Allow … EcoSmart tankless water heaters are like any tankless or conventional tank water heaters. Unscrew the hose from the isolator valve on the water inlet side of the tankless water heater. Most manufacturers recommend annual flushing, but it should be noted that ultimately, the flushing frequency needs to be determined by the hardness of your water. Open the purge port valves by twisting them perpendicularly to the position of the cold and hot valves. Locate the hot and cold shut-off valves and close them to prevent any water getting into the unit while you work. Remove the access panel and test the wires leading into the terminal with a. However, the hardness of your water plays a part in this, and you may find it better to flush two to three times per year if your home’s water is especially poor quality. The Rheem RTG20124 Flush Kit is considered to be one of the best residential tankless water heater flush kit. Allow the water to run for 10 minutes, then CLOSE the. Installing the ports will require a larger investment upfront, but overall, the task will be simpler since you'll no longer need to remove the electric heat elements. Close (turn off) the three water valves attached to your tankless water heater. These articles will help you get the most from your tankless heater: If you are a first time tankless water heater owner, you may want to consider hiring a professional to flush your system the first time. That’s why more people now appreciate its use over conventional water heaters. You'll be able to observe, ask questions, and take notes. Open your faucets to allow any water to drain from the heater. Electric heating systems use entirely different flushing procedures. Regular use helps maintain a healthy tankless water heater. However, even with these features, it's a good idea to flush your tankless water heater prior to the code triggering. Whether you plan to do the work yourself or hire a professional, knowing what needs to be done can be a contributing factor to getting the most from your tankless water heater. These valves come in a variety of shapes, but they all boil down to two basic types: rotary movement (such as a ball or butterfly valve) and linear (ex: glove or diaphragm valves). Yet even tankless models are still exposed to sediment and harsh minerals. Locate and close the gas isolation valve. It's safe, environmentally friendly, inexpensive, and very effective. Always check your owner's manual for specific instructions regarding your tankless water heater model. Hot water—whenever and wherever you want it—is one of life’s many comforts. These units deliver water to the faucets on demand without the use of a tank. Please read why it's important to check your owner's manual here, Rinnai Tankless Error Codes: How to Troubleshoot, Tankless Water Heater Buyer’s Guide: What You Need to Know. From your stove to toilet, a wide range of items in your house have some form of isolation valve installed for maintenance or emergency purposes. Close the cold water service port and remove the attached hose. If it is … It builds up a complete producing line in designing and producing high technology tankless water heater both for residential and commercial appliances. As an Amazon Associate we earn from qualifying purchases. These procedures should only be used as a guide, as always, your owner's manual will be the best source of instructions for your specific tankless water heater. The heat exchanger is especially sensitive to scale. The key focus of EcoSmart is the area of the water heater. You can see the difference once you start using it. This will break up any scale on the elements. Tankless water heater maintenance is a must and should be done at least once a year. As mentioned in the above section, we highly recommend using Isolation Valves with Service Ports. The new O-ring can then be seated in place and the canister can be closed and sealed. Tankless water heaters have high-powered burners that can heat water very quickly as it runs through the heat exchanger. In general, electric tankless water heaters have a higher energy efficiency; in the case of EcoSmart the energy efficiency is 99.8%. If the tankless water heater is gas, then shut off the gas supply. All EZ Tankless water heaters have a screen inside the water inlet side of the heater. Turn OFF the electrical power to the tankless unit at the breaker. When you think of a tankless water heater, you probably aren’t thinking tankless water heater maintenance. Be careful, as the hot water will be hot. Let’s go over the process, as well as some useful tools and important considerations. 2. They also require far less maintenance or space to operate. Replace the access panel cover and turn the electrical power back ON to the unit. For your convenience, here are specific guides for each brand: No matter which brand of gas tankless water heater you have, there are a few phases in flushing that must be done in order, but are all fairly simple to follow. Problems with Tankless Water Heater Temperature. Loosen the hexagonal brass top of the heating element in a counter-clockwise direction to remove the heating element. The amount of lime scale build-up inside your tanklesss system will increase over time, and as more and more build-up develops, the heat exchanger's burner cycles will also increase in order to compensate for the lost efficiency. Flush the Vinegar from the Tankless OPEN the Cold Water Shut-off Valve and allow the water to fill the tankless system. Examine the tank for any signs of leaks (the paper towel test work wonders here). How to Flush a Tankless Water Heater (Step-by-Step Procedure), Best Solar Water Heater Systems On The Market, Best Immersion (Bucket) Water Heater For 2021, Best Water Heater Earthquake Straps For 2021, How To Wire A Hot Water Heater: An Ultimate guide, The Importance of Flushing Tankless Models. If you have a gas tankless system, please follow the instructions outlined above that are specifically for gas tankless water heaters. While the tank is filling, check for leaks. Turn on several hot water faucets and let the water run for about five minutes to flush out the vinegar and clear any air pockets from the line. Just like the gas fueled