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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. water heater expansion maintenance tank

Your expansion tank can be anywhere on your plumbing system and does not need to be installed in close proximity to the water heater. Edit: I guess I could have instead used the term invented or dreamed up. 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. 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. Expansion tank directly above WH cold inlet? 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. 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. Get the professional answers you deserve. 5 Years: Must be installed per published installation instructions. If you need assistance, please call Customer Service at 1-800-345-3000. All Tectite by Apollo products are approved for use in both potable water and hydronic heating piping systems. While a traditional water heater might last 10-15 years, your expansion tank could fail before this point. It could have come from your subconscious. JavaScript is disabled. Read the warning on the top of the first page. I know the tank goes on the cold side but I was trying to think through the process of expansion. Many also want the ET installed at least 18" away from the WH to help limit the amount of heat it is exposed to. Pt. Further information available at www.p65warnings.ca.gov. All of them also will void any warranty if the incoming pressure exceeds 80psi (the max allowed in a residential setting). If not by the water heater, where else are these tanks mounted?? While this is one option, we dont recommend these fittings for several reasons. The installation instructions that come with retail expansion tanks say the tank must be installed in a hanging vertical position. 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. The codes are written to account for the system's life, which may continue after you're gone.

All Rights Reserved. Static: 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). 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? Plumbing Forum, Professional & DIY Advice, Options for outdoor tankless gas water heater hookup, Shared well pump with regular pressure switch with high pressure 88psi. For a better experience, please enable JavaScript in your browser before proceeding. I need to install an expansion tank over an existing water heater in a pretty confined space. 11715 North Creek Pkwy Unit C106, Bothell, WA 98011, 2022Fast Water Heater Company, LLC All rights reserved | Serving Washington, Oregon & California

You are using an out of date browser. Stop valve removal and reuse is just as simple using a simple demount clip (sold separately).

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. This will conflict with info that comes with any expansion tank you buy at a retail store. Install the expansion tank on the cold water supply line to the water. copper tube-sized pipe, Corrosion resistant for greater longevity, Demount clip allows for fitting removal (sold separately), Fittings can be rotated after being installed for ease of use in tight spaces, Ideal for potable water and hydronic heating applications, Meets UPC, IPC, and cUPC standard requirements, Listed by IAPMO and listed to ASSE 1061/NSF 61, Maximum working pressure of 200 psi and maximum temperature of 250 degree F. After assembly, fittings may be rotated for simpler installation in tight spaces. Dynamic: In other words, without an expansion tank, would you see a rise in pressure at both the hot and cold water faucets? HDS IP Holding, LLC. You can also upload your list using the Excel template provided on the "Favorites List Management" page. Corrugated Stainless Steel connector with brass insert into the top of the TankTee. Where should an expansion tank be installed in relation to the hot water heater? All of them also will void any warranty if the incoming pressure exceeds 80psi (the max allowed in a residential setting). It may not display this or other websites correctly. Can the expansion tank be installed at any angle?

Use Care Instructions. You must log in or register to reply here. The codes are written to help prevent Murphy's law from being a factor.

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. 2, How to know if you need a water heater expansion tank replacement. Instead, we recommend soldering the proper fittings into the system or the use of galvanized fittings. Home Water Heaters Articles Expansion Tanks for Water Heaters. Could not figure out how to add the image in my post above, but here is what I am thinking. Anything higher is out of bounds, whether specifically stated or not on a product data sheet. We might be able to do something about it. When your water thermally expands, a water heater expansion tank prevents unwanted increases in pressure. Not only should you have a thermal expansion tank under these circumstances, but some municipalities require it. First, you drill a small hole in the existing pipe. Contact UsPrivacy and Security Statement.

