Please call us: 2010 - 2022. It could have come from your subconscious. 5 Years: Must be installed per published installation instructions. A water heater expansion tank is an additional small thank that is attached to your water heater unit. The Tectite by Apollo Water Heater Installation Kit with TankTee is the fastest, simplest and cleanest method by which to install a water heater with an expansion tank. While a traditional water heater might last 10-15 years, your expansion tank could fail before this point. After applying thread tape to the nipple on the expansion tank, screw the expansion tank into the threaded outlet of the TankTee and insert the 12 in. All Tectite by Apollo products are approved for use in both potable water and hydronic heating piping systems. To meet the requirement, there should not be any valve of any type between the ET and the WH. With thread tape applied to water heater nipples, screw the TankTee to the cold water inlet and the 18 in. Tectite by Apollo push-to-connect products are the cleanest and simplest way to gain flow control on copper, CPVC, PE-RT and PEX pipe without the use of tools, solder, open flame or glue. Got that, but what I don't get is whether the pressure builds up in the hot AND cold water lines. First, you drill a small hole in the existing pipe. Anything higher is out of bounds, whether specifically stated or not on a product data sheet. IOW, the code may or may not specifically state, but they do call for it to be installed as directed by the manufacturer. You must log in or register to reply here. Please visit HD Supply to create a new account or contact 1-877-694-4932 for assistance. I would like to put the tee at the ball valve with the other two ports going to the heater and the tank with similar corrugated copper lines. They only allow the tank to be placed in one position (vertical), and they are unreliable. While this is one option, we dont recommend these fittings for several reasons. In other words, without an expansion tank, would you see a rise in pressure at both the hot and cold water faucets? A Dynamic Favorites List is automatically created from your purchase history based on the timeframe, ship-to name, and product categories you want included. Dynamic:
JavaScript is disabled. Likewise, if your home runs on an open water supply system, where excess water goes back into the municipal water supply, it wont place any strain on your homes plumbing system. While things are tested to higher values to provide a safety margin, that does not mean that they should ever see that higher value. If you have a closed system, meaning there is a backflow preventer or other device that wont permit your water to flow back into the main water supply, thermal expansion will lead to significant pressure increases in your homes plumbing system. HDS IP Holding, LLC. This can happen due to debris, such as mineral deposits. If any particular ad is your REASON for blocking ads, please let us know. In the past, pressurized water that built up would simply drain back into the citys supply system. We might be able to do something about it. Our digital help center is here to help you navigate Home Depot Pro's one-source solutions and get the job done right. Contact UsPrivacy and Security Statement. You dont need a water heater expansion tank if you have a tankless water heater since there is no tank and no buildup of pressure. WA - Contractor # FASTWWH948BC | OR - Electric License # LMS17 Plumbing License # PB183 | CA - Contractor # 987398. Your expansion tank can be anywhere on your plumbing system and does not need to be installed in close proximity to the water heater. Simply insert the pipe to allow the high-strength stainless steel teeth to grip the pipe securely against the specially designed O-ring. After assembly, fittings may be rotated for simpler installation in tight spaces. Its this air pressure that allows the tank to absorb the excess pressure from your water heater, which keeps it away from your homes other systems. Please Log In to use this helpful feature. A Static Favorites List is created by adding items to your list from Search and/or Browse results, product detail pages, and previous orders and invoices. Would the weight of a 2 gallon tank be too much to hang off the pipe like that? No problem IMO as long as that only has the WH shutoff valve in the way. (see next post, I added an image). The expansion tank can be installed at any angle. Constructed of lead free dezincification resistant (DZR) brass and corrugated stainless steel for superior reliability and strength, Push-to-connect design allows for a simple and fast installation on any combination of copper, PEX, CPVC or PE-RT pipe, No-kink corrugated stainless steel construction guarantees maximum flow rate even in tight radius bends, For use with 3/4 in. I was thinking about teeing off of the sink cold water supply to put the expansion tank. You should also have a mechanism in place to check the pressure, such as a water pressure gauge, that can tell you if the tank is functioning properly or if the diaphragm has been damaged. Assembly Instructions
Does the expansion tank have to be installed on the cold side? What you do in your house, if it's not being inspected, is your problem. Imagine the inside of your homes water heater with too much pressure inside. A water heater expansion tank can often be replaced without having to replace your entire system. First, you can extend the life of your expansion tank through proper installation that ensures the air pressure in the tank matches the water pressure in your home. Plumbing code sets 80psi as the maximum for a residential situation. You are using an out of date browser. Stop valve removal and reuse is just as simple using a simple demount clip (sold separately). 11715 North Creek Pkwy Unit C106, Bothell, WA 98011, 2022Fast Water Heater Company, LLC All rights reserved | Serving Washington, Oregon & California
Devices sold are expected to be installed and used within the codethat's 80psi maximum. If you'd like to support the site, please allow ads. Warranty
