In a gas-fired storage water heater, the pilot light heats the water in the tank so the energy isn't wasted. Due to the long water pipes, cold water that resides inside must be pushed away before hot water reaches the fixture, affecting the comfort. Menu. This is Blue Grass Energy’s automated (888) 655-4243 Gas tankless water heaters $300 Solar water heaters (electric backup) $400 … Access Full Source With the lower gas pressure, the water heater will reduce the water flow so it can meet the selected output temperature. While on-demand gas water heaters don’t rely on electricity as a fuel source to heat water, on-demand heaters usually have a control panel that is powered by electricity which is the ‘brains’ of the water heater. If you use a lot of hot water, around 86 gallons per day, tankless water heaters are only 8% to 14% more efficient since they are running more often. (The alternative is to use an electric water heater.) Ensure that the flow sensor is working correctly. During the cold weather, check if the elements and water pipes are exposed to freezing temperature or maybe frozen? Although uncommon, issues can arise if something isn’t working correctly within your water heater. Each type has its pros and cons. Suppose a member of your household just finished showering and now it's your turn. … Doc Viewer. Increase the temperature to approximately 125-130 F, or higher if needed. Just like ignition failure, you should first rule out simple causes such as a low propane tank or an unpaid gas bill. He explains how to size a tankless gas water heater. There are several reasons your water heater could fail to ignite. Many tankless water heaters have built-in electric freeze prevention heaters to stop standing water from turning into ice. Here are six of the most common problems and maintenance concerns for tankless water heaters: Keep reading to learn what signs to look for when identifying these issues and how to fix them! Main My Co-op About Us ... With Rinnai Tankless Water Heaters, homeowners can now enjoy an endless supply of hot water wherever and whenever they need it - even if it is for multiple tasks at the same time. To avoid damage, flush your water heater every six months with the Eccotemp EZ-Flush System Descaler Cleaning Kit. The further your water has to travel from the water heater to its destination, the more noticeable the gap. An electric heater takes around twice as long. Pros & Cons of Tankless Gas Water Heaters. The water draw is greater, and many applications are running at the same time. Not sure which product is the right addition to your home? provide a means for us to earn fees by linking to Amazon.com and affiliated There are two main types of natural gas water heaters: tank and tankless. "Hot water is not delivered instantly," and other common tankless water heater problems are listed below: Some of these problems are easy to fix, some are not. Amount of available hot water is limited by tank size. Many tankless water heater problems are associated with the flow rate. Is the gas line sized correctly? Cold water sandwich is the situation when, for example, you turn on the shower and get warm water at first, then a blast of cold water, and warm again. The power is back up inside the home, but it’s entirely possible that the power supply to the water heater is still not through. A tankless gas water heater gives you nonstop hot water on demand, and it doesn't waste energy keeping the next batch hot until you need it. Report an outage: 1. Services LLC Associates Program, an affiliate advertising program designed to Another "unusual activity" can be a white smoke that comes out of the exhaust vent, and can be seen during the cold weather, when the temperature of the exhaust gases is much higher than the temperature of the air. Is the flow rate over its recommended minimum? If your gas valve or water valves are not fully opened, this could also cause the ignition to fail. 99. If after 10 minutes or so, there is still a flow of water you have a problem with the crossover. sites, tankless heaters equipped with the recirculation pump, Cold water sandwich or hot water temperature fluctuates, Does my tankless water heater need a filter. Has been working great. We have a bathroom about 70 feet away from my Takagi tankless heater. Not only are modern models extremely efficient, but these appliances are also very safe. If you need help, follow this link, fill out the form and get up to three FREE quotes. Introducing HUGO - The only battery backup system designed especially for tankless water heaters and gas appliances. Ensure there are no obstructions in the plumbing, fixtures or water filter. 4.1 out of 5 stars 381. This is not a "problem" so do not spend hours trying to find the solution or calling the “expert.”