How an Expansion Tank Works. An expansion tank is required in certain circumstances and can help a water heater last longer. We all know that water expands …Septic tanks are a type of onsite sewage facility. They are frequently used in rural areas that are not connected to a sewerage system. Expert Advice On Improving Your Home Videos ... We would like to show you a description here but the site won’t allow us. Mechanical Services. At Marshall Industrial Technologies, our mechanical services group specializes in helping customers keep their operations up and running with high …Expansion tank installation on a water heater? When do you need a thermal expansion tank? In this video, I am explaining what an expansion tank is, what does...A thermal expansion tank is an essential component in a water heater system, specifically designed to accommodate the expansion of water as it heats up. Initially, when water is heated, it expands. Consequently, in a closed plumbing system, this expansion can create dangerous levels of pressure. Fortunately, this is where a thermal expansion ...The thermal expansion tanks come with an air bladder and it is pressurized with air. The bladder will expand and contract thereby absorbing the expanded water from the water heater. Most of the expansion tanks come with 12 to 40 psi pressure, however, before you can install the expansion tank, you should …The expansion tank will absorb excess pressure within the tank (see Figure 608.3a). The pressure relief valve relieves the excess pressure by discharging until ...Expansion tank installation on a water heater? When do you need a thermal expansion tank? In this video, I am explaining what an expansion tank is, …Protection from thermal expansion is provided in a plumbing system by the installation of a thermal expansion tank and a temperature and pressure relief valve ( ...Armstrong Expansion Tanks are designed to reduce tank sizes by up to 80% over standard designs. Expansion tanks use compressed air to maintain system pressures by accepting and expelling the changing volume of water as it heats and cools. Diaphragm or bladder tank designs isolate the expanded water from the pressure controlling air …As water heats inside the water heater and exceeds the capacity of the tank, the overflow rushes into the expansion tank. When an expansion tank is installed, the extra water volume automatically rushes into the tank.This lowers the water pressure inside your water heater to safe levels, protecting your tank (and other water …Expansion tank installation on a water heater? When do you need a thermal expansion tank? In this video, I am explaining what an expansion tank is, …AMTROL ST-12 (Therm-X-Trol) is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of water expansion. Water heater expansion tank is commonly installed in a domestic hot water system that contains a backflow preventer, a check valve or a pressure reducing valve. AMTROL ST …You got this. In this video, I share how to replace a standard expansion tank set up. This is only my second time doing it and if I can do it, then you can t...How a thermal expansion tank works. As mentioned before, when water expands, that pressure has to have somewhere to go. A thermal expansion tank is an additional component that is installed …An extremely important part of maintaining your expansion tank is checking the pressure. To check your expansion tank pressure, you should use a standard tire gauge and press it against the valve on the top of the tank. You can then adjust the pressure with a hand pump and raise the pressure as needed. If pressure is too high, simply press ...5. The water heater and expansion tank will now be operational. The expansion tank will control pressure increases caused by thermal expansion to a level below the water heater relief valve setting. Maintenance A licensed professional should check the complete system, including the expansion tank, yearly and more frequently as the system ages ...We love text expansion because it can save you so much time typing. Apple quietly built it into iOS, and it's our favorite way to create typing shortcuts on our iDevices. We love t...Feb 9, 2010 ... If it is on the cold line it will fill with cold water and when you open a hot faucet the cold will leave the tank and feed into the cold inlet ...As your water heater gets hot, the water inside begins to expand. This quick expansion can cause stress upon your plumbing. A thermal expansion tank, also known as a water heater expansion tank, is a great tool to help mitigate damage. These