If you suspect this is the issue we recommend you call in a plumber immediately. Electric water heaters have a whole different set of problems than a gas water heater. This is a problem that should be attended to by a professional plumber. Condensation may drip onto on the gas burner and cause corrosion that blocks the gas supply. And that’s when we saw the problem. If the flame sensor becomes corroded or covered in soot, it cannot detect flames, even when your furnace is running properly. Tankless water heaters need routine flushing to descale the mineral deposits that build up inside the heat exchanger. When your water is turned off, cold water stops flowing into your plumbing system from the outside, meaning that a tank-type or hybrid heater stops being able to refill with more water. tankless water heater. Call a plumber to repair the crossover between hot and cold water lines. We have had many different plumbing jobs completed and done right by them. This may be as inconspicuous as a worn seal in a single-handle faucet. POU tankless heaters also can save more energy than centrally installed tankless water heaters, because no hot water is left in lengthy supply pipes after the flow is shut off. Here’s the most likely problem: The water in your water heater is getting too hot. Electric Water Heater Keeps Turning Off. Frankly, when we heard that, we were surprised their tankless water heater hadn’t completely corroded and started leaking. Tankless water heaters are not immune to problems. That told us water was not getting through the fittings. This is usually your first clue there’s a problem with your tankless water heater. What to Know About Tankless Water Heaters Courtesy of Noritz Tankless Water Heater Cost. So we hooked up the pump to flush it. So, it’ll flicker off. I’ve lived in Fallbrook all my life. Can I buy a Rinnai tankless water heater at Lowe’s or Home Depot? Not that I’m aware of - Answered by a verified HVAC Technician. There are a few things that could be causing your electric tankless water heater to shut off. Wait 5 minutes and check all taps. Call me for any plumbing, sewer or gas line issues. Tankless electric heaters … To avoid damage, click here and follow the steps. A flame sensor problem could be why your furnace keeps shutting off. The problem could also be a venting issue. But you still should not neglect flushing it altogether. Whichever one of these problems you are experiencing, it's strongly recommended that you contact a professional plumber to assess the situation and correct it. Old water heaters, especially if not periodically flushed by a trained service technician, can leak. Like most high-end appliances, tankless water heaters need to be expertly installed and maintained. Flexible water heater hoses are recommended to be used with your water heater as part of the installation. The gas water heaters built today have air inlet screens. My tankless water heater keeps shutting off. When they’re not, they will eventually develop problems. What is the best gas tankless water heater? − Do not touch any electrical switch; do not use any phone in your building. If you find that your water heater has developed a leak, you should turn off the water via the valve on the heater to minimize leakage. Plumber Dale Anderson grew up helping in his dad's plumbing business in Fallbrook. It's a common issue with electric tankless water heater units but can occur occasionally with gas units as well. Acworth GA, Atlanta GA, Austell GA, Cartersville GA, Doraville GA, Douglasville GA, Hiram GA, Kennesaw GA, Lawrenceville GA, Lithia Springs GA, Loganville GA, Mableton GA, Marietta GA, Powder Springs GA, Rockmart GA, Roswell GA, Smyrna GA, Tucker GA, Villa Rica GA, Vinings GA, Woodstock GA, and Surrounding Communities. Descaling is the critical part of routine maintenance. If you heater shuts off during usage, here are a few things to check: Ensure your filter is clean and free of debris (instructions) I’m here to help with any plumbing issue. Your water heater reset button is a safety device that shuts off power to your water heater when the water temperature inside it exceeds 180 degrees Fahrenheit.. Side note: the reset button is also sometimes referred to as the ECO (emergency cut off) switch or “high limit safety thermostat switch”. Here are some potential causes for … Need to Add a Gas Line for a Barbecue Grill or Outside Fireplace? We’re proud that our quality service and fair prices have earned us Angie’s List Service Awards for three years running. He uses his "old-school" experience with all the latest plumbing technology to solve virtually any plumbing problem. Instead of the dielectric unions, brass fittings should have been used. Close off installer supplied cold water shut off valve (if none installed, install before proceeding). You’ll get a free quote and guaranteed best price. After all, that’s what happened to an earlier customer who hadn’t flushed their tankless water heater. Here are some of the most common problems we've encountered when working on tankless water heater units for our clients here in the Atlanta area. The better you maintain them, the more likely they will achieve optimum performance and longevity. The power valves could be shut off earlier. Check the filter to make sure that there's no debris in it. Hello, it is most likely a broken 'flow switch' that will have to be replaced. If you can light your pilot light, but it keeps going out, the first item to check is … Turn off the unit. But from all outward appearances, the tankless water heater looked fine – no leaks. You’re taking a nice hot shower, all sudds up and — yikes — your tankless water heater suddenly shuts off! 1. Since on-demand water heaters don’t store any water, you have to make sure you’ve purchased a unit that can provide enough hot water to your entire household. I’ve owned my own Plumbing business in Fallbrook and served neighboring cities of Oceanside, Vista and Temecula for over 30 years. 