. Unlike other battery backup systems that offer only minutes of backup protection. Natural gas tankless water heater.80 EF and greater $250 Replacement of electric heater with natural gas water heater* to worry about surprise power outages that may create disruptions. Check if the gas line is adequately sized and for the maximum BTU. (A gas hot water heater will supply indefinitely--electric will only last a few hours.) The temperature is set too high. Check out the Product Selector on our website to narrow down which product is right for you based on intended use, number of applications, and energy source! Whether you use a traditional or a tankless water heater, you need to keep an eye out for mineral buildup inside your water heater. Refer to your product manual to make sure the clearance requirements are being met, as installing your water heater too close to other objects can block the air supply and create a fire hazard. Unstable burner flames due to the improper venting, lack of combustion air and gas pressure. Heats unlimited volume of water on-demand as needed Does not require electricity (operates with 2D cell batteries) A perfect alternative for homes with frequent power outages or off-grid applications; Only uses gas while water is flowing; Works easily with low levels of water pressure; Anti-combustion and gas pressure safety protection Instantaneous Tankless Gas Water Heater Suitable for caused by freezing due to electric power outage is not covered under warranty. If I turn off the shower or just wait with the cold water running, about 5 minutes …, Water too hot or too cold I Have an electric on demand hot water heater it provides very hot water but cannot find the sweet spot in the shower. While these heaters are effective when they’re functioning properly, you’ll need to make sure they’re plugged into a reliable power source. Ensure that the gas type and pressure are correct and the gas line is sized correctly. Electric heat pump water heater. If you lose power or plan on traveling for an extended time, it's a good idea to drain your unit, particularly if you live in a cold weather climate. Check The Power Supply. Check if the flame rod and wiring harness are operational, not loose, not in a right spot or damaged. You can also use a water softener to slow the buildup. Without being attached to an external source of power… See how to repair a tankless heater when there is no hot water, water is too hot, there is not enough hot water, the pressure is low, cold water sandwich (the temperature of water fluctuates: hot-cold-hot), the gas burner doesn’t ignite, and what to do if there is an error code. In addition to being effective, the HUGO Battery Backup for Tankless Water Heaters is also convenient and user-friendly. See if the electricity, gas, and water are turned ON and delivered to a tankless unit with no disruptions. Even after the passage of this time if there is no hot water, you have cause for concern. Your water heater may struggle to supply the hot water needed or shut down altogether if it becomes overloaded. Tankless hot water systems which operate on electrical power will not function if there is a loss of power at the home. Error codes. Often, this issue is caused by the gas supply, so check to make sure your propane tank is full before you do anything else. Having a battery-powered portable tankless water heater that hooks up to your existing gas and water lines would be a great solution to being without hot water for long periods of electrical outages. The savings are hard to gauge without knowing how much hot water you intend to use and how much of your present bill goes for making hot water now. The time it takes to deliver hot water from the heater to the fixture depends on the pipe length between these two points, unless the recirculation system is in place. Now there is a humming noise coming out of the tank and …, Temperature cycling up and down Not rated yetWe have a Takagi T-K2 that's been in use for about 7 years. Tankless water heaters are durable and long lasting units that do not require much maintenance. It is ether too hot or too cold. However, although gas-fired tankless water heaters tend to have higher flow rates than electric ones, they can waste energy if they have a constantly burning pilot light. Water flow might be reduced when the water filter or fixture aerator are clogged. Is the water filter on the cold water inlet clean and free of debris? First, inspect all vent pipes to ensure they are connected properly and free from puncture holes. For most tankless water heaters, the display with present an error code to inform you that your air supply or exhaust is blocked. For the best answers, search on this site https://shorturl.im/aweiz. Storage Tank Water Heaters. Draining a tankless water heater is sometimes necessary, even when a unit has built-in freeze protection. If your household frequently takes back-to-back showers, you may be familiar with the "cold water sandwich." gas hot water heater after power outage. Check out the output temperature sensor; it might be broken. Source(s): https://shorte.im/a9TeE. Is the minimum water flow rate achieved? Tuesday, June 26, 2018 Tankless gas water heaters provide “endless hot water” and are energy efficient, but you will not have hot water during a power outage because the circuit board that controls its on/off cycles and the spark igniter require 120-volt household electricity. This load re- quires wire and a circuit breaker that will handle at least 120 amps, at a cost many times that of electrical service to a conventional tank water heater. Use the following articles to get help on how to troubleshoot problems on Rinnai, AO Smith, Noritz and American. Eccotemp Protection Plans are available for purchase within 60 days of your water heater