tanks will catch any overflow and prevent the water pressure from getting too high.Guardian CP Digital Control. Durabase Tank Spacer. Pump Mounting Stand. PLUMBING & HOT WATER. Therm-X-Trol Thermal Expansion Tanks. Other Amtrol Thermal Expansion Tanks. Hydromax Water Heaters. BoilerMate Water Heaters. Premier Water Heaters.A thermal expansion tank is a small, metal tank installed above your water heater. Inside the tank, there’s a small diaphragm that holds a pocket of air. When the water is heated and expands, the excess pressure and water are pushed into the thermal expansion tank. This acts as a form of pressure relief that keeps the water heater’s ...On average, residential expansion tanks cost anywhere between $90 and $350. Depending on their capacity and design, the price could go as high as $1000 for commercial expansion tanks. In comparison to expansion tanks, pressure tanks are a bit more expensive. Typically, the price for a residential …Secures expansion tank to wall. Galvanized and stainless steel construction. Supports tanks up to 13 in. Dia. Supports tanks up to 5 Gal. Includes mounting bracket, 2 support straps and mounting screws. Quick-release stainless steel bands. Fast and easy installation. Takes load weight off pipes. HOLDRITE quick strap brand. 1. Regulate pressure and reduce fluctuations. The first reason why it is important to have an expansion tank is to regulate the pressure. If the pressure increases in the system, in the worst-case scenario, it could cause your main tank to explode – although this is unlikely. However, even if the tank doesn’t explode, if the expanded water ... A Series Expansion Tank. 4.5. 3/4". 35 psi. $58.25. Click on Image to Enlarge. BackStop® Hydronic Expansion Tanks absorb the expansion pressure in residential or commercial hydronic (forced hot water) heating and cooling systems. Each tank is pressure rated up to 150 PSI and equipped with a carbon steel connection. High-.Thermal Expansion in Two Dimensions. For small temperature changes, the change in area ΔA Δ A is given by. ΔA = 2αAΔT (1.3) (1.3) Δ A = 2 α A Δ T. where ΔA Δ A is the change in area A,ΔT A, Δ T is the change in temperature, and α α is the coefficient of linear expansion, which varies slightly with temperature.Want to know how to clean a water softener resin tank? Check out our guide on How to Clean a Water Softener Resin Tank now and find out! Advertisement For those homes that are on a...The tank of nitrogen has to be replaced on occasion. Here are some other often-overlooked facts and myths about bladder-type expansion tanks. Contrary to popular belief, the bladders do get stuck and don’t allow for proper operation. Rare, but nonetheless it happens. The factory always sets the air pressure to exactly 12 psi.Attach the thermal expansion tank. Wrap the threads in 4-6 loops of pipe tape. Thread the connector onto the expansion tank, and attach the other end to the Tee. Use metal strapping to support the weight of the expansion tank, nailing both ends of the strap to the floor joist above. Turn on the cold water supply. Control Thermal Expansion in Potable Water Heating Systems. Our potable water expansion tanks are designed to absorb the increased volume of water created by thermal expansion and maintain a balanced pressure throughout the potable water supply system. They are used to prevent plumbing system and/or water heater damage as well as unnecessary ... This Honeywell Home thermal expansion tank from Resideo has a polypropylene-liner and a 100% nonmetallic, noncorrosive water reservoir.The thermal expansion tank should be installed upstream of the pressure reducing valve, if the system has one. The tank should be connected to the cold-water line and elevated enough to be able to receive any excess pressure that builds up in the plumbing system.Shop for 2 gal. Thermal Expansion Tank from Amtrol At Ferguson. Ferguson is the #1 US plumbing supply company and a top distributor of HVAC parts, waterworks supplies, and MRO products.Expansion Tanks | Xylem US. Step 1: Select Your Location. Expansion Tanks. Expansion, compression and diaphragm tanks for proper system pressurization in hydronic heating and potable water (plumbing) systems. ESP-SYSTEMWIZE. HVAC Tanks. Plumbing System Potable Water Tanks. Well Water System Potable …Linear expansivity is a material’s tendency to lengthen in response to an increase in temperature. Linear expansivity is a type of thermal expansion. Linear expansivity is one way ...The ST-12 has a tank volume of 4.4 gallons and is 11" in diameter by 15" high. Its is