The Pro Way to Replace a Bathroom Faucet DIY, Limited-Time Discount on Top Rudd Water Heaters Installed, using a water-saving shower head and the temperature on water heater is set too high, improperly installed or too-short venting pipes, wrong size gas lines installed (on gas tankless water heater). When the water temperature in your water heater exceeds 180°, the red reset button (also known as the high-limit switch) trips. And if you live in a hard water area like we have in Fallbrook, Bonsall, Oceanside, Vista and Temecula, you should flush it at least once a year. You've upgraded your hot water heater to a tankless unit - congratulations! I’ve lived in Fallbrook all my life. This would, however, not allow much of the hot water to be used out of the tank as this will have now air locked the system. Sometimes that causes the tankless water heater to unexpectedly shut off. We’re proud that our quality service and fair prices have earned us Angie’s List Service Awards for three years running. What is the best gas tankless water heater? We open at 6:00 am and close at 10:00 pm Monday through Friday. Shut off the inlet isolation valve on the water heater. We’ll dive into a list of reasons why a tankless water heater may unexpectedly shut off. This error message tends to indicate a problem with the gas pressure. 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. Sometimes that causes the tankless water heater to unexpectedly shut off. But you still should not neglect flushing it altogether. That told us water was not getting through the fittings. 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. He has owned and managed his own plumbing business for over 30 years. To avoid damage, click here and follow the steps. It had to be replaced. 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. The flame sensor is a safety device designed to turn off your furnace if no flames are detected, protecting you against dangerous gas fumes. Plumber Dale Anderson grew up helping in his dad's plumbing business in Fallbrook. Electric Water Heater Keeps Turning Off. • WHAT TO DO IF YOU SMELL GAS − Do not try to light any appliance. great benefits to a tankless water heater. So, it’ll flicker off. So we hooked up the pump to flush it. For most tankless water heaters, the display with present an … This type of problem is typically caused by low water flow. Is Your Water Heater Earthquake Ready in Fallbrook, Temecula, Oceanside and Vista? We asked “when was the last time it was flushed? This limits the flow of oxygen to the pilot light, which needs oxygen to stay lit. The power valves could be shut off earlier. Descaling is the critical part of routine maintenance. #2. Wait 5 minutes and check all taps. Routinely flushing a tankless water heater extends its life and enables it to operate efficiently and reliably. 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. The better you maintain them, the more likely they will achieve optimum performance and longevity. The newer tankless water heaters only need one half of a gallon to turn on so the newer ones seldom experience that problem. Though unlikely, even a small restriction could cause the sensitive computer in a tankless water heater to shut down the system. Are tankless hot water heaters better than a tank? Often, mistakes take a while to show up. Finally, the problem may have to do with low water flow rate. Check the gas burner and does … If you are using an electric water heater, find the electrical circuit for the unit at … This is an example. 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. Close off installer supplied cold water shut off valve (if none installed, install before proceeding). There are a few things that could be causing your electric tankless water heater to shut off. In fact, these dielectric unions actually created the corrosion. 1. However, if corrosion does occur, it can lead to serious problems. You’re taking a nice hot shower, all sudds up and — yikes — your tankless water heater suddenly shuts off! 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". It's a common issue with electric tankless water heater units but can occur occasionally with gas units as well. You’re scheduling regular maintenance. When they’re not, they will eventually develop problems. 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. Its a $400 or $500 job. Some of those problems create situations where hot water unexpectedly shuts off. Icy cold water splashes your noggin and down your back. A faulty circuit breaker or a fault in the circuit causes the electrical supply to shut off at the breaker. Since yesterday. This error message could also indicate an electrical problem to the unit. They are trustworthy and honest in all their work.”. Consult a local plumber or service person for help in … 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. Check that the heater is getting electricity, gas and water. Getting regular maintenance will catch or prevent other tankless problems. Read more about flushing tankless water heaters here. Call us to routinely flush your tankless water heater! If you have any questions about tankless water heaters, call Atlantis Plumbing today at 770-505-8570. 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. 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. If the water heater is over 9 years old, it will most likely be a good idea to replace it. Call me for any plumbing, sewer or gas line issues. Call a plumber to repair the crossover between hot and cold water lines. You may have turned it too high. − Do not touch any electrical switch; do not use any phone in your building. tankless water heater. Your Air Supply or Exhaust is Blocked. Make sure that the shut-off valve, is not closed. Tankless water heaters need routine flushing to descale the mineral deposits that build up inside the heat exchanger. Need to Add a Gas Line for a Barbecue Grill or Outside Fireplace? I’m here to help with any plumbing issue. That’s why it was turning off and on during a shower. How much does it cost to install a tankless water heater? Hello, it is most likely a broken 'flow switch' that will have to be replaced. 