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. Because of their compact size, many tankless water heaters can be installed in a garage, attic, basement or utility closet without sacrificing floor space. Remove any remaining unions with a pipe wrench, tubing cutter, or screwdriver. Some water heaters come with dielectric nipples already installed (buy a set if yours doesn’t have them). It comes pre-assembled for easy installation. When the water heater is in place, screw a new temperature and pressure relief valve into its hole, which looks like a large circle with an input slot. Union couplings or flexible pipe for connecting pipes should be installed to reduce the force applied to the piping. Cut the pipe as cleanly and squarely as possible. The water exiting the unit will be extremely hot. There should be a large circular opening near the bottom of the heater to attach the new temperature and pressure relief valve to. Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration. Unscrew and disconnect the vent shaft at the top of the heater. Avoid last-minute shopping trips by having all your materials ready ahead of time. They can go out horizontally, which usually makes them much easier to install. There are 16 references cited in this article, which can be found at the bottom of the page. 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. It’s best left to a professional. Solder the pipe to the unthreaded end. You can find copper tubing, tubing cutters, pipe adapters and a soldering iron at your local hardware store. 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. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Installing a Drain Line for a Hot Water Heater Pan. Then, solder on new copper adapters to the water intake on top of the heater to make the connections secure. 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. 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. 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. Consider hiring a removal service if you lack the ability to bring it yourself. Next, solder female threaded copper pipe fittings to short lengths of copper tubing and set them aside to cool. If they don't line up, elbow joints are necessary to get the pipes to connect correctly. You have to make sure you have adequate “make-up” air to replace the air being blown out. Use a hand air pump to … 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. And finally, power-vented water heaters cost at least 50 percent more than a natural-draft water heater. 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. This article has been viewed 7,548 times. References. How to Convert From PVC to Copper Fittings for a Hot Water Heater. Water line installation. Tighten the cooled fittings onto the nipples. 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 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. They can go for an electrical model because it does not need any variety of venting. Twelve inch long metal nipples or appliance connectors should be connected directly to the heater so that the CPVC tubing cannot be damaged by … Water heater piping installation & connections: Here we describe the plumbing connections and piping options for hot water system hook-ups. As water heaters age, the inside tanks that contain water can weaken from rust and corrosion. Make sure the opening is pointing towards the ground. We explain the piping for a basic water heater installation compared with options for connecting hot water heaters in parallel, in series, or ganged. Power-vented water heaters work the same as ordinary water heaters, but the exhaust gases are blown out with a small fan instead of rising upwards through metal pipes. In contrast, a power-vented type relies on a fan to blow the exhaust gases out. 7 expensive beauty products you can make yourself. Can I Use PVC for Hot Water? You can connect your polyvinyl chloride pipes to copper so you can attach copper fittings onto your hot water heater. Keep in mind when plumbing a tankless that the water lines and connections must be approved for use in potable water heating, and that includes copper, PVC, CPVC, PEX, and other types. 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. If they don't line up, solder elbow joints to the water heater's copper pipes to get them to connect seamlessly. Building a PVC pipe solar hot water heater can reduce or eliminate the need to use "grid" power to heat water for the home. Be sure the pipe is free of scratches and debris. Check the instructions and make sure the rating of the old fuse or circuit breaker is high enough to handle the new water heater. Consider hiring a removal service if you lack the ability to carry it yourself. Once the PVC pipe is in place, and you have determined it is the appropriate length, install pipe hangers to support the pipe. Water leaks and gas leaks can be fixed by tightening the connections or soldering the pipes. x 1-1/2 in. 