If we compare it with most of the other Tankless Water Heaters, it is around 0.82. This will allow your water heater to operate efficiently and effectively, and most significantly, it will avoid any probability of danger and therefore the risk of carbon monoxide gas poisoning. Like other tankless water on the market today, Navien tankless water heaters also have different issues that they experience. As because the market share of tankless water heater among other water heater increasing day by day, currently it is about 7% with an exponential growth rate. Try lower temperatures; it also benefits your electricity bill! All Navien tankless water heaters have water screens on the cold water inlet, and the NPE-Advanced models have an additional screen on the recirculation inlet. It is also known as an energy efficient ‘green' alternative to tank water heater. This product begins by opening the hot water tap, which detects the flow. Tankless water heaters are not immune to problems. Tankless Water Heater Troubleshooting Tips . Tuesday, June 26, 2018. Generally, this happens because users have set the temperature too high. There are two major flavors of gas-fueled tankless water heater: condensing and non-condensing. Propane usage monthly cost on a tankless water heater ; A gallon of propane just costs 2.20$ each. However, by taking into consideration energy efficiency, customer rating, ease of use and consistency in water temperature, we feel that these three heaters give you the most bang for your buck. Tankless water heater considered as a most modern heating device to supply continuous hot water flow. Let’s consider the following problems of these tankless water heaters. Shut the pilot light off as well. The Navien hot water heater doesn’t put a limit on your supply, instead heating water instantly any time you turn on the hot faucet. Watch the water that flows from the hose and note its color. The date of production/manufacture or age of Navien® Tankless Water Heater(s) can be determined from the serial number. Using a bucket is not a good way to drain the hot water heater. Tankless water heaters blow exhaust from the heater horizontally with the use of fans thereby permitting vents to end on a different position of your house. She has written for newspapers, magazines, online publications and sites. Incredibly efficient, they are designed to heat water in seconds, and only when it is needed. You can schedule service or take a do it yourself approach to deal with maintenance. To protect yourself and your home, the best practice is to use a garden hose to drain the tank. No waiting for a tank to reheat more water, wasting time and energy. Also commonly referred to as an on-demand water heater, the tankless water heater may need maintenance every six months if your water heater is set to a high temperature or if you have hard water. Along with Rheem, EcoSmart, and Noritz, Rinnai is also a well-known brand in the tankless water heaters industry. When you shut the hose bib off as the cold water is flushing the system, this prevents air from being trapped inside the tank. The Navien hot water heater doesn’t put a limit on your supply, instead heating water instantly any time you turn on the hot faucet. The Navien NPE tankless water heater is available in two models, the S and the A Read more >> Problem Solved: Steve Hosack of SC Hosack Plumbing Upgrades His Hair Stylist to Navien. Open the valve on top of the hose bib on the water tank. The exhaust vent is also made of PVC or plastic and not metal which a … The hose bib is similar to the faucets found on the exterior of a home to which you connect a garden hose. To keep your water heater functioning and avoid a buildup of minerals and rust inside the tank, it helps to bleed the line on the water heater annually. Not only are they highly efficient, but they can also save you money by heating water only on-demand. Over time, a tankless water heater can accumulate minerals that can build up on and erode the walls inside your tank's heating chamber. Attach the hose to the water heater by manually threading it clockwise onto the hose bib. Post navigation Navien tankless water heater problems are sometimes hard to comprehend, not to mention fix the heater on your own. How to Remove a Water Heater's Drain Valve, Removing Melted Plastic From a Baseboard Heater, How to Replace the Water Line to a Toilet, Consumer Reports: Weekend Project -- Flush Your Water Heater, How to Fix a Popping Noise on Water Heaters, How to Hook Up an Electric Hot Water Tank, How to Repair a Dripping Gas Water Heater, The Urgency of Replacing a Water Heater Valve. Your pump, flow sensor or water adjustment valve are in trouble that needs the aid from professionals. There could also be connectivity problems, so make sure that your cord is grounded properly. Navien products are on the high end of tankless water heaters. Let the hot water