models, hard water is a concern because of the lime scale build-up that accumulates with use. (All tankless water heaters use a cold water inlet filter. This Kelaro pump is of high quality with good quality hoses with clear instructions. There will be both a cold water service port and hot water service port. Rotate counter clockwise to remove the heating element from the copper tank. Close the cold water service port and remove the attached hose Open the cold water shut-off valve to flush out any remaining vinegar through the second hose into your bucket for about ten minutes. Depending upon the manufacturer and whether you had a technician do the installation, your tankless heater may or may not have an isolation valve installed. Do Tankless Water Heaters Need Maintenance? Just set the valve perpendicular to the gas … Preparing to Flush Your Tankless Water Heater, Flushing Procedures for Gas Tankless Water Heaters, How to Flush an Electric Tankless Water Heater, Flushing Procedures for Electric Tankless Water Heaters, Importance of Checking your Owner's Manual, How to Keep Your Tankless Water Heater Running at Peak Performance, How to Protect your Tankless Water Heater from Hard Water, Sediment Filters: Why Your Tankless Water Heater Needs One. It can provide between 3.6 and 8.7 gallons-per-minute depending on the inlet water … EcoSmart’s patented, self-modulating, tankless water heating technology delivers hot water instantly—and for as long as you need it. Shut off the power supply. The amount of time recommended to circulate the vinegar varies between manufacturers, but as a general rule of thumb, longer is better. Remove the cold water inlet filter and (if present) hot water in-line filter. Then, unhook the hose from the connection label “outlet” on the Bucket Descaler and place into an empty 5 gallon bucket. If the manufacturer of your electric tankless system offers the option to install Isolation Valves with Service Ports, and you have them in place, follow the flushing steps above for gas tankless water heaters. Electric systems are easy to flush and, in most situations (besides the vinegar) you may only require a screw driver and wrench, which you most likely already have available. While not necessary, it can be a great investment to have a kit on-hand when you own a tankless heater. An isolation valve does exactly what it sounds like: it allows you to cut off the liquid or gas supply (isolate) a portion of your pipeline without having to shut off the entire supply. Remove the cover and double check that no electricity is reaching the unit by using a. Open the hot and cold service ports and turn the pump on. Drain the vinegar and replace the heating elements by tightening them in a clockwise rotation. Gas systems are more complex. You should always use caution when working with your tankless water heater. After soaking a brush can be used to help flick the lime scale from the elements. Replace the heating elements and re-secure the wires. A tankless water heater's only line of defense from sediment is the inlet filter, which is a small mesh screen that filters the water before it enters the unit. However, even areas with lower levels of hard water need to pay attention to lime scale build-up. There are some commercial solution products available which remove lime scale build-up, however, most manufacturers recommend using vinegar. How to Install a Tankless Water Heater Pressure Relief Valve. Tankless water heaters are not immune to problems. As a general rule, your tankless water heater should be flushed once per year to maintain efficiency. Locate the hot water pressure relief valve along the hot water line and open it to release any pressure. Once you have the necessary tools and supplies on hand, the cost of performing your tankless water heater maintenance can be as low as purchasing a few gallons of vinegar! Works great and easy to setup and use. If this happens, professional repair will most likely be necessary. Flushing a tankless water heater on a regular basis is the single most important task to keep your heater running at peak performance. Using a screwdriver, secure the wires to the top of the heating elements. Place your submersible pump into a five-gallon bucket. Don't guess, find out when and how to flush your tankless heater. Disconnect the electrical power going to the heater. Its electric models are equipped with a self-modulating technology that allows you to save energy, money, and space. Failure to flush your tankless system can result in a reduced service life and unnecessary fuel expenses. Do NOT dilute the vinegar. Ignition Failure. Shut off the main gas or turn off the circuit breaker for electrical devices. How to Flush an Electric Tankless Water Heater, Rinnai tankless water heater flush procedure, Rheem tankless water heater flush procedure, Notritz tankless water heater flush procedure, Navien tankless water heater flush procedure, Takagi tankless water heater flush procedure, 6 Ways to Unclog a Water Heater That Won’t Drain. Inspect the heating elements for any signs of damage. Water hardness refers to the mineral content within the water, and some areas are prone to harder water than others. They are still prone to malfunctions. Remove the screws securing the wires attached to the top of the heating elements. Tankless water heater require flushing every 6 months to a year. Tankless water heaters are very different from their tank-style cousins, however, both are negatively impacted by limescale build-up. You can flush out a tankless hot water heater in about one hour. Open the cold water shut-off valve to flush out any remaining vinegar through the second hose into your bucket for about ten minutes. Disconnect the electrical power to the tankless water heater. 