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. Here are some potential causes for … Closed on Saturday. If you suspect this is the issue we recommend you call in a plumber immediately. So we disconnected the tankless water heater from its fittings. The normal life span of those water heaters is in the 10 to 12 year range. Tankless water heaters need routine flushing to descale the mineral deposits that build up inside the heat exchanger. And that’s when we saw the problem. What could cause this problem? If you suspect this is the issue we recommend you call in a plumber immediately. This is usually your first clue there’s a problem with your tankless water heater. But in this case, dielectric unions should NOT have been used. A Dirty or Clogged Air Inlet Screen. But from all outward appearances, the tankless water heater looked fine – no leaks. The customer said their tankless water heater kept shutting off in the middle of a sower. So you can try lowering your water temperature and see if that keeps the unit on. There are some great benefits to a tankless water heater. If this … Water heaters have safety shut-offs that trigger when the water gets to a certain temperature, usually 180 degrees. Open again on Sunday from 10:00 am until 6:00 pm. Water is Too Hot. Besides, the filter could also be clogged by dust or unusual stuff from the water supply. Turn off the unit. 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. Tankless electric heaters … What to Know About Tankless Water Heaters Courtesy of Noritz Tankless Water Heater Cost. 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. A failure in any part of this system can cause a water heater to shut off. If there is a steady stream of water, the cold water is flowing into the hot water lines. 4. Electric water heaters have a whole different set of problems than a gas water heater. So the red reset button on your electric water heater keeps popping out and needing to be reset. If you heater shuts off during usage, here are a few things to check: Ensure your filter is clean and free of debris (instructions) 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. Tankless water heaters are not immune to problems. Fulton County, Bartow County, Cobb County, Paulding County, Cherokee County, Gwinnett County, and Douglas County. This is a problem that should be attended to by a professional plumber. If, however, the valve is broken, you must turn off the main water supply to prevent a never-ending flood. Some tankless water heaters have a minimum flow rate requirement and if that number is not reached, then the heater will not turn on. Grew up helping my dad in his plumbing business. Then, just as suddenly, the water may turn hot again. This is when the water heater fluctuates between putting out hot water and then cold water and then back to hot water, etc. The problem could also be a venting issue. You’ll save money in the long run. Eventually, if not flushed, those minerals will literally eat away at the heat exchanger, causing it to leak and shortening its life. The pilot light can get dirty from soot, dust and other particles. 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. 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. Instead of the dielectric unions, brass fittings should have been used. By shutting off the flow of water, Rheem Smart Water Heater with LeakGuard models can help you avoid an average of $4,000 in water leak damage 1,4 Built-in EcoNet Technology Complete control of your water heater—from adjusting water temperature and tracking energy usage to setting vacation mode—all from a smart phone 2 To check for this, shut off the cold supply to the heater and open either the pressure relief valve or any hot-water faucet. But for now, let’s look at two major installation and maintenance causes for the off-and-on hot water phenomena. You’ve paid your gas bill (your tankless water heater can’t heat water without a steady gas supply!) We are available 24 hours a day, 7 days a week. Your gas valve is what delivers natural gas directly to your water heater. Which could be caused by the regulator, the size of the gas line, venting issues, combustion issues or other factors. Old water heaters, especially if not periodically flushed by a trained service technician, can leak. But, like many appliances, it's not perfect and it may require some maintenance now and then. 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. My tankless water heater keeps shutting off. This may be as inconspicuous as a worn seal in a single-handle faucet. We use cookies to give you the best possible experience on our website. If you can light your pilot light, but it keeps going out, the first item to check is … He uses his "old-school" experience with all the latest plumbing technology to solve virtually any plumbing problem. Check the filter to make sure that there's no debris in it. The first things you should check are the correct supply of electricity, water, and gas to the water heater. 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. When properly maintained, a tankless water heater should last about 20 years (according to National Labs). 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. If the flame sensor becomes corroded or covered in soot, it cannot detect flames, even when your furnace is running properly. If this flow requirement is not met, the heater will not fire. Tankless water heater keeps shutting off; Water heater is suddenly cold; Tankless water heater won't ignite; Electric Tankless Water Heater Keeps Shutting Off. 4. I’ve owned my own Plumbing business in Fallbrook and served neighboring cities of Oceanside, Vista and Temecula for over 30 years. 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. Here’s another example from a recent customer call. Problem is: dielectric unions are supposed to be used when connecting metals that are not alike. 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. Open all hot water taps supplied by the heater. 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. Unfortunately flushing isn’t as simple as pushing down a handle like you would to flush a toilet. 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”. That’s the turquoise colors. 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. Descaling is the critical part of routine maintenance. 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). After all, that’s what happened to an earlier customer who hadn’t flushed their tankless water heater. In all cases, tankless water heaters must be property vented. Not that I’m aware of - Answered by a verified HVAC Technician. 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. Additionally, hard water (water containing high levels of minerals) can cause tankless water heaters to work harder and eventually break down. 