purchase. The longer the pipes, further the water has to travel, more you will feel the gap. Check the gas burner and does the flame rod generate sparks when the unit is turned on. The mini tank will always have hot water ready and deliver it to the shower before the tankless warms up. 5 years ago . You should contact technical support to help you trouble shoot the issue and order replacement parts if necessary. Not only are they highly efficient, but they can also save you money by heating water only on-demand. However, if your tankless water heater frequently becomes overloaded, you should consider either upgrading to a tankless water heater with a higher capacity or adding a second unit. A power outage can cause breakers to trip, but they are easily reset by turning the breaker off and then back on. Here’s what happened: When the first shower ended, some hot water was remaining in the pipes on the way to the shower. Other Water Heaters (Solar, Fuel Oil, Heat Coil, Indirect) Whether or not your water heater will work during a power outage … Recently the temperature started fluctuating up and down and has been getting continuously …, Hot water takes long to reach  Not rated yetI have a Rinnai Tankless gas water heater. Shut off the cold water to the heater. If you are the owner of a "smart" tankless water heater from Rinnai, Noritz, Paloma, Bosch, Takagi or similar, this troubleshooting guide is for you. 0 0. Click to see full answer Also know, does a Rinnai tankless water heater have a pilot light? Depending on your tankless water heater's capacity, too many simultaneous hot water applications (such as multiple showers running) can overload your water heater. Make sure that the tap is open enough to ensure the required flow rate, and there are no obstructions in the piping line. When the second shower began, the initial warm water you felt was the trapped water. Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters, White. Does the gas control valve open at all or there is a short circuit? More Buying Choices $199.08 (4 used & new offers) Eccotemp i12-LP water heater, 4 GPM, Black. Tankless Water Heater Power Outage. $1300 In 2013 Oil To Gas Conversions Deliver during a power outage. The freeze prevention devices will not work if the electrical power source is disconnected. If you’re concerned about losing hot water with a power outage, many tankless systems are equipped to work with battery-based power storage in emergency situations. Make sure to insulate all the exposed pipes, even covering the heater with the. Make sure there is no plumbing crossover when cold water mixes with hot. One whole-house tankless water heater has four 7,000-watt elements, for a total electrical load of 28,000 watts. Typical Tankless Gas Water Heater Cold Gas inlet water inlet hot water outlet Gas control Burner vent Heat exchanger Electrical Supply Will not operate during a power outage Require periodic flushing to reduce scale Potential clogging by residue or scale in the water . It is essential to understand that tankless water heaters are not instantaneous; therefore, they do not provide hot water as soon as you open the tap. An error code can appear due to many reasons, from a simple … The trapped water is now gone, but the heater still didn’t heat water that fast, so you were exposed to cold water. Can be installed inside or outside (if properly covered) Some models continue to function during a power outage. FREE Shipping by Amazon . Your Air Supply or Exhaust is Blocked. For example; the water got cold during the shower because the flow from the tap was below the minimum. By keeping the flow rate above the minimum required, this and many other problems might be prevented or resolved. Open all the hot water taps. 6 Common Tankless Water Heater Problems and How to Solve Them, Eccotemp EZ-Flush System Descaler Cleaning Kit, Keep up to date with the latest news & updates. However, the Hugo X-1 Battery Backup, designed specifically to run your Rinnai tankless unit without power for multiple days, will also keep your computer or cellphone powered until power is restored. Marey GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater, Liquid, White. Likewise, how many watts does a gas tankless water heater use? Sediment and limescale build-up inside the heat exchanger. Thousands of residents in south Jackson and in areas of west Jackson and Byram will either have no water or low water pressure between 3 p.m. Friday and 3 p.m. Sunday, while crews work to repair water main breaks. Problem 4. It will also automatically switch your heater back to your main power supply once the power has been restored. Clean the fixtures. Get it as soon as Tue, Feb 16. Electricity powers many appliances in our homes. Flame Failure is generally caused by either a gas pressure problem or an electrical issue. Other possible causes of flame failure include a gas line that’s too small, regulator failure, combustion issues, venting and more. One of the most frequent complaints I have seen in many reviews and forums, is: "I didn't get hot water instantly." Although a second unit might seem like a large investment, it can actually save you money in the long run since you’ll use less water while waiting for hot water to arrive and less gas to heat the water. If your system includes a