heater cool about 30 to 45 minutes before beginning. Navien … This could affect your heater’s durability. It also helps to drain the tank more efficiently if you have to lead the hose out a window or into a tub to drain, as the pressurized incoming water serves to push the water out of the hose. Changes in water quality Check online or call your local water plant to see if there have been any recent changes in water quality. Although uncommon, issues can arise if something isn’t working correctly within your water heater. It is usually located near the bottom of the hot water heater. This is an ignition failure. From its name, you might know that Rinnai is originally a Japanese brand. So based on the price, you can say that you will need to spend 33$ monthly for a family of two. While checking the efficiency factor, we found that these Tankless Water Heaters can easily record an efficiency factor of 0.98. This is when something wrong has happened with your heater’s controller. Tankless water heaters depend on a few factors like regional labor and material costs, the brand and capacity of the water heater. The Navien tankless water heater comes with a remote to keep track of what is going on with your heater and display the error code. These are short-circuited problems, which are the real serious ones that you should call for tech support. Navien is an international organization with a rich history in water heater and boiler technology that dates back to the 1970s. Navien, as a brand, has been active for many years now. In all cases, tankless water heaters must be property vented. Check if you had opened the gas supply valve or not. If you’re having doubts with other manufacturers, Navien is one that doesn’t disappoint, as proven by the many positive feedback customers left online. If you have any problems with your Navien heater, feel free to ask in the comment section! However, by taking into consideration energy efficiency, customer rating, ease of use and consistency in water temperature, we feel that these three heaters give you the … Serial number styles/formats found are: →Style 1: 9545J 11 5 27 52044 →Style 2: 7414C 14 X1771143 →Style 3: 9262-2008 12 08-1027 This heater also keeps track of possible operating issues with an error code displayed on the unit. Overall, Navien tankless water heaters, pretty much like the rest of the appliances produced by the brand, have a high rating efficiency above 90%. Condensation tankless water heaters minimize the value of the installation. When the amount of water is detected, the flow sensor gets activated, and the igniter is turned on. Since entering North America in 2006, Navien has been producing high quality tankless water heaters, boilers, and combi-boilers. Steve Hosack of SC Hosack Plumbing Upgrades His Hair Stylist To Navien Read more >> Navien News. We highly recommend you to check and follow the specific cleaning instructions regarding your unit. Remember that you may need to rinse or flush the system for up to 45 minutes after using vinegar for demineralization purposes in order to fully remove all vinegar and matter from the unit. Last year Navein had pulled back almost 3,400 on demand water heater (tank-less) for the second time due to CO contamination but the scenario of the first time was a bit different in 2009. Their NPE-S Series of tankless water heaters includes one model at 97% efficiency and three with superior efficiency at 99% (NPE-180S, NPE-210S and … A tankless hot water heater heats water on demand instead of storing the hot water in a tank, which typically results in considerable energy savings. In this case, you’d better have a contractor come to check the heater for you! Flow Sensor. Incredibly efficient, they are designed to heat water in seconds, and only … See Also: Condensing vs Non-Condensing Tankless Water Heaters. Allow the tank to drain. Once the tank is full, you can turn the hot water heater on again. You can simply fix this by turning off the heater for a while then restart. However, since it is unlikely that water needs would ever be this high, the house would manage fine with 7.5 GPM. While you can turn off the cold-water inlet atop the hot water heater to drain the tank, you have a greater chance of introducing air into the plumbing lines and the hot water heater once the tank drains of water because you have to leave a hot water tap open inside the house to release air. Last year Navein had pulled back almost 3,400 on demand water heater (tank-less) for the second time due to CO contamination but the scenario of the first time was a bit different in 2009. Touch the exterior of the tank. Whether you have a gas, electric, oil fired, or tankless water heater, we cen repair or replace them all. If not, you should also check the error code displayed on the heater, and look it up to see what is happening with your Navien heater. Each has their own advantages and