98% chance of that. Its a $400 or $500 job. You can also shut off the cold feed valve just to ensure no water is siphoned out of the tank if cold water is also used with the tank off. The response: 10 years – the same age as the water heater! How does a tankless water heater work? Though unlikely, even a small restriction could cause the sensitive computer in a tankless water heater to shut down the system. What could cause this problem? These valves automatically change the hot water flow to prevent you from getting scalding water … Mineral deposits eventually corroded it. A faulty circuit breaker or a fault in the circuit causes the electrical supply to shut off at the breaker. This is an example. The normal life span of those water heaters is in the 10 to 12 year range. This limits the flow of oxygen to the pilot light, which needs oxygen to stay lit. Customers call me “Plumber Dale”. No hot water is one of the most common problems in water heating systems. Besides, the filter could also be clogged by dust or unusual stuff from the water supply. If you suspect this is the issue we recommend you call in a plumber immediately. You’ve invested twice as much in your tankless water heater as a conventional tank-style water heater so the better care you take of it, the longer it will last. Icy cold water splashes your noggin and down your back. Water is Too Hot. Open again on Sunday from 10:00 am until 6:00 pm. They are trustworthy and honest in all their work.”. When the tankless water heater was originally installed, the installer used “dielectric unions” to connect the water heater’s fittings. So in this example, after we flushed out the insides of the tankless water heater, we put it back together properly with a brass fitting kit made for tankless water heaters. For example, if you’re connecting a galvanized pipe to a copper pipe, you need to use dielectric fittings to unite them to prevent corrosion caused by electrolysis. There are some great benefits to a tankless water heater. That’s because tankless water heaters have brass connections. Some tankless water heaters have a minimum flow rate requirement and if that number is not reached, then the heater will not turn on. There are a few things that could be causing your electric tankless water heater to shut off. Problem is: dielectric unions are supposed to be used when connecting metals that are not alike. Check that the heater is getting electricity, gas and water. However. A Dirty or Clogged Air Inlet Screen. great benefits to a tankless water heater. Rinnai Tankless Water Heater Installation and Operation Manual U334 • Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. Dirty Thermocouple. Check the gas burner and does … Did you recently turn up your hot water heater? For most tankless water heaters, the display with present an … Read more about flushing tankless water heaters here. Your Air Supply or Exhaust is Blocked. It could be something as simple as a loose wire. Why I Stock Quality Water Heaters Made by Ruud, Top 10 Foods to Keep Out of Garbage Disposal, Hot Water Recirculating Pump for Instant Hot Water, How to Find & Test Your Water Pressure Regulator. In the case that water is shut off for an extended period of time, and all the water from the tank is emptied, you must turn off the water heater to avoid damage. 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. If this flow requirement is not met, the heater will not fire. This means that the mechanism is trying to light but it's unable to. Since yesterday. 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. Prices range from about $170 for small gas-fired units to more than $2,000 for high-output heaters that can supply two showers at the same time; $1,000 is about average. Your gas valve is what delivers natural gas directly to your water heater. We’ll dive into a list of reasons why a tankless water heater may unexpectedly shut off. If there is a steady flow of water from the hot output after the pipe has drained, there is a cross flow somewhere in the plumbing that must be fixed. Additionally, hard water (water containing high levels of minerals) can cause tankless water heaters to work harder and eventually break down. If, however, the valve is broken, you must turn off the main water supply to prevent a never-ending flood. Noritz tankless water heaters have a minimum flow requirement (0.5 gpm for most models.) Fulton County, Bartow County, Cobb County, Paulding County, Cherokee County, Gwinnett County, and Douglas County. This error message could also indicate an electrical problem to the unit. Routinely flushing a tankless water heater extends its life and enables it to operate efficiently and reliably. Water heaters have safety shut-offs that trigger when the water gets to a certain temperature, usually 180 degrees. We use cookies to give you the best possible experience on our website. We are available 24 hours a day, 7 days a week. Descaling is the critical part of routine maintenance. That’s why it was turning off and on during a shower. Some of those problems create situations where hot water unexpectedly shuts off. 4. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. So you can try lowering your water temperature and see if that keeps the unit on. The customer said their tankless water heater kept shutting off in the middle of a sower. a water softening system (read more about the benefits of a water treatment system here, tankless water heater should last about 20 years (according to National Labs). In all cases, tankless water heaters must be property vented. Also, since tank-style heaters have been around longer and are more common, more professionals are capable of installing them and the labor costs are lower. It could be something as simple as a loose wire. So we disconnected the tankless water heater from its fittings. But, like many appliances, it's not perfect and it may require some maintenance now and then. When the water temperature in your water heater exceeds 180°, the red reset button (also known as the high-limit switch) trips. Turn the hot water faucet on in a nearby sink. As you can see in the photos below, these dielectric unions were corroded to the point that they prevented much water from flowing through them. However, if corrosion does occur, it can lead to serious problems. A failure in any part of this system can cause a water heater to shut off. The first things you should check are the correct supply of electricity, water, and gas to the water heater. Consult a local plumber or service person for help in … Which could be caused by the regulator, the size of the gas line, venting issues, combustion issues or other factors. How much does it cost to install a tankless water heater? This one actually corroded to the point it started leaking. This is when the water heater fluctuates between putting out hot water and then cold water and then back to hot water, etc. Water running is a sign of a; plumbing cross-over. If there is a steady stream of water, the cold water is flowing into the hot water lines. When properly maintained, a tankless water heater should last about 20 years (according to National Labs). Getting regular maintenance will catch or prevent other tankless problems. Your water heater vent is unobstructed (be careful—these are usually located on the roof) The gas valve feeding your tankless unit is turned ON, not OFF. If the tankless water heater is shutting off when someone opens or closes some cold water fixture, the problem could be with the temperature regulating valves you have installed somewhere in your water line. If you are using an electric water heater, find the electrical circuit for the unit at … You may have turned it too high. • WHAT TO DO IF YOU SMELL GAS − Do not try to light any appliance. Here are a few examples of other things that might cause a tankless water heater to unexpectedly turn off: “WaterheatersPlus Plumbing is the only plumbing company we use. Is Your Water Heater Earthquake Ready in Fallbrook, Temecula, Oceanside and Vista? Tankless water heaters need routine flushing to descale the mineral deposits that build up inside the heat exchanger. This was an older model tankless water heater that doesn’t turn on until its at least three quarters of a gallon of water flowing through them. But if this valve or its inner elements are damaged, it can’t deliver enough gas … Are tankless hot water heaters better than a tank? Finally, the problem may have to do with low water flow rate. But for now, let’s look at two major installation and maintenance causes for the off-and-on hot water phenomena. The problem could be that the supply of gas to the unit is either interrupted or if the gas is coming from a propane tank - could be that the supply of gas has run out. What does Consumer Reports say about tankless water heaters? When a customer tells us their tankless water heater is repeatedly shutting off, the first thing we do is flush it. You’re scheduling regular maintenance. The pilot light can get dirty from soot, dust and other particles. When connecting the inlet water pipe to the unit, make sure to use a wrench to hold the unit’s onnetion, and another renh to tighten, so that the flow sensor on the unit will not be loosened or damaged. If your tankless water heater seems to run out of hot water giving you a cold shower, you may be experiencing the "cold water sandwich". Tankless water heater keeps shutting off; Water heater is suddenly cold; Tankless water heater won't ignite; Electric Tankless Water Heater Keeps Shutting Off. Read more about flushing tankless water heaters here. However, if your gas water heater is turning off, it’s most likely your pilot light or thermopile is dirty or otherwise broken. In case you’re wondering, you won’t need to flush your tankless water heater as often if you have a water softening system (read more about the benefits of a water treatment system here). Open all hot water taps supplied by the heater. Then, just as suddenly, the water may turn hot again. Closed on Saturday. Copyright 2020 - Waterheaters Plus Plumbing, Gas Line Installation, Inspection & Repairs, Emergency Water Heater Shutdown Information, How Water Quality Helps or Hurts Our Immune System, Before Replacing a Kitchen Faucet Avoid These Costly Errors, Why a Tankless Water Heater Suddenly Shuts Off. This is a heat exchanger inside a tankless water heater that had never been flushed. We open at 6:00 am and close at 10:00 pm Monday through Friday. The flame sensor is a safety device designed to turn off your furnace if no flames are detected, protecting you against dangerous gas fumes. November 29, 2018 – By #Me. Check that the … If you have propane and smell gas in your home or a hot water heater that uses propane and if there is an earthquake, click here and follow the steps. To check for this, shut off the cold supply to the heater and open either the pressure relief valve or any hot-water faucet. Here’s another example from a recent customer call. Often, mistakes take a while to show up. Otherwise, those built-up mineral deposits will prevent the water heater from functioning efficiently. But no water would flow out. Eventually, if not flushed, those minerals will literally eat away at the heat exchanger, causing it to leak and shortening its life. Thing we do is flush it is flush it any electrical switch do... S when we saw the problem light, which needs oxygen to the point it started.. This error message could also indicate an electrical problem to the point it started leaking will achieve optimum performance longevity... 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