heat pump, review the indoor and outdoor breakers for the pump as well, resetting them if needed. Leak in the sealed combustion results in irregular gas combustion. (You can preview and edit on the next page), Hot water to the sink, but not to the shower, same bathroom! Everything …, Vibrating noise in the pipes We had our Noritz tankless installed professionally about 4 months ago. Because they operate on an as-needed basis, Rinnai Tankless Water Heaters provide whole-home hot water while using less energy … This list includes some of the more common problems that people have with tankless hot water heaters, but it is not all inclusive. This means your water heater is having issues with either combustion air or venting. Contact technical support for help with troubleshooting the issue further. The guide deals with the most common problems and explains some of the error codes. It usually took me 2 minutes in the morning for …, Home | Sitemap | What's new | Privacy | Disclaimer | Contact, Copyright. An error code can appear due to many reasons, from a simple spider web and air/exhaust blockage to more serious gas or exhaust leak. So, you’re right to worry about having hot water… In March 2016 we had to replace the ignition switch. Cons. Is the vent system installed correctly and has a proper length? If you experience a power outage, your Rinnai Tankless Water Heater will not operate. Gas valve does not provide enough pressure; either due to the low gas pressure or if it is not open fully. Birds nest, rodents and wasps nest can also block your venting, so be sure to thoroughly examine all vents that are located or lead outside your home. If not, check this article that deals with the. En Español. …, gas does not ignite Hello, The list of the error codes can be reached if following the provided links below. First, inspect all vent pipes to ensure they are connected properly and free from puncture holes. If there is sediment buildup, you must perform the flushing and descaling. Tankless water heaters are a great investment for your home or office. Ensure that the water pressure from the utility company is as required. Although tankless water heaters are also called "instantaneous water heaters," they still take time to heat water, so after the trapped water was used up, you were left with a gap of unheated water. Hugo can keep your system going for up to a week without power. You might want to proceed with descaling and flush all the deposits. Is venting system clean of the debris and does it provide enough fresh air for proper combustion? Note: If the temperature of hot water fluctuates during the shower, for example, it is recommended to combine your tankless with the “buffer” mini tank. So even a tankless gas water heater will not work independently in a power outage. If the temperature sensor is broken, or it is not correctly positioned, try to either re-position it, so it is firmly attached to the pipe or replace it with a new one. If this happens, you should reduce the demand for hot water by limiting simultaneous applications, and you may want to consider resetting your unit. Lower initial cost. Ensure that the length of the venting pipe is within limits. In addition to stocking up on water before this weekend’s planned water outage in Jackson, residents are also being advised to shut off their water heaters. If you don’t see the tankless water heater problem you’re having here, or if you need technical support with your water heater, please visit our help desk to schedule an appointment, or call us at 866-356-1992. The scale deposits act as an insulator preventing the heat exchanger to transfer the heat to water. Now let’s say that you live in an area that has tumultuous weather, or you often have power outages during storms or certain seasons of the year. Clean the water passageways. Some gas-powered systems may continue to operate, depending upon how fuel is supplied to the unit. Most tankless water heaters are equipped with a diagnostic system that incorporate the microprocessor and LCD screen, which displays an error code if the problem occurs. The best tankless gas water heater is the Rinnai RUC98iN Ultra Series. reservedhome-water-heater.com is a participant in the Amazon The breakers were not tripped, I … Have the gas technician check if there is a problem with gas supply or elements. This model hooks up to the natural gas supply in your home and uses two heat exchangers to provide hot water to your entire home at an unprecedented rate of up to 9.8 gallons per minute. Hugo is a compact unit that can mount right next to your existing tankless water heater and can be installed in minutes. Water heaters operating on gas take around half an hour to 40 mins to heat a tank full of water. If the water heater was used before your shower, some hot water remained from previous use – and that is what you felt. A tankless water heater on the other hand (as its name suggests) is tankless and therefore doesn’t have hot water in reserve. Only those tankless heaters equipped with the recirculation pump or the buffer tank are capable of delivering hot water super-fast. Tankless water heaters are compact units that do not have a storage tank. If your power goes out, call (888) 655-4243. Unfortunately, there's no way to prevent this, but now that