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. Unlike a traditional tank model, a tankless heater isn’t at risk of explosion from the buildup, but it can still lead to some costly problems. Clean the hot water in-line filter at this time if your unit is equipped with one). How to Flush Your Tankless Water Heater: Gas and Electric, Everything You Need to Know About Water Heater Boosters, Suburban RV Water Heater: A Buyer’s Guide, Mobile Home Water Heater: A Buyer’s Guide. As lime builds up in the unit, the exchanger needs to work harder and more often to provide hot water. Below, we've highlighted what size water heater you would need in our example of 6.5 GPM at a 63° F temperature rise. The harder the water, the more frequently you should flush. Another great tool is a good flush kit. 4-gallons of virgin, food grade white vinegar. Shut off the electrical power at the breaker. These kits generally include everything you need, such as a pump, bucket, descaler, and hoses. Bosch offers an O-ring kit that can be purchased. I am about to install a new Ecosmart Eco 18 tankless water heater and am wondering if it is really necessary to purchase those expensive ($90) brass shut off valves they sell for this application. Rheem RTG20124 Flush Kit – Tankless Water Heater Flush Kit. Fill the cooper chambers with undiluted virgin food-grade white vinegar. The first step is you need to turn off the gas line valve. Flush the cold water inlet filter with tap water. Flushing a tankless water heater is a critical part to keeping the system performing at it's optimal level. Once connected you can run a solution of water and vinegar to clean the heat exchanger of any scale deposits. Although, we highly recommend having a professional check your unit annually, the flushing task is not too difficult and can save you money if you do it yourself. If you have an electric tankless system, please follow the instructions outlined for electric tankless water heaters. Key Specifications and Features to Look for in a Tankless Water Heater Dimensions. Inspect the heating elements. Tankless Water Heater Maintenance. As always, your best reference is your owners manual which will have instructions for your specific tankless system. Here's a few safety precautions: Both gas and electric tankless water heaters need to be flushed regularly, however it's important to note that the procedures are entirely different. Manufacturer recommendations vary, but most suggest that your tankless system should be flushed every 12 months. Tankless water heaters have become a real convenience in many households nowadays. Flushing out an electric tankless water heater is a bit different from gas units, and some disassembly may be required. Open the Hot Water Shut-off Valve. A good tankless water heater filter can help control how much lime gets into the system. Once you have your total flow rate and the required temperature rise, you can find the right-size tankless water heater for your home. Learn how to protect your tankless from hard water. Heat exhangers are very sensitive to lime scale and even small amounts of build-up can negatively impact a tankless heater's performance and efficiency. In all cases, tankless water heaters must be property vented. Some manufacturers also use a hot water in-line filter. In addition, you'll want to keep safety top-of-mind. Tankless heaters are no exception. While the tank is filling, check for leaks. With the proper care, a tankless water heating system can have a service life of up to 25 years and save you money every month in utility expenses. If your gas tankless heating system does not have Isolation Valves with Service Ports we strongly recommend contacting a plumber to have them installed. Without a tank to "store" any incoming sediment, the tankless relies on this filter for protection. Other manufacturers, such as Bosch, use a design with smaller water flow channels which require an entirely different flushing method. Learn how to protect your tankless from hard water. However, if you do not have them installed, we recommend contacting a qualified professional to either install them for you or flush your tankless system. A cracked element should be immediately replaced. Allow the vinegar to circulate through the heater for a minimum of one hour (longer if the pump runs at less than four gallons per minute). If not flushed properly, the tankless unit could be damaged and require service/repair. Besides lowering the efficiency of the heater, this will also negatively impact the service life of the heat exchanger and ultimately the tankless water heater. If your local water’s hardness exceeds 8 grains per gallon, you may need to install a water filter prior to installing the water heater. Often, this issue is … A sediment trap or softener can help with hard water to a point. Other manufacturers leave the decision up to the plumber who is doing the installation. Fill the copper chambers (with the heating elements inside) with virgin, food grade white vinegar. Checking your owner's manual is critical with an electric tankless water heater since there can be significant design variations between manufacturers. Since the burner cycles are increasing, the tankless system is required to work harder than it should in order to get the same results. Vinegar is a safe and effective cleaning agent and is environmentally friendly. This will help flush the vinegar and remove any air pockets within the hot water lines. EcoSmart, as its name suggest, aims to provide energy-efficient and smart technology tankless water heaters for people from all over the world. The water within the system can be VERY hot, especially if the heater was just operating. Lot cheaper than calling a plumber to flush. Turn the Submersible Pump OFF and dispose of the vinegar. Fill the 5-gallon bucket containing the submersible pump with 4-gallons of virgin, food grade, white vinegar. Sediment. And since lime scale build-up can wreak havoc causing damage, loss of efficiency, and reduced service life, it's critical to be proactive when it comes to flushing your tankless water heater. Remove the screws which secure the wires to the heating elements. Home » Maintenance » How to Flush a Tankless Water Heater (Step-by-Step Procedure). Replace the filter(s) securely and open the hot and cold water shut-off valves. Allow the vinegar to soak inside the chambers for 90 to 120 minutes. An excellent one that I recommend is J.C. Whitlam FLOW-KIT Flow-Aide System Descaler Kit that you can order on Amazon. Tankless water heaters use a heat exchanger to transfer heat to the water. 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