Place the lower dial on the gas regulator to "Pilot Lighting" then turn the control knob on the gas regulator to PILOT mode. You may need a helper and an appliance dolly. Apply soldering paste and assemble. Shut off the water and the gas to the hot water tank. A licensed technician will need to do the installation. If you’re a DIY home improver at heart and are still not convinced that a pro install is the way to go, here are some other considerations. Drain the water out of the tank and remove the old tank. The expansion tank connects onto the cold-water supply line near/above your water heater. Disconnect at the flare fitting if the gas supply line is a flexible pipe. We recommend tightening the nipple with 2 wrenchs to prevent damage. Secure all of the vent pipe sections by pushing them together so that each fits tightly to the other. Determine the proper placement on the wall by measuring from the ground up and marking the height with a pencil. A gas powered tankless water heater will also include the above and working with a gas company or gas certified heating company to connect the gas. These seismic straps will brace the tank against the wall during an earthquake and help prevent it from toppling over. Release the control knob and check that the pilot is still lit. The design should be free from sharp corners and should have a free space. Install the New Water Heater. Follow the manufacturer’s guidelines and local water heater installation code requirements. Be sure the screw "catches" a stud. Check with your local sanitation or recycling company for information on how to discard it properly. Local store prices may vary from those displayed. If you are not familiar with connecting black iron pipes, there are gas water heater installation kits available. Pull the earthquake straps around the water heater and connect them together. © 2000-2020 Home Depot Product Authority, LLC. Loop the excess line if necessary. If you are installing a new water heater, you have a number of choices for type, size and power source. These gases contain carbon monoxide. Is there anything I need to know before I get started? If the cold water supply does not have a shut-off valve, we highly recommend installing a ball valve. Tip: Stand the water heater in a drain pan that will catch water and run a line to a nearby floor drain in case it ever leaks. If you are looking to do the job yourself, it is something a novice can accomplish. For gas water heaters, turn the gas valve to the “Pilot” position. If your current water heater was manufactured prior to 2015, check the specs of the new model and make sure it will fit in the current space. First, always check your vents to make sure they are properly drawing. Then use a wire brush and clean the pipe fitting on the supply pipe. Unscrew the gas nipple on the flexible gas line. In this case, open all windows and doors immediately and contact a professional to inspect and fix the venting. This expert should be aware of all local and national codes. With the right tools, you will be able to successfully install the gas valve on your water heater. Remove any gas piping that is attached to the old water heater’s gas valve. Now you’re ready to begin installing the gas water heater. Many water heaters have an estimated life expectancy of 8 to 12 years. Be careful not to kink the line. Test the Gas Line for Leaks However, you may need to make a new T&P drain pipe. This DIY tankless installation is a reminder of why every homeowner needs to call a professional. If it doesn't, remove the access panel and relight the pilot. Connect the Gas Supply Most residential water heaters cost $150 to $400 for either gas or electric, plus $200 to $450 if you have a plumber install it. If the piping has been soldered into place, use a tubing cutter to cut the pipe. Connect the vent pipe to the hood with sheet metal screws. Replace the burner access panel and set the control at a temperature between 118 and 123 degrees. Do not pull the straps too tight, they should be snug, but not too tight. Some avoid it because they don’t want their property taxes to increase, but when the house is up for sale, the homeowner is required by law to disclose all the work that was done without a permit anyway. For proper operation and safety, it is important to follow the instructions and adhere to the safety precautions. Gas water heaters use gas fuel to increase the temperature of the water. For example, you may not install a water heater … Align the water heater so there’s easy access to the burner and controls. If you are installing a new water heater, you have a number of choices for type, size and power source. Depending on the type of water heater you buy, you will be working with gas, electricity or propane systems. Continue pressing the control knob for 45 to 60 seconds. Once you've installed your gas water heater, there are a few other things you should consider. Gas Water Heaters. If there’s a leak, bubbles will form on the surface and you’ll have to tighten or refit the joint. A properly functioning flue is necessary to remove harmful gases. The variables that can affect the cost of installing a tankless water heater are how far a water heater is located from the electric panel and if an electric panel has room for the required number of circuit breakers. Instead of calling the plumber to install the valve, you can save some money by doing the job yourself. The new water heater may require a larger gas line, which will need to be run from the gas meter to the water heater. Tighten the loose connection with a wrench and then check again. Use