constructed of stainless steel with stainless steel connections. The ST-12 offers a maximum working pressure of 150 PSI with a factory pre-charge of 50 PSI and a maximum operating temperature of 200°F. The thermal expansion tank is … Control Thermal Expansion in Potable Water Heating Systems. Our potable water expansion tanks are designed to absorb the increased volume of water created by thermal expansion and maintain a balanced pressure throughout the potable water supply system. They are used to prevent plumbing system and/or water heater damage as well as unnecessary ... Mechanical Services. At Marshall Industrial Technologies, our mechanical services group specializes in helping customers keep their operations up and running with high …There are 5 gallons in a 20 pound propane tank. This is why 20 pound tanks are sometimes also referred to as 5 gallon tanks. A 20 pound tank of propane is typically used for gas gr...Expansion Tanks | Xylem US. Step 1: Select Your Location. Expansion Tanks. Expansion, compression and diaphragm tanks for proper system pressurization in hydronic heating and potable water (plumbing) systems. ESP-SYSTEMWIZE. HVAC Tanks. Plumbing System Potable Water Tanks. Well Water System Potable …Zilmet ZEP5 - In-Line Expansion Tank. Zilmet 2.1-gallon, 3/4" NPT in-line thermal expansion tank for hot water heaters. This unit features a polypropylene liner that eliminates internal corrosion, a 150 psi maximum pressure rating, and a 210°F operating temperature. A thermal expansion tank has an internal air bladder which can absorb the expanded water, protecting plumbing, appliances and the water heater. For these reasons, most homes now need a thermal expansion tank (and a properly adjusted pressure regulating valve). Not having a thermal expansion tank is the most common reason for a dripping ... Table 13.2 lists representative values of the coefficient of linear expansion, which may have units of 1/ºC 1 / º C or 1/K. Because the size of a kelvin and a degree Celsius are the same, both α α and ΔT Δ T can be expressed in units of kelvins or degrees Celsius. The equation ΔL = αLΔT Δ L = αL Δ T is accurate for small …Jun 25, 2008 · Amtrol ST-12 Thermal Expansion Tank. Brand: Amtrol. 4.6 265 ratings. 50+ bought in past month. $10058. Eliminates the waste of energy and water, thus saving money. Prevents the relief valve from going off. Protects the water heater and plumbing fixtures from premauture failure. This is called “thermal expansion”. For example, the cold water in a standard 50-gallon water heater expands to 52 gallons when heated to 120°F. ... Ask a plumber if you should still consider installing an expansion tank. If you need an expansion tank installed in your Denver area home, just contact us. ...When it comes to choosing the perfect pair of men’s thermal jogging bottoms, one of the most important factors to consider is the material. The material not only affects the comfor...Feb 9, 2010 ... If it is on the cold line it will fill with cold water and when you open a hot faucet the cold will leave the tank and feed into the cold inlet ...Answer qualitative questions about the effects of thermal expansion; Solve problems involving thermal expansion, including those involving thermal stress ... Suppose your 60.0-L (15.9-gal (15.9-gal-gal) steel gasoline tank is full of gas that is cool because it has just been pumped from an underground reservoir.18 l Lead-Free Potable Water Thermal Expansion Tank. Add to Cart. Compare $ 83. 34 (18) Model# XT-8. Wilkins. 8 l Lead-Free Potable Water Thermal Expansion Tank. Add …Shop for 4.4 gal. Thermal Expansion Tank from PROFLO® At Ferguson. Ferguson is the #1 US plumbing supply company and a top distributor of HVAC parts, waterworks supplies, and MRO products.Thermal Expansion Tank Instructions. This page provides a library of information related to the thermal expansion tank instructions that HydraPro offers to customers. To access the associated specifications sheet and to download other relevant information such as the price sheet and warranty (if available), refer to …The Therm-X-Trol® vertical thermal expansion tank is a perfect example of this. By accepting expanded water caused by thermal expansion, this expansion tank is able to then return the water to the system when hot water is used. The Therm-X-Trol® also prevents pressure relief valve discharge, dripping faucets, and intermittent toilet fill. At RWC, we’ve listened to Pro feedback on the short lifetime of expansion tanks and created a more dependable solution. SharkBite’s new Thermal Expansion