One-source solutions are available to existing Home Depot Pro customers. 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 any particular ad is your REASON for blocking ads, please let us know. With faucets closed, the water can't expand so pressure builds. Without an expansion tank, the increased pressure can cause unnecessary stress on your plumbing fixtures, including the water heater, and cut down on their working life. Further, your water heaters manufacturer might void your warranty if you have a closed system and fail to get this safeguard. The Show Only Items Ordered Previously filter helps find your past purchases fast! Got that, but what I don't get is whether the pressure builds up in the hot AND cold water lines. In the past, pressurized water that built up would simply drain back into the citys supply system. It is most commonly installed using a T at the cold inlet to the water heater. Can't find what you're looking for? This list updates each time you open it based on the criteria selected. Corrugated Stainless Steel to the hot water outlet. The saddle fitting simple clamps onto the pipe, and it comes with threading that allows you to attach the tank. It is designed to handle that excess water that builds up. The expansion tank can be installed at any angle. You have to remember that the tank is only good for a few years, and when is fails it will fill with water and will be quite heavy. Would the weight of a 2 gallon tank be too much to hang off the pipe like that? It looks like you're using an ad blocker. A Dynamic Favorites List is automatically created from your purchase history based on the timeframe, ship-to name, and product categories you want included. Does the expansion tank have to be installed on the cold side? 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. 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. Finally, make the final connections to the existing piping system utilizing the Push-To-Connect ends of the connectors. Pt. 1, Can the expansion tank be installed at any angle? IOW, the code may or may not specifically state, but they do call for it to be installed as directed by the manufacturer. This can happen due to debris, such as mineral deposits. Water is life. http://www.amtrol.com/media/documents/thermxtrol/9015087_06_16_Thermal_Expansion_Tank_IO_.pdf. Devices sold are expected to be installed and used within the codethat's 80psi maximum. Thanks. 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 tank has two sections that are separated by a rubber valve. Please Log In to use this helpful feature. So cold water enters the tank and gets heated.

In other words, without an expansion tank, would you see a rise in pressure at both the hot and cold water faucets? I actually think it was incorrect opinion presented as authoritative fact. 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. To meet the requirement, there should not be any valve of any type between the ET and the WH. 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 call us: 2010 - 2022. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. No problem IMO as long as that only has the WH shutoff valve in the way. I'm not a current Home Depot Pro customer, but I am ready to buy today. Simply insert the pipe to allow the high-strength stainless steel teeth to grip the pipe securely against the specially designed O-ring. WARNING: This product contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. Will it work, yes, as long as that valve is never closed. Our digital help center is here to help you navigate Home Depot Pro's one-source solutions and get the job done right. I think they show the hoses as FIPS but is this the same as NPT? HD Supply and the HD Supply logo are trademarks of HDS IP Holding, LLC. Assembly Instructions 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. Next, the clamp is secured so that the hole aligns with the inlet for the expansion tank. A water heater expansion tank is an additional small thank that is attached to your water heater unit. 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. Water flows through the top portion, and there is pressurized air in the bottom. Call 1-800-345-3000 or email us to set your web login up for your existing account. Original poster again - saw an installation online that looks like I might be able to copy and squeeze in. But this isnt always possible. 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. Pumps and Tanks Well Forum & Blog. With thread tape applied to water heater nipples, screw the TankTee to the cold water inlet and the 18 in. I was thinking about teeing off of the sink cold water supply to put the expansion tank. They only allow the tank to be placed in one position (vertical), and they are unreliable. 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? (see next post, I added an image). 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. WA - Contractor # FASTWWH948BC | OR - Electric License # LMS17 Plumbing License # PB183 | CA - Contractor # 987398. Code generally requires the appliances and devices to be installed per the manufacturer's instructions if it doesn't specifically state a method. A water heater expansion tank can often be replaced without having to replace your entire system. 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. 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. If you'd like to support the site, please allow ads.

If you see dripping water under the tank or near the fittings, the valve might be blocked. But, functionally, it can be installed anywhere on the cold inlet line. If I want to put a tee right off the ball valve, what threads would the tee have? Good info, I appreciate it. 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. 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. Any problem with that? Please visit HD Supply to create a new account or contact 1-877-694-4932 for assistance.

Plumbing code sets 80psi as the maximum for a residential situation. It is fast, simple and clean to install. What you do in your house, if it's not being inspected, is your problem. 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. Warranty Imagine the inside of your homes water heater with too much pressure inside. The check valve is the mechanism that prevents the backflow of thermally expanded water in the wrong direction. 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. Owner's Manual You can prevent a costly accident by periodically inspecting your expansion tank. If something is there to prevent this release, youre going to need another safeguard which brings us to the water heater expansion tank.

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