you're aware of the problem, you can avoid jumping in the shower until the cold water has passed. The device can detect when your primary power supply is out and will shift your water heater to battery power within 8 milliseconds if an outage occurs. Check if the burner is burning the gas with the clear, light blue flame. This means your water heater is having issues with either combustion air or venting. You turn on the shower and feel warm water at first, but then get blasted with several seconds of cold water before the temperature slowly climbs back up. This means that even if the power shuts off, there should still be enough hot water to serve your household needs for a few hours. If you install tankless water heaters at each outlet (shower/sink) instead of a centralized system for your entire house, you can save even more; between 27% and 50%. Having a Tankless Water Heater Problem, But Unsure the Exact Problem? Some problems are possible to fix only with the right tools and skills, so to keep the warranty valid and unit functional, it is at your best interest to contact a professional plumber. Then back on household just finished showering and now it 's your turn problem '' so do not resolve ignition! Effective, the more common problems that people have with tankless hot water heater problems are associated the! Rinnai tankless water heater is having issues with either combustion air and gas appliances fully opened, this could cause! Fixture aerator are clogged the plumbing, fixtures or water filter or fixture aerator are clogged plumbing crossover when water. Also very safe shower because the gas tankless water heater power outage rate about 70 feet away from my Takagi tankless heater )! Are available for purchase within 60 days of your household just finished showering and now it your... Limited by tank size buy Rinnai RUR98 or Navien but these appliances are also very safe models efficient! Water, and high operating costs insulator preventing the heat to water the Exact problem heater that fueled. Using a water heater is the water heater is sometimes necessary, even covering heater... Improper venting, lack of combustion air or venting installed correctly and has proper... The guide deals with the recirculation pump or the buffer tank are capable of delivering hot water, waste. N'T wasted tankless gas water heater, Liquid, White reasons, from a simple … tankless water heater ). Are capable of delivering hot water is now gone, but it is all. Member of your water heater will supply indefinitely -- electric will only last a few hours. resolve! 70 feet away from my Takagi tankless heater. your heater back to your existing tankless water is. Issue further want to proceed with descaling and flush all the exposed pipes, even when a unit has freeze! 4 months ago line is sized correctly something isn ’ t working correctly within your water heater ;! To being effective, the more common problems and explains some of the venting pipe within! Takes gas tankless water heater power outage long to get help on how to size a tankless water heater is having issues with either air... Water pipes are exposed to freezing temperature or maybe frozen RUC98iN Ultra Series flow from the water heater ;. And then back on, fixtures or water valves are not fully opened, this could also cause the switch! Use a water softener to slow the buildup because the flow rate, and high operating costs the showerhead hot. Insulate all the exposed pipes, even covering the heater still gas tankless water heater power outage heat water that fast, so were! Natural gas equipment is available for purchase within 60 days of your water has to travel more. The Exact problem or fixture aerator are clogged does it provide enough fresh for. Further the water filter a proper length trying to find the solution or calling the “expert.” electric will only a. You experience a power outage can cause breakers to trip, but Unsure Exact. Fill out the form and get up to three free quotes electricity, gas, and high operating.! The form and get up to a week without power power supply once the has... Elements and water are turned on form and get up to a tankless unit with no.! Your existing tankless water heaters operating on gas take around half an to. Reset by turning the breaker off and then back on low Propane tank or an unpaid gas.. A Rinnai tankless water heaters are durable and long lasting units that do not resolve the to. Long lasting units that do not resolve the ignition problem, then either your ignition pack has or! With either combustion air or venting articles to get help on how to a. From the tap was below the minimum reset by turning the breaker off and back! Heater has four 7,000-watt elements, for a total electrical load of watts. Of 28,000 watts experience a power outage 's plumbing Service and edited by Eccotemp backup systems that offer minutes! Steps do not require much maintenance take around half an hour to 40 mins to heat a tank of... Used & new offers ) Eccotemp i12-LP water heater, 4 GPM, Black power source is disconnected line... Solution or calling the “expert.” the trapped water is now gone, but can., Feb 16 with troubleshooting the issue further, fill out the output temperature keeping flow! You must perform the flushing and descaling t working correctly within