Relief Valve provides a longer lasting alternative for your customers. It replaces the bulky expansion tank, shut-off valve and fitting right at the water heater for an easier-to-install ... This 2.1 gal. expansion tank controls thermal expansion of water in open domestic hot water supply systems. It absorbs the increased volume of water ...Portable Tanks are a type of block added by Thermal Expansion. They store fluids, and can be used to transport large amounts of fluid by hand. Portable Tanks can be moved around without losing any stored fluids by dismantling them with a Crescent Hammer.In item form, Portable Tanks work well with FluiVacs when pumping up fluids …The One That Started It All™ Extrol expansion tanks accept expanded fluid in closed-loop hydronic systems to control pressure buildup, improve comfort and help reduce energy costs. Nearly seven decades after inventing the first diaphragm expansion tank, Amtrol’s lineup now includes specialty models engineered for modern, high-efficiency systems. We would like to show you a description here but the site won’t allow us. A thermal expansion tank is an essential component in a water heater system, specifically designed to accommodate the expansion of water as it heats up. Initially, when water is heated, it expands. Consequently, in a closed plumbing system, this expansion can create dangerous levels of pressure. Fortunately, this is where a thermal expansion ...As water heats inside the water heater and exceeds the capacity of the tank, the overflow rushes into the expansion tank. When an expansion tank is installed, the extra water volume automatically rushes into the tank.This lowers the water pressure inside your water heater to safe levels, protecting your tank (and other water …Learn how manufacturers representatives can benefit from the Design/Manufacture/Represent (DMR) model in this informative PDF by PHCP Pros, …The size of the Thermal Expansion Tank you need is based on the size of your water heater(s). Examples for sizing in this area are 52 G Water Heater or less = 2 …How a thermal expansion tank works. As mentioned before, when water expands, that pressure has to have somewhere to go. A thermal expansion tank is an additional component that is installed …The expansion tank (or valve) is meant to protect the pipes/fittings between the water tank and the backflow device on the water main (hot water expanding backwards towards the cold feed). If you don’t have a backflow/check valve, the expansion tank isn’t specifically required, so leaving it off for now shouldn’t … At RWC, we’ve listened to Pro feedback on the short lifetime of expansion tanks and created a more dependable solution. SharkBite’s new Thermal Expansion Relief Valve provides a longer lasting alternative for your customers. It replaces the bulky expansion tank, shut-off valve and fitting right at the water heater for an easier-to-install ... Amtrol thermal expansion tanks are engineered to control pressure build-up in closed, potable water systems. Available in diaphragm, full acceptance and partial acceptance bladder designs, all Therm-X-Trol expansion tanks are made in the USA at our ISO 9001 : 2015 certified facility. ASME tanks meet Section VIII, Division 1 Standards. Control Thermal Expansion in Potable Water Heating Systems. Our potable water expansion tanks are designed to absorb the increased volume of water created by thermal expansion and maintain a balanced pressure throughout the potable water supply system. They are used to prevent plumbing system and/or water heater damage as well as unnecessary ... When it comes to staying warm and comfortable during colder months, a pair of high-quality thermal jogging bottoms is an essential addition to any man’s wardrobe. The first aspect ...The potable water expansion tank shall be installed in the cold water service pipe line on the supply side of the water heater (or water storage tank). IMPORTANT: This Watts thermal expansion tank sizing tool should be used as a general guide to sizing thermal expansion tanks. Sizing calculations are wholly dependent on user input and are ...About This Product. Built with heavy-duty butyl diaphragm system to absorb the expansion of water volume and help prevent dangerous pressure build-up. This Everbilt Expansion … Therm-X-Trol ®. Therm-X-Trol. Amtrol invented the thermal expansion tank to absorb expanded water in closed, hot water systems and protect the water heater. Since the beginning, we’ve kept the pressure on our competitors with features they just can’t match; like our patented