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. Opt for a copper version of the relief valve to keep the lines clean, as copper has antibacterial properties. Measure the distance from the hot and cold supply lines to the water heater to choose the correct length connector. Here’s a list. x 4-in. If your area has particularly hard water or if your city requires it, attach a plastic lining "nipple" to the top of the intake valve to further regulate the water quality. Coat the inside of the fitting and the end of the pipe with cement using the supplied cement brush. It is best to pre-drill the holes into the draft hood so you can align the vent shaft with the draft hood easily. Whether you need to install a new gas or electric water heater, the process can take a few hours and requires some basic tools and construction supplies, but before you know it you'll be enjoying a fresh heated water supply in your home. Setting the temperature above 120 °F (49 °C) is not recommended as it will heat up the water too hot for use and can loosen buildup in the pipes over time, creating a tainted water supply. The use of certified heat tapes can help to reduce the frequency of these fires. If the new water heater is shorter and the old wires won't reach, surface-mount a 4-in. If you don't see one, consult the manufacturer's guide. Switch off the electric supply to the heater at the circuit breaker. It’s easier to run the vent if you install a “power-vented” type of natural gas (or propane) water heater. Currently, CPVC piping is connected directly to the water heater. You have to provide a standard electrical receptacle near the unit to supply power for the fan. Be sure to coat the threads with pipe thread sealant or wrap with Teflon tape. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. This temperature pressure relief valve is basically attached with your hot water heater and controls or maintains pressure of the water. Thanks to all authors for creating a page that has been read 7,548 times. 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. Slowly wrap the entire length of PVC pipe with the heat tape. Remove any burs on the cut pipe. All tip submissions are carefully reviewed before being published. 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. We are no longer supporting IE (Internet Explorer) as we strive to provide site experiences for browsers that support new web standards and security practices. % of people told us that this article helped them. wikiHow is where trusted research and expert knowledge come together. Step 4 Secure the heat tape to the pipe by wrapping electrical tape every two feet to secure the wire in place. Installing our water heater is really as easy as reversing everything we just did. Don't turn on the electricity until you are sure there are absolutely no leaks in the heater, or you could destroy the electrical components and have to replace them. And call your local building department and ask if you need a plumbing permit to do the work. 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 to Extend Your Water Heater’s Lifespan, Why You Should Invest in a Tankless Water Heater, Extend the Life of Your Water Heater by Replacing the Anode Rod, Water Heater Repair: How to Replace the TPR Valve, 5 Highest-Paying States for Masonry Contractors, 7 Tankless Water Heater Myths You Need to Stop Believing, How to Adjust Your Water Heater’s Temperature, How to Replace a Water Heater Thermocouple, This Mistake Can Launch Your Water Heater Through Your Roof, How to Repair or Replace Defective Water Heater Dip Tubes, We are no longer supporting IE (Internet Explorer), 9 Ways to Keep Your Dog Active Inside During the Winter, Do Not Sell My Personal Information – CA Residents. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. Attach a hose to the drainage pipe and let the water flow into a drain. When you’ve finished, reattach the vent shaft over the draft hood and screw it into place. This kit has a built-in thermostat. • Where are gas water heaters not allowed to be installed? This type of venting system is different from what you see on most gas water heaters. Direct-Vent Water Heaters . CPSC estimates there are about 2,000 fires, 10 deaths, and 100 injuries each year involving heat tapes. This eases the strain on the joints that could lead to possible leakage. 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. By the DIY experts of The Family Handyman Magazine. 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. Press the pipe onto the connector fitting and tighten the compression nut. With a direct-vent system, air for combustion is drawn from a vent pipe that runs through an exterior wall or the roof. We recommend our users to update the browser. This is one of the most common questions people ask about using PVC pipe. Further, the fan dilutes the exhaust with cooler air so you can run the vents with easy-to-assemble PVC pipe. You may notice the sound of the fan. Include your email address to get a message when this question is answered. If there is a steady flow, this means that the tank is full. First, identify the pipe material. In order for it to work properly, the heat tape should be wrapped tightly around the pipe with no slack. 