can also stem from blocked pipes or mineral buildup from hard water. One quick fix you can try on your own is a quick check of your thermostats temperature setting. Drained, plug the unit is opened 30 PSI leak in a residential area, the is. Unit that have been discontinued but Navien still warranties them, simply unplug unit... The Source a good idea to call a professional plumber to do this job you. Rick is online now Continue Related HVAC Questions the preventive measure for this problem is to use a heater! 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