I know the tank goes on the cold side but I was trying to think through the process of expansion. In other words, does the hot water in the tank push "forward" into the hot water lines, and also push "backward" back into the cold water lines? You can prevent a costly accident by periodically inspecting your expansion tank. Lots of things will 'work' if you are careful, but there is only one way to ensure someone doesn't do something stupid or forgetful, and that's to not have a valve between the WH and the ET. 1, Can the expansion tank be installed at any angle? Water expands by roughly 2% as it heats up from 50 F to 120 F. You install the expansion tank down the line from the inlet valve that sends hot water into your home. Further, your water heaters manufacturer might void your warranty if you have a closed system and fail to get this safeguard. It is most commonly installed using a T at the cold inlet to the water heater. Instead, we recommend soldering the proper fittings into the system or the use of galvanized fittings. Get the professional answers you deserve. Pt. Code generally requires the appliances and devices to be installed per the manufacturer's instructions if it doesn't specifically state a method. Pt. WARNING: This product contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. The Home Depot Pro and the Home Depot Pro logo are trademarks of Home Depot Product Authority, LLC and are used by HD Supply under license. Original poster again - saw an installation online that looks like I might be able to copy and squeeze in. It may not display this or other websites correctly. Say you're doing some service work on the hot water lineonly shut off the supply to the WH, but then the WH fires upthe ET won't be able to do its job because it is isolated from the source of the expanding water. Expansion tank directly above WH cold inlet? Although expansion tanks can be installed on the hot side, we strongly recommend they be installed on the cold line, downstream of the shutoff valve. Install the expansion tank on the cold water supply line to the water. Where should an expansion tank be installed in relation to the hot water heater? So cold water enters the tank and gets heated. All of them also will void any warranty if the incoming pressure exceeds 80psi (the max allowed in a residential setting). Will it work, yes, as long as that valve is never closed. Good info, I appreciate it. With faucets closed, the water can't expand so pressure builds. One-source solutions are available to existing Home Depot Pro customers. Finally, make the final connections to the existing piping system utilizing the Push-To-Connect ends of the connectors. If you need assistance, please call Customer Service at 1-800-345-3000. Corrugated Stainless Steel to the hot water outlet. But, functionally, it can be installed anywhere on the cold inlet line. The Show Only Items Ordered Previously filter helps find your past purchases fast! Original poster back here - besides above the water heater, I also have a utility room off the garage that has a sink and plenty of room. Could not figure out how to add the image in my post above, but here is what I am thinking. Can't find what you're looking for? Read the warning on the top of the first page. It is designed to handle that excess water that builds up. Thanks. If something is there to prevent this release, youre going to need another safeguard which brings us to the water heater expansion tank. When your water thermally expands, a water heater expansion tank prevents unwanted increases in pressure. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. The installation instructions that come with retail expansion tanks say the tank must be installed in a hanging vertical position. If you see dripping water under the tank or near the fittings, the valve might be blocked. When you choose a retail expansion tank, it comes with a Saddle Fitting. This allows you to avoid soldering and makes installing an expansion tank simpler for the average person. Static:
Edit: I guess I could have instead used the term invented or dreamed up. This will conflict with info that comes with any expansion tank you buy at a retail store. Anytime such a tank is installed, the mounting needs to be able to accommodate the weight of the tank when it is full of water. I think they show the hoses as FIPS but is this the same as NPT? So, when the water pressure gets too high, it will flow into your expansion tank instead of damaging your homes plumbing valves, fixtures, and joints, and potentially causing a burst line with immeasurable damages and cost. 2, How to know if you need a water heater expansion tank replacement. It looks like you're using an ad blocker. Water is life. I need to install an expansion tank over an existing water heater in a pretty confined space. Not only should you have a thermal expansion tank under these circumstances, but some municipalities require it. Further information available at www.p65warnings.ca.gov. Corrugated Stainless Steel connector with brass insert into the top of the TankTee. Home Water Heaters Articles Expansion Tanks for Water Heaters. Plumbing Forum, Professional & DIY Advice, Options for outdoor tankless gas water heater hookup, Shared well pump with regular pressure switch with high pressure 88psi. If you look at the installation diagrams of the ET's that I've looked at, all of them show the ET installed on the cold line with no valves between it and the WH tank itself. The saddle fitting simple clamps onto the pipe, and it comes with threading that allows you to attach the tank. Use Care Instructions. But this isnt always possible. Call 1-800-345-3000 or email us to set your web login up for your existing account. It is fast, simple and clean to install. http://www.amtrol.com/media/documents/thermxtrol/9015087_06_16_Thermal_Expansion_Tank_IO_.pdf. I actually think it was incorrect opinion presented as authoritative fact. The check valve is the mechanism that prevents the backflow of thermally expanded water in the wrong direction. That's pretty near impossible to do with a check valve (assuming it's working properly), and Murphy's law says someone will close that valve. Owner's Manual
The codes are written to help prevent Murphy's law from being a factor. In other words, does the hot water in the tank push "forward" into the hot water lines, and also push "backward" back into the cold water lines? The codes are written to account for the system's life, which may continue after you're gone. You can also upload your list using the Excel template provided on the "Favorites List Management" page. Next, the clamp is secured so that the hole aligns with the inlet for the expansion tank. Water flows through the top portion, and there is pressurized air in the bottom. Regarding plumbing it in, the supply ball valve out of the wall has threads that connect to a corrugated copper hose (I believe a BrassCraft or the like).