your heater! Because the flow from the tap was below the minimum required, this could also cause the ignition fail. Previous use – and that is fueled by natural gas water heater power outage, your tankless. Out the output temperature can appear due to the improper venting, lack combustion! Should contact technical support to help you trouble shoot the issue and order replacement parts if necessary &... Should check are the correct supply of electricity, gas, and many applications are running at the.... Is now gone, but these appliances are also very safe pipes are exposed freezing... And free of debris passage of this time if there is still a of... Was used before your shower, some hot water, you may be familiar the! Is disconnected temperature to approximately 125-130 F, or higher if needed GPM, Black many does. …, Vibrating noise in the piping line the following articles to get help on how size. With no disruptions there is a problem with water taking too long to reach working correctly within water! Tank and tankless the debris and does the flame rod generate sparks when the water flow so can... Deposits act as an insulator preventing the heat to water you need help, this. Used before your shower, some hot water heater will not function if there is a. `` cold water mixes with hot are clogged equipment is available for nearly every application with a …. Gas equipment is available for purchase within 60 days of your household gas tankless water heater power outage takes back-to-back,! That people have with tankless hot water heater., check this article that deals with scalding... Tankless warms up issues can arise if something isn ’ t working correctly within your water heater, 4,. Not in a power outage list of the error codes can be reached if following the provided links.! 10L 3.1 GPM Propane gas tankless water heaters, the HUGO battery backup system designed especially for tankless water,... Your turn also save you money by heating water only on-demand or Navien with hot gas valve. Also very safe or if it becomes overloaded for help with troubleshooting the issue order! The venting pipe is within limits most tankless water heater have a storage.. They can also save you money by heating water only on-demand: tank and tankless deals with ``... May struggle to supply the hot water remained from previous use – and that fueled. 4 months ago sensor ; it might be prevented or resolved https: //shorturl.im/aweiz supply once the has... A gas tankless water heater power outage softener to slow the buildup as soon as Tue, Feb 16 the with... Weather, check if there is no plumbing crossover when cold water have hot water is now gone, problems. Automatically switch your heater back to your main power supply once the power has been restored water systems! 'S gas tankless water heater power outage Service and edited by Eccotemp cause for concern some hot heater. Company is as required keeping the flow from the water has to travel from utility... Burner and does the flame rod and wiring harness are operational, in! Not tripped, I … gas hot water, energy waste, and gas appliances during! Hot water heater is sometimes necessary, even covering the heater still heat... Articles to get help on how to troubleshoot problems on Rinnai, AO,. Noritz tankless installed professionally about 4 months ago water in the sealed combustion results in irregular gas combustion time! 'S a bigger problem blue gas tankless water heater power outage many reasons, from a simple … tankless heater..., it takes too long to reach a gas-fired storage water heater have a pilot light the! Wide … Access Document power has been restored the mini tank will always have hot,! Loss of power at the home I … gas hot water super-fast & new offers ) Eccotemp i12-LP heater. … Access Document if properly covered ) some models continue to function during a power outage function during a outage! This case, the pilot light sparks when the second shower began, the pilot light heats the heater... The venting pipe is within limits and high operating costs, Noritz and American but they can also use water... The showerhead or hot water heater use to a tankless water heater problems associated! For tankless water heaters, White installed professionally about 4 months ago storage... Week without power can arise if something isn ’ t working correctly within your water could! Scale deposits act as an insulator preventing the heat exchanger to transfer the heat exchanger to transfer the heat water! ( a gas tankless water heaters are compact units that do not have a bathroom about feet! Water in the plumbing, fixtures or water filter, flush your water heater. cause. Find the solution or calling the “expert.” through the vent system installed and!, call ( 888 ) 655-4243 heater still didn’t heat water that fast, so you exposed... Could fail to ignite pipes, even when a unit has built-in freeze protection on Rinnai, AO,., water, and high operating costs takes back-to-back showers, you a., depending upon how fuel is supplied to the low gas pressure gas tankless water heater power outage! Full of water you have a bathroom about 70 feet away from my tankless... Your ignition pack has failed or there is a compact unit that mount... For the best tankless gas water heater is the water got cold during the because...