self-tapping sheet metal screws to secure the vent hood in place. Heat the fitting and then solder the connection. Technically, I was replacing a gas water heater using the existing set up and not installing one from scratch. Gas water heater installation may seem like a job for the pro's, but actually, it's not as difficult as you may think. Older homes may not have a gas union in the gas line or cold water shut off with a union connector for the hot water outlet pipe. Attach the vent hood over the flue on the top of the water heater. Install the union fitting last since it connects the new line to the existing line. Adjust the elbows on the Amerivent vent prior to installing. Turn off the gas. By the way, I should be clear that I knew absolutely nothing about hot water heaters prior to this one’s demise. Set the water heater into a drain pan and line-up the existing plumbing to the water heater's inlet and outles connectors. This is where the gas line will connect. Be careful not to kink the line. Move the new water heater into place. The data plate on your current tank has size and energy specifications that help make buying a comparable unit easier. The water will sputter until the tank is full and all the air has been bled fromthe tank and lines. If the water heater is a gas water heater, its very important that the gas line be installed correctly and that it doesn’t leak. Some water heaters have an indicator light to alert you when the pilot is lit. Whether you’re replacing an old water heater or installing a new one from scratch, make sure it will have at least 6 inches of clearance on all sides. If you are not 100% confident installing a gas water heater, Lowe’s recommends that you hire a professional. Follow your water heater's owners manual to light the pilot. Clean the pipe with a sanding cloth before cutting the pipe. How to Install a Gas Water Heater Why Not to DIY Hot Water Heater Installation. Check the label on your old water heater. Dispose of your old water heater. Also turn the control valve to “off” on the water heater. The location must meet minimal clearances for combustible materials. Detach the Gas Exhaust and Remove the Water Heater Flexible gas lines are required in many areas, especially areas prone to earthquakes. Use a garden hose to drain the tank completely. Turn the lower dial to your desired water temperature. Let’s run step-by-step instructions on how to install an expansion tank on your gas water heater. Apply gas-rated pipe joint compound to the union’s flare connection. Sweat any threaded copper fitting first. The earthquake strap should rest next to the tank. If the water heater is an electric one, the wiring needs to be connected properly and if the size of the water heater is increased, then a larger wire size and breaker may be required. These units must be vented directly to the outside using non-metallic plastic vent pipe. When you hear the water heater’s gas burner ignite, wait one minute and then move a smoking match near the edge of the draft hood. One wrench on the nipple, and the other holding the gas control valve. For a gas or propane powered heater turn off the supply valve and then remove the line. For an average plumber to install a traditional tank or boiler water heater, you can expect to pay between $350 and $450, or over $500 if there are structural complexities which must be navigated by the installer. I am likely going to get the Rheem 12 year 50 gallon tank at Home Depot. Another point to consider is how to dispose of your old water heater. It should list the annual energy usage and the tank size. Hand tighten the connectors and then, use a wrench to tighten slightly tighter. Generally, electric heaters have a lower recovery rate than gas-powered heaters, and the smaller the tank is in a water heater, the quicker the heater will heat the water. Follow the arrow facing into the water heater. If you’re set on installing a gas water heater yourself, make sure you’re aware of all the rules set up by your city. If your water heater is leaking, many times the issue is repairable. Can a Homeowner Install a Water Heater? The answer to this question is yes, albeit with some important considerations. If you choose to drain the tank while the water in it is still hot, use extreme caution. Similarly, the design applied must be in a position to incorporate fittings. The new water heater may require a larger gas line, which will need to be run from the gas meter to the water heater. Installation Considerations If the pilot is still lit, turn the control knob to the ON position. The following video gives you a great overview of the process for installing a gas water heater, from unpacking it to testing for gas leaks. This will make it easier to prep for the solder connection later. Still, if you enjoy doing projects yourself, and you would like to save yourself some money, replacing a gas water heater is not hard. manual with the water heater (for internal/ indoor units) or give the manual directly to the consumer. Many of these fittings are directional. Loop the flex connector around using the technique shown in the video. We highly recommend having a carbon monixide detector near your gas water heater. Align the water heater so there’s easy access to the burner and controls. Press and hold down the reset button on the control box for 60 seconds after the pilot ignites. Replacing tank-type gas water heaters require making connections to gas piping and combustion gas venting. Disconnect supply line from old water heater. Installing a gas water heater involves potentially dangerous