Direct-Vent Water Heaters . Gas water heater draft hoods come in different sizes, and if you are replacing water heater, make sure, that the draft hood and the water heater vent pipe match each other. Position everything so you can access the equipment during installation and for future servicing. Unscrew and disconnect the vent shaft at the top of the heater. • Can you use a light switch for a water heater disconnect? Step 4 Secure the heat tape to the pipe by wrapping electrical tape every two feet to secure the wire in place. You can do it! Installing our water heater is really as easy as reversing everything we just did. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. Include your email address to get a message when this question is answered. With a direct-vent system, air for combustion is drawn from a vent pipe that runs through an exterior wall or the roof. Make sure the opening is pointing towards the ground. Turn off the valves and tighten or solder the loose connection, then try again. This type of venting system is different from what you see on most gas water heaters. If the heater works properly, light the pilot light and set the heater to 120 degrees Fahrenheit to finish the installation. You have to make sure you have adequate “make-up” air to replace the air being blown out. The pilot light will generally be at the bottom of the heater behind a removable panel, but again, check the instructions that came with your heater to safely get it started. Remove any remaining unions with a pipe wrench, tubing cutter, or screwdriver. How to Install a Small Water Heater Under a Kitchen Sink. You can find power-vented water heaters wherever water heaters are sold; almost every major water heater manufacturer makes them. Reduce high electric bills by replacing an electric water heater with a natural gas or propane heater, then reduce installation costs by installing a power-vented model that can be easily vented out a sidewall. Be sure the pipe is free of scratches and debris. Some water heaters come with dielectric nipples already installed (buy a set if yours doesn’t have them). Coat the inside of the fitting and the end of the pipe with cement using the supplied cement brush. Ideally the water heater will be in a room away from the main living area so it doesn’t become bothersome. Union couplings or flexible pipe for connecting pipes should be installed to reduce the force applied to the piping. However, you should be aware of several drawbacks: If you decide to install one yourself, read the instructions carefully and make sure to follow all venting procedures. Hold the hose to the pipe (allow for a little slack) and mark and cut the pipe. Cut the pipe as cleanly and squarely as possible. If you don't see one, consult the manufacturer's guide. If there is a steady flow, this means that the tank is full. Our latest shed is also a pavilion—and you can build it, too! There are 16 references cited in this article, which can be found at the bottom of the page. If the new water heater is shorter and the old wires won't reach, surface-mount a 4-in. How to Convert From PVC to Copper Fittings for a Hot Water Heater. Electric water heater installation requires that the expansion tank pressure match the main water pressure to work effectively. Turning on hot water throughout the home activates the heater, even if the pilot light is not on, so you are able to check the pipes for leaks much more easily. Attach a hose to the drainage pipe and let the water flow into a drain. By using our site, you agree to our. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Can I Use PVC for Hot Water? Slide the compression nut onto the pipe. This is usually every four feet. Press the pipe onto the connector fitting and tighten the compression nut. Clean the pipes beforehand with steel wool if you want to reduce the amount of buildup in the water heater, but it is not required as there is only a little bit of deposit that could get into the heater from copper tubing. If you are wondering how this TRP does valve is respons… Be sure to coat the threads with pipe thread sealant or wrap with Teflon tape. You can find copper tubing, tubing cutters, pipe adapters and a soldering iron at your local hardware store. For more tips, including how to set up an electric water heater, read on! If the heater's wires don't reach the wires that connect to your home grid, then mount a metal electrical box on a nearby wall and run the old wires and heater wires to the box using an armored cable. Most have a “natural-draft” type of vent, where the hot waste gases rise through an open draft diverter and into metal pipes, which eventually lead to the outdoors. It's essential that the water heater does not make contact with the ground, even while you are setting it up, as it could alter the integrity of the heater's exterior, damage low pipes, and make the heater less effective overall. If your water heater seems like it’s on its last legs, or if it’s stopped working altogether, there’s every temptation to install a replacement as soon as possible. We explain the piping for a basic water heater installation compared with options for connecting hot water heaters in parallel, in series, or ganged. Natural gas or propane hot water heaters are generally less expensive to operate than electric heaters, but installing a standard vent in a house without an existing chimney is expensive. If the draft hood that came with your water heater has a top opening diameter designed for 3″ vent pipe, and you have 4″ vent pipe installed, use an adapter / increaser to join both of them together. Electrical models, however, need substantial energy necessities. Open all the faucets in the house and run the water in shower or bathtub until it flows steadily from them with the right water temperature. Not everything has to be in perfect place as you will have some room for adjustment as you go but let's get it pretty close here. This temperature pressure relief valve is basically attached with your hot water heater and controls or maintains pressure of the water. https://www.diynetwork.com/how-to/skills-and-know-how/plumbing/tips-on-removing-and-replacing-a-water-heater, https://www.hot-water-heaters-reviews.com/removing-the-old-water-heater.html, https://www.familyhandyman.com/plumbing/water-heater/replacing-a-water-heater/view-all/, https://www.thisoldhouse.com/how-to/how-to-replace-water-heater, https://www.popularmechanics.com/home/how-to/a173/electric-hot-water-heater/, consider supporting our work with a contribution to wikiHow. Follow the recommendations for the distances from hanger to hanger. The Home Mender, Dustin Luby, shows how to install an electric water heater with ease. When the excessive pressure is built inside the hot water heater, this temperature pressure relief valve helps in relieving pressure of the water. wikiHow's. Step 2 Solder ¾-inch hard copper pipe to a di-electric fitting threaded on one end. Remove any remaining unions with a pipe wrench, tubing cutter, or screwdriver. Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration. When you buy a new water heater, it's important to gauge your hot water needs accurately so that you get a heater large enough to supply them. The blower cools the air so the vent can be run in PVC pipe (rather than metal, as is required with atmospheric venting) and is easy to assemble. x 4-in. Remove any remaining unions with a pipe wrench or tubing cutter. First, identify the pipe material. Electric heat tapes are used to keep water pipes from freezing. You may notice the sound of the fan. Insert the end of the pipe into the fitting as you turn the pipe 1/4 turn. Hold the pipe and fitting together for 30 seconds as … Whether gas fired or electric, these water heaters heat water only as it is needed and may save up to 70 percent on a yearly heating bill. Different electric heaters have very different wire configurations and colorations, so to prevent damage to your heater's circuitry and to prevent electrocuting yourself, consider calling an electrician or electrical inspector to check your work or connect the wires for you. Twelve inch long metal nipples or appliance connectors should be connected directly to the heater so that the CPVC tubing cannot be damaged by … Keep the drain valve in the front as best as you can to easily drain out water later on in the water heater's life. By the DIY experts of The Family Handyman Magazine. Installing a Drain Line for a Hot Water Heater Pan. The use of certified heat tapes can help to reduce the frequency of these fires. Never turn the temperature of the heater above 120 °F (49 °C) or your water heater could both become damaged and the water will be too hot to use. The Thermwell 30 ft. Automatic Electric Heat Cable Kit is designed for use on metal and plastic water pipes to help prevent the pipes from freezing. Last Updated: September 28, 2020 7 expensive beauty products you can make yourself. Close the cold and hot water faucet. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. Natural gas or propane hot water heaters are generally less expensive to operate than electric heaters, but installing a standard vent in a house without an existing chimney is expensive. Use an adjustable wrench to connect the pipe from the pipe run to the water heater. To install a gas water heater, start by placing it on top of cinder or concrete blocks using a lifting trolley or forklift. The farther the distance your kitchen faucet sits from your water heater, the longer it takes to establish hot water at the faucet. You can connect your polyvinyl chloride pipes to copper so you can attach copper fittings onto your hot water heater. They can go for an electrical model because it does not need any variety of venting. Heat tapes are usually installed in attics or underneath porches and homes, especially mobile homes. Safe to overlap heating cable for easy installation; Electric heat tracing, heat tape or surface heating, or trace heating maintains and raises the temperature of pipes to prevent freezing. If they don't line up, solder elbow joints to the water heater's copper pipes to get them to connect seamlessly. We need to put the new water tank in place being sure that the hot and cold water sides are properly lined up with the plumbing as it was before. You have to provide a standard electrical receptacle near the unit to supply power for the fan. Then, solder on new copper adapters to the water intake on top of the heater to make the connections secure. Consider hiring a removal service if you lack the ability to bring it yourself. CPSC estimates there are about 2,000 fires, 10 deaths, and 100 injuries each year involving heat tapes. Remove any burs on the cut pipe. Since this method doesn’t rely on the natural buoyancy of hot air, the vent pipes don’t have to go upward. They can go out horizontally, which usually makes them much easier to install. Attach a hose to the drainage pipe and let the water flow into a drain. Building a PVC pipe solar hot water heater can reduce or eliminate the need to use "grid" power to heat water for the home. For more tips, including how to set up an electric water heater, read on! And call your local building department and ask if you need a plumbing permit to do the work. Now that everything’s connected, fill the tank with water and turn on a faucet in a nearby room to see if the heater turns on. After that, align the gas line and valve and connect them together. Re: Connecting electric water heater to CPVC i dont like the all cpvc female adapters,,,,ive seen a lot of split ones,,,,, i would recommend the brass female adapters with a … • How can I tell if a water heater is HUD-approved for mobile/manufactured homes? Switch off the electric supply to the heater at the circuit breaker. The Plastic Pipe and Fittings Association (PPFA) recommends, “that on gas water heaters there should be at least 6 inches of clearance between the exhaust flue and any CPVC piping. Leave enough surrounding room for the radiant heat system equipment. • Where are gas water heaters not allowed to be installed? If they don't line up, elbow joints are necessary to get the pipes to connect correctly. It’s best left to a professional. To know the tank is full, try one of your faucets on the top floor of your home. By using PVC pipe encased in a heat-building box, then installing this box in a location that receives ample sunlight, the water is heated … Here’s a list. Use a hand air pump to … Use a pipe wrench to get the temperature and pressure relief valve fully tightened. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. The water exiting the unit will be extremely hot. In contrast, a power-vented type relies on a fan to blow the exhaust gases out. metal electrical box on the wall or ceiling nearby, run the old wires to the box, and then run a new section of armored cable or electrical conduit to the water heater. By signing up you are agreeing to receive emails according to our privacy policy. Check the instructions and make sure the rating of the old fuse or circuit breaker is high enough to handle the new water heater. Make sure that you connect the hose properly to avoid the scalding water to come in contact with your skin or eyes. Consider hiring a removal service if you lack the ability to carry it yourself. Turn off the cold water valve at the top of the heater. This eases the strain on the joints that could lead to possible leakage. Once you’ve soldered on the adapters, align the copper pipes with the water pipes coming from the ceiling or wall and solder them together. Installing a water heater is not as hard as it seems — it's simply a matter of soldering pipes, aligning connections, and securing valves to the heater. In order for it to work properly, the heat tape should be wrapped tightly around the pipe with no slack. % of people told us that this article helped them. Heat the fitting and then solder the connection. Use teflon tape on the connecting portion of the valve if it doesn't quite fit into the heater. 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