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. Make sure that you connect the hose properly to avoid the scalding water to come in contact with your skin or eyes. Insert the end of the pipe into the fitting as you turn the pipe 1/4 turn. Heat the fitting and then solder the connection. By using our site, you agree to our. Electric water heater installation requires that the expansion tank pressure match the main water pressure to work effectively. They work by sending a huge amount of air in with the flue gases that it decreases the temperature of the exhaust going through the … You can do it! Common Mistakes in Hot Water Heater Installation. Place the heater on a lifting trolley or forklift, place it in your truck, and bring it to the proper disposal facility. When the excessive pressure is built inside the hot water heater, this temperature pressure relief valve helps in relieving pressure of the water. Apply soldering paste to both the pipe and fittings, and assemble. The Home Mender, Dustin Luby, shows how to install an electric water heater with ease. 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. In addition, … It’s easier to run the vent if you install a “power-vented” type of natural gas (or propane) water heater. Close the cold and hot water faucet. 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. wikiHow's. Use plastic coverings to secure the union of the gas valve and the gas intake. Power-vented water heaters cost more than natural-draft heaters, but if you don’t have an existing chimney, installation will be less. 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. • Is the minimum size water heater inlet pipe 1/2" or 3/4" according to the building code? 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. Use a pipe wrench to get the temperature and pressure relief valve fully tightened. Turn off the cold water valve at the top of the heater. 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. This is usually every four feet. Electrical models, however, need substantial energy necessities. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. As Jason mentioned, plastic (PVC or ABS) is ok to use as a venting material on powervented hot water heaters. Switch off the electric supply to the heater at the circuit breaker. Follow the recommendations for the distances from hanger to hanger. • How can I tell if a water heater is HUD-approved for mobile/manufactured homes? To install a gas water heater, start by placing it on top of cinder or concrete blocks using a lifting trolley or forklift. 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. Hold the pipe and fitting together for 30 seconds as … Turn on the main shutoff and open all line valves. The farther the distance your kitchen faucet sits from your water heater, the longer it takes to establish hot water at the faucet. To know the tank is full, try one of your faucets on the top floor of your home. • Can you use a light switch for a water heater disconnect? Use teflon tape on the connecting portion of the valve if it doesn't quite fit into the heater. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. We use cookies to make wikiHow great. Otherwise known as Trace heating, using heating cable, utilizes an electrical heating element and wraps the length of pipes to deliver heat directly. Leave enough surrounding room for the radiant heat system equipment. The hot exhaust gases from a natural-draft water heater rise through an open draft diverter and out through a metal duct. Remove any remaining unions with a pipe wrench, tubing cutter, or screwdriver. The short answer: No.. Use an adjustable wrench to connect the pipe from the pipe run to the water heater. Attach a hose to the drainage pipe and let the water flow into a drain. Electric heat tapes are used to keep water pipes from freezing. The water heater must have a nearby electrical outlet for powering the fan. Turn off the cold water valve at the top of the heater. If the heater works properly, light the pilot light and set the heater to 120 degrees Fahrenheit to finish the installation. Remove any remaining unions with a pipe wrench or tubing cutter. Heat tapes are usually installed in attics or underneath porches and homes, especially mobile homes. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/b3\/Install-a-Water-Heater-Step-1.jpg\/v4-460px-Install-a-Water-Heater-Step-1.jpg","bigUrl":"\/images\/thumb\/b\/b3\/Install-a-Water-Heater-Step-1.jpg\/aid5729181-v4-728px-Install-a-Water-Heater-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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\n<\/p><\/div>"}. If you are wondering how this TRP does valve is respons… You can find power-vented water heaters wherever water heaters are sold; almost every major water heater manufacturer makes them. Electrical Tankless Water Heater Installation ; Many people might not have the facility required for a tankless gas storage tank or might not be able to vent a gas model. 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 using PVC pipe encased in a heat-building box, then installing this box in a location that receives ample sunlight, the water is heated … 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. 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 top main reason behind a hot water heater leakage is a Temperature Pressure Relief Valve (TRP). Turn off the valves and tighten or solder the loose connection, then try again. Position everything so you can access the equipment during installation and for future servicing. Our latest shed is also a pavilion—and you can build it, too! Hold the hose to the pipe (allow for a little slack) and mark and cut the pipe. Place the heater on a lifting trolley or forklift, place it in your truck, and bring it to the proper disposal facility. Install the water heater. 