fumes. The lower strap should be a few inches above the gas regulator. Do you have all the necessary skills for a DIY installation? If your water heater is over 10 years old, there's a good chance that it has reached the end of its life and it will need to be replaced. Add connector hoses if your old water heater didn’t have them. This means installing a new water heater, the installer has to cut the pipe the broken heater connects to and then install the cold water shut off valve and a union. However, if the source of the leak is from the tank itself, you will need to replace the unit. Then use clips to fasten the excess strap. A water heater tank can be expensive to replace. If the Temperature/Pressure Discharge Pipe is in good repair, you should be able to reuse it as well. If you do … Second, it takes a lot of different skills to properly install a water heater. Turn the knob on top of the control box to the “on” position. Turn on one or more hot water faucets to bleed air out of the system. Leave the old venting in place but check for rust or damage. Before getting started installing a gas water heater yourself, ask this … Assemble and solder using a propane torch. ", Step 5: Follow these step-by-step directions on how to install a gas water heater, and then watch the video. If installed wrong, water will not flow properly or at all. By contrast, installing a gas water heater requires significant expertise – usually at a professional level – because of the potential dangers of working with gas. Can a Homeowner Install a Water Heater? Clean the inside of each joint and the end of each section of pipe. Depending upon the area where you live, your power options may be limited to either gas or electric heaters, if you’re looking to go green, you might wish to consider a solar heater. 3) Wrap the blanket around the water heater and temporarily tape it in place. Having a non-licensed professional perform the installation can cause operational and performance issues and could negate the valuable Rinnai warranty. You have to remove the old hot water heater – turning off the gas, unhooking the hoses, draining the heater – ugh. Gas water heaters need proper venting for operation. Check your new water heater before purchasing dielectric nipples. An installation like this that involves gas piping is best left to a licensed, professional plumber. Follow the manufacturer’s … Installing a gas tankless water heater involves mounting the unit, connecting gas and water lines, and installing a flue. If they are not, we recommend contacting a professional to help you resolve the situation. They slide onto the pipe, no soldering needed. Towel Bar in Chrome-5360, JELD-WEN 30 in. Gas water heaters use gas fuel to increase the temperature of the water. Disconnect heat source from old water heater as follows: for gas, (propane) make sure the supply valve is closed (this is usually determined by the direction of the handle to the valve sitting either in the same direction as the line "open", opposite the direction of the line "closed"). Allow the water to run for several minutes. The end of the drain pipe should be no higher than 6-inches above the ground or bucket. If it's in good condition, you can use it with your new water heater. A licensed professional must install the water heater … Wrap the threads with thread seal tape and install it onto the valve. If your water heater was plumbed with copper pipes, you may need to. Attach the gas flexible line to the gas line and the water heater's gas control valve. Put the water heater in place and connect the pipes. Assemble and tighten each fitting with two pipe wrenches. How far above the roof does the vent need to be? Keep this faucet open as it will allow the tank to drain faster. You will probably want to install the tankless heater near the location of the old hot water tank so that you can use the supply lines. Paint pipe joint compound onto the thread of the gas nipple. Since it would not be economical of me to provide the codes for every town in the United States and Canada, let me just give an example. More expensive gas water heaters … x 80 in. If you have water on the floor or on top of the unit (this is different from water leaking from a supply line above the unit), you’ll probably need a new water heater. A reducer should NOT be used if the recommended vent pipe diameter is larger than the vent hood. Many people who like to take the DIY route don’t like the idea of bothering with obtaining a permit for their home improvement projects, including installing a gas water heater yourself. Learning how to replace a gas water heater can be very dangerous. If the smoke doesn’t draw up the vent pipe, the fumes are not venting properly. Let them cool before installing them onto the heat trap fittings. Close windows and doors and turn on the nearest hot water faucet. When installing a water heater that runs on gas or electricity, no heat can is applied until the heater is fully installed and filled with water. Use at least 2 screws at each connection. Next, attach the heat trap fittings and water line connections. Most residential water heaters cost $150 to $400 for either gas or electric, plus $200 to $450 if you have a plumber install it. Installing the expansion tank can be a job done yourself – as long as you have the right tools and the right guide, you will be able to install your expansion tank in no time. Connect the hot and cold water supply lines. Determine the location for the 2 earthquake straps using a tape measure. The units have gotten bigger in size compared to models built before 2015 of the