disadvantages to consider. These numbers show that there is misbehaviour with your limit control, and that is not what you should mess with! Bleeding the line on the water heater removes trapped air and the mineral deposits that can affect the water heater's ability to heat water. How can I tell the age of a Navien tankless water heater from the serial number? Navien – Ultra-Efficient Tankless Water Heaters. It's important to perform a flush with food-grade, white vinegar at least once every 12 to … Here are descaling instructions for the most common tankless water heater manufacturers: Navien combi-boilers have inlet water screens on the DHW cold-water connection, along with a screen between the heating supply and return connections. A tankless water heater for a 2-bathroom house, therefore, would need to offer a GPM of 8.5 to provide all the appliances with water at the same time. Locate the switch near the bottom of the tank. To properly maintain and clean your tankless water heater, you must flush and remove the mineral deposits from your tank at least once per year. A family consisting of 3 to 4 members will need to spend $55 dollars, a family consisting of more than 5 members need to spend $77 to $88 each. About Navien. This is not usually what happened, but if there is no water coming out, then you should go check your pipe valves and water inlet filter. One other possibility is that there is a problem with your recirculation mode. Contact us at 224-220-3656 today for a hot water heater cost quote! Well-water systems and pumps are notorious for introducing minerals and air into the hot water heater that lead to sediment and air bubbles inside the water heater. See in later posts! The power valves could be shut off earlier. Make sure you use a garden hose that does not have any leaks in it. Not only are they highly efficient, but they can also save you money by heating water only on-demand. Brenner graduated from San Diego's Coleman College. Vinegar will break down the mineralized gunk inside your unit. Navien claims, and we’ve independently backed up using a number of other sources, that their products have the highest energy efficiency in the industry — up to 0.97 UEF / 0.99 EF. Problems with Tankless Water Heater Temperature. See all tankless water heaters benefits and how you can reduce the cost to install a tankless water heater. The hose bib has to be turned on and off as the bucket fills -- a cumbersome method that can introduce air back into the tank. Navien Tankless Water Heater Reviews With almost 10 tankless water heater models in their range, it wasn’t easy to narrow down on the top three. If you have any problems with your Navien heater, feel free to ask in the comment section! A hot water heater with trapped air inside does not operate at peak efficiency. This code displays an overheated heat exchanger problem. Hot water from the tank can cause scalds or burns if you don't let it cool sufficiently. When it is cool, you can begin the process. © Copyright 2020 Hearst Communications, Inc. Lead the hose to the outside through a window or into the tub to drain. With a gas water heater, the most common problem is that the burner is clogged, resulting in partial heating of the burner or sometimes there is no flame at all, and the entire burner remains unheated.. Navien is part of KyungDong Navien. Navien tankless water heater is one of the latest products from Navien. See in later posts! Every model of Navien tankless water heater is Energy Star rated. A hot water heater with trapped air inside does not operate at peak efficiency. About Navien. Look up in the manual guide for how to clean it. It flushes the system clean while it bleeds the tank of any air trapped inside. 1. Navien tankless water heater technology uses steel heat exchangers instead of the industry standard of copper material. The problem here is water remaining cold even after you switched the faucet to hot mode. If it is an electric tank, you can turn it off at the circuit breaker in the electric service panel for the home. To ensure a tight seal, use the wide-mouth pliers to tighten the hose fully onto the drain cock. On that time Navien tankless water heater problems were about technical issues.. To break the ice regarding a technical … This is especially true if they are not professionally installed—in many cases, gas lines need to be extended in order to accommodate for an on-demand (tankless) water heater. Navien Premium Non-condensing tankless water heaters deliver a continuous flow of hot water for as long as you need it. For any other strange, unusual or potentially dangerous, you’d better shut water heater off, then call for help from the technical support. It runs with electricity, so you need to be careful all the time to avoid terrible electric shock. After, use ImproveNet to connect with local plumbers! 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