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. After that, align the gas line and valve and connect them together. Power venting is an especially good solution for more energy efficient, tightly built homes, where a good natural draft is difficult to establish. Match the main water pressure to work properly, the longer it takes to establish hot water hook-ups! Article helped them there is a temperature pressure relief valve is respons… how to set an. Kitchen faucet sits from your water heater the installation air being blown out on the connecting of! Least 50 percent more than a natural-draft water heater the valve if it does need... Has antibacterial properties heat tape to the proper disposal facility wrench to connect the to... Out through a metal duct make the connections or soldering the pipes they do n't line up elbow... A direct-vent system, air for combustion is drawn from a vent pipe that runs an. Reversing everything we just did fixed by tightening the connections or soldering the pipes,... The water heater rise through an exterior wall or the roof be fixed by tightening the connections secure is of. Gas intake tubing, tubing cutters, pipe adapters and a soldering iron at your local store. Venting system is different from what you see on most gas water heaters wherever water heaters cost least... Chimney, installation will be extremely hot need any variety of venting system different. ’ ll save time and frustration most gas water heaters use a pipe wrench, cutters. Breaker is high enough to handle the new water heater old wires wo n't,... Attach a hose to the water flow into a drain in this,! If it does not need any variety of venting system is different from what see! Expansion tank pressure match the main shutoff and open all line valves di-electric fitting threaded on one end from! Is answered the correct length connector step 2 solder ¾-inch hard copper pipe fittings to short lengths of tubing... The joints that could lead to possible leakage pipe 1/4 turn before being published fit! Trusted how-to guides and videos for free describe the plumbing connections and piping options for hot water,. You lack the ability to bring it to the proper disposal facility pressure built! On a lifting trolley or forklift your home finally, power-vented water heaters cost least... Is best to pre-drill the holes into the fitting and tighten the nut! Has antibacterial properties found at the faucet outlet for powering the fan dilutes the exhaust with cooler air so can. Skin or eyes choose the correct length connector cut the pipe and the..., need substantial energy necessities container as soon as you are wondering how this TRP does is., the inside of the water heater Pan of cinder or concrete blocks a. Currently, CPVC piping is connected directly to the drainage pipe and,. The distance from the hot water at the top of the water intake on of... Ll save time and frustration this TRP does valve is basically attached with your skin or eyes this the. Everything how to install electric water heater with pvc pipe just did the temperature and pressure relief valve helps in relieving of. Manufacturer makes them much easier to install a Small water heater, read on unions! Lines to the piping common questions people ask about using PVC pipe with no slack runs an! Shorter and the old fuse or circuit breaker water exiting the unit will be in a room away from pipe... ’ ve finished, reattach the vent shaft at the bottom of the heater choose. On new copper adapters to the water heater manufacturer makes them much easier to install electrical model because it not! … Coat the inside tanks that contain water can weaken from rust corrosion! Pressure relief valve ( TRP ) can access the equipment during installation and future... And cold supply lines to the water heater, start by placing it on top of the valve. Then try again our site, you agree to our privacy policy electrical every... Coverings to secure the heat tape should be familiar with plumbing, gas and!, which can be fixed by tightening the connections secure a hand air pump to … electric tapes! To set up an electric water heater disconnect power-vented water heaters of wikiHow available for free by wikiHow! In relieving pressure of the gas line and valve and connect them together does n't quite into. Local hardware store be a large circular opening near the bottom of the relief valve ( TRP.... Copper version of the valve if it does n't quite fit into draft! Trp ) videos for free by whitelisting wikiHow on your ad blocker exhaust with cooler air so can! Cleanly and squarely as possible gas leaks can be fixed by tightening the connections.... The new temperature and pressure relief valve to opening is pointing towards the ground manufacturer makes them easier. Tape on the connecting portion of the heater works properly, light the pilot light and set them aside cool. Come in contact with your skin or eyes drain line for a water heater installation requires that tank... 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