same capacity from the same manufacturer. Installing a Gas Water Heater. Gas Water Heater Venting . It's also a good idea to check with a local plumbing inspector. Entrusting your water heater installation to an experienced plumber is typically better than trying to do it yourself for these reasons: Safety: Water heater installation is complicated, requiring plumbing and electrical hookups. Install the discharge pipe to … Remove the screws connecting the vent pipe to the water heater using a screwdriver or nut driver. Rinnai recommends you work with a licensed contractor trained to handle the plumbing, gas, electrical and venting aspects of installing a tankless water heater. Wrap the threads with thread seal tape, then screw it onto the new tank. Then turn off the gas supply valve to the water heater. Plumbers typically charge $45 to $65 an hour and can usually install a water heater in a day or in 6-8 hours. A gas powered tankless water heater will also include the above and working with a gas company or gas certified heating company to connect the gas. 2) Measure the height of the water heater and cut the blanket to fit if necessary. This vent is essential, and removes harmful combustion gases from the home. Attach the pressure relief valve. Check for leaks on each end of the hot and cold flexible water lines while the tank is filling. The gas water boiler is cheap, and it’s easy to install. So, because it is rated as combustible, any CPVC pipe must be a minimum of 6 inches away from the draft hood and flue connector at the top of a gas water heater, based on Table 503.1.5 “Clearances for Connectors”, of the Florida Plumbing Code and International Plumbing Code. The biggest concern is whether self-installing will violate the warranty. They are inexpensive and will alert you to a dangerous situation. Step 1 – Select a Water Heater. Turn the knob on top of the control box to the pilot position. Many communities have specific requirements in their local plumbing codes for water heaters. Keep the leg that connects to the union so you can re-use them later. One significant advantage of a gas water heater is that it stores the hot water, and once the water starts to call, it starts boiling it again. Instead of calling the plumber to install the valve, you can save some money by doing the job yourself. Remove the hot water heater and dispose of it properly. 120° is the recommended temperature setting. Remove any mounting bolts. Disconnect and drain your old heater, then remove it with a hand truck. Install the valve’s drain line from the previous tank. Do you have all the necessary skills for a DIY installation? This will help ensure adequate ventilation. Loop the excess line if necessary. Preparing to Install a Gas Water Heater If your water heater is over 10 years old, there's a good chance that it has reached the end of its life and it will need to be replaced. If necessary, "swing" the bracket 180° before fully tightening the screws. All Rights Reserved. Schedule an appointment with our water heater installation services team today. Sometimes they are preinstalled, but if not, we highly recommend purchasing a set. You can also opt for water heater supply lines in lieu of making sweat connections. This manual provides information on the installation, operation, and maintenance of the water heater. Unless you are very familiar with how to make gas line connections and work with vent connections, we highly recommend calling a professional plumber to do this work. Do not attempt installing a gas water heater yourself unless you’re experienced and comfortable with soldering, working with natural gas and following local installation codes. Disconnect the gas line at the union fitting if the gas supply line is a black iron pipe. If you are using a gas water heater, turn off the gas supply of the heater. Similar to a furnace, water heaters with gas burners will generate harmful fumes containing carbon monoxide, a byproduct of the fuel used to ignite the burner to heat the water in the tank, whether that fuel is natural gas, oil, or propane. Some of these options contain push-to-connect fittings or compression fittings. Installing a tankless water heater by yourself is especially discouraged since new gas and water supply lines often need to be installed. Both of these facts are helpful when your shopping for a new water heater. Extend your existing gas line by fitting the valves and pipe lengths you need to add a gas line that … Turn off the water supply and turn on all the hot water faucets in the house. Certainly, the easiest way to get the job done is to hire a professional to do the work for you. ", Step 2: It should be fairly tight. x 33 in. The procedure can vary between manufacturers. Use a hand air pump to … Hand tighten the connectors and then, use a wrench to tighten slightly tighter. If the supply here is made of black iron pipe, keep the tank tee and sediment trap intact. Older units fill with sediment over time, so prepare for it to be heavier than a new one. An electrical water heater is easier to install and in some cases, you can actually install it yourself with relatively little experience. PVC DWV H x H x H Wye-C4810HD3, Buy RoomMates Galaxy Unicorn Peel And Stick Giant Wall Decal With Glitter RMK3845GM, Buy Casual Home 72 in. Attach the red fitting to the hot water outlet. If you decide to solder, de-burr and clean pipes and fittings. Be sure to check your owner’s manual for your model's requirements. The biggest concern is whether self-installing will violate the warranty. 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