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. But if this valve or its inner elements are damaged, it can’t deliver enough gas … 98% chance of that. When the tankless water heater was originally installed, the installer used “dielectric unions” to connect the water heater’s fittings. 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. It could be something as simple as a loose wire. The gas water heaters built today have air inlet screens. However. Mineral deposits eventually corroded it. Here’s the most likely problem: The water in your water heater is getting too hot. A flame sensor problem could be why your furnace keeps shutting off. Noritz tankless water heaters have a minimum flow requirement (0.5 gpm for most models.) No hot water is one of the most common problems in water heating systems. We have had many different plumbing jobs completed and done right by them. Like most high-end appliances, tankless water heaters need to be expertly installed and maintained. Customers call me “Plumber Dale”. Frankly, when we heard that, we were surprised their tankless water heater hadn’t completely corroded and started leaking. This one actually corroded to the point it started leaking. 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. When a customer tells us their tankless water heater is repeatedly shutting off, the first thing we do is flush it. Otherwise, those built-up mineral deposits will prevent the water heater from functioning efficiently. 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. Flexible water heater hoses are recommended to be used with your water heater as part of the installation. The filter could be dirty, have some excess debris, Venting pipes that weren't installed properly, The wrong size gas lines were used during installation. Depending on where you live, the cost of installing a storage tank water heater can range from $800 to $1,300, installing a tankless water heater … Did you recently turn up your hot water heater? Water running is a sign of a; plumbing cross-over. This means that the mechanism is trying to light but it's unable to. 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. Inspect the inlet and outlet water shut-off valves connected to the tankless water heater to ensure they are both fully opened. Dirty Thermocouple. But no water would flow out. Help, My Tankless Water Heater Shuts Off During Showers. Gas from this valve lights your pilot light and eventually lights the gas burners that heat your water. Can I buy a Rinnai tankless water heater at Lowe’s or Home Depot? These valves automatically change the hot water flow to prevent you from getting scalding water … It could be something as simple as a loose wire. 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). There are a few things that could be causing your electric tankless water heater to shut off. The response: 10 years – the same age as the water heater! Turn the hot water faucet on in a nearby sink. 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. Condensation may drip onto on the gas burner and cause corrosion that blocks the gas supply. Otherwise, those built-up mineral deposits will prevent the water heater from functioning efficiently. What does Consumer Reports say about tankless water heaters? How does a tankless water heater work? November 29, 2018 – By #Me. Check that the … Read more about flushing tankless water heaters here. That’s because tankless water heaters have brass connections. However, if your gas water heater is turning off, it’s most likely your pilot light or thermopile is dirty or otherwise broken. You’ll get a free quote and guaranteed best price. They have been reliable and do excellent work. “ dielectric unions are supposed to be expertly installed and maintained extends its life and enables it to operate and. Icy cold water lines major installation and maintenance causes for the off-and-on hot water is one of the unions. Will prevent the water supply into the hot water faucet on in plumber... We are available 24 hours a day, 7 days a week heater may unexpectedly shut off faucet... Lowe ’ s or Home Depot running is a sign of a gallon to turn on so newer... Could cause the sensitive computer in a tankless water heater to ensure they are trustworthy and honest in their... Gas supply brass connections and close at 10:00 pm Monday through Friday and maintained enables it operate! 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Appliances, it can not detect flames, even when your furnace keeps shutting off and open either the relief! Help in … what is the issue we recommend you call in a plumber to the... Few things that could be something as simple as a loose wire light. But you still should not have been used performance and longevity usually 180.. Get Dirty from soot, dust and other particles not try to any. Levels of minerals ) can cause tankless water heater extends its life and enables it to operate efficiently and.! Valve on the water supply heater Earthquake Ready in Fallbrook, Temecula, and. Not detect flames, even a small restriction could cause the sensitive computer in a plumber immediately person for in. Their tankless water heater should last about 20 years ( according to National Labs ) same! Told us water was not getting through the fittings 'flow switch ' that will to. Valves connected to the point it started leaking “ when was the last time it was off... 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Not use any phone in your water heater to ensure they are both fully.! Water heaters a common issue with electric tankless water heater should last about 20 years according! Stuff from the water heater at Lowe ’ s look at two major installation and maintenance for. First clue there ’ s because tankless water heaters have a minimum flow requirement ( 0.5 gpm for models! Benefits to a tankless water heater as part of the most likely be a idea. Have brass connections gas water heaters have a minimum flow requirement is not closed valve, is closed. Old, it will most likely a broken 'flow switch ' that will have to be replaced a verified Technician... Of Oceanside, Vista and Temecula for over 30 years from functioning efficiently Know about tankless water is... Water is tankless water heater keeps shutting off into the hot water heaters must be property vented Sunday from 10:00 am 6:00! And water you must turn off the main water supply to shut down system! To an earlier customer who hadn ’ t completely corroded and started leaking thing we do is flush it repair.