Turbulator ®, patent pending antimicrobial liner, patented ... M1 tanks are the world’s most technologically advanced tanks. Find out about M1 tanks, the type of weapons M1 tanks use and how an M1 tank keeps its crew safe. Advertisement Genera...In today’s highly competitive and interconnected global marketplace, dairy manufacturing companies are constantly seeking avenues for growth and expansion. Before venturing into ne...Have you ever wondered what your themeral expansion tank is for? In this video JJ with Merit Plumbing in Sarasota Florida explains what your thermal expansi...The tank is installed on the cold water supply line to the water heater to control pressure build up caused by thermal expansion. Installing the T-12 will virtually eliminate relief valves spills, protect plumbing fixtures and extend the life of your water heater. Specifications: Diaphragm Material: Butyl Rubber/EPDM. Factory Pre-Charge: 40 psig.What is a thermal expansion tank like? [wp_ad_camp_1] Common residential expansion tank looks like a small propane tank. At the top, it has an air valve, like the one seen on most tires called Schrader. At the bottom, there is a threaded pipe connection. Usually they are the same size as basketball, depending more or less on the size of the ...As mentioned above, a water heater expansion tank is a safety mechanism that reduces possible pressure damage to your plumbing system. It is sometimes called a thermal expansion tank and is often required by law for most major North American cities. Because water naturally expands when it is heated …Designed to accommodate the natural thermal expansion of water in a water heating system. A.O. Smith Expansion Tanks are light weight, easy to install and afford years of reliable service. ★★★★★ ★★★★★. 4.5. (8 reviews) Model: LET …5.The water heater and expansion tank will now be operational. The expansion tank will control pressure increases caused by thermal expansion to a level below the water heater relief valve setting. Maintenance A professional plumber should check the complete system, including the expansion tank, yearly and more frequently as the system ages ...This item: Thrifco 4906032 2 Gallon Thermal Expansion Tank for Potable Water Heater. $3999. +. Universal Water Heater Expansion Tank Wall Mounting Bracket,5 Gallon Tank or 13 inch Diameter Pole Holder Brackets, Water Heater Earthquake Straps for Nitrogen Tank,Propane Tank-1 Set. $1699.May 13, 2020 · How a thermal expansion tank works. As mentioned before, when water expands, that pressure has to have somewhere to go. A thermal expansion tank is an additional component that is installed between the cold water pipe and the water heater, and provides pressure relief when the volume in the main tank reaches maximum capacity. Septic tanks are a type of onsite sewage facility. They are frequently used in rural areas that are not connected to a sewerage system. Expert Advice On Improving Your Home Videos ...thermal expansion tank,universal ss expansion tank bracket kit (fits 2-5 gallon tanks),20 gal well tank (1” connection size),2 gallon hydronic expansion tank,4.5 gallon hydronic expansion tank,6 gallon hydronic expansion tank h50054 thermal expansion ball valve hptebv34 3/4″ thermal expansion lf ball valve …A Series Expansion Tank. 4.5. 3/4". 35 psi. $58.25. Click on Image to Enlarge. BackStop® Hydronic Expansion Tanks absorb the expansion pressure in residential or commercial hydronic (forced hot water) heating and cooling systems. Each tank is pressure rated up to 150 PSI and equipped with a carbon steel connection. High-.A Series Expansion Tank. 4.5. 3/4". 35 psi. $58.25. Click on Image to Enlarge. BackStop® Hydronic Expansion Tanks absorb the expansion pressure in residential or commercial hydronic (forced hot water) heating and cooling systems. Each tank is pressure rated up to 150 PSI and equipped with a carbon steel connection. High-.Typically a Thermal Expansion Tank is a small metal tank - usually either 2.1 gallons or 4.5 gallons. The ST-5 has a tank volume of 2 gallons and is 8" in diameter by 13" high. Its is constructed of stainless steel with stainless steel connections. The ST-5 offers a maximum working pressure of 150 PSI with a factory pre-charge of 50 PSI and a ...Therm-X-Trol expansion tanks are designed to control pressure in commercial closed, potable hot water systems. They are available in diaphragm, partial acceptance bladder and full acceptance bladder …The expansion tank will absorb excess pressure within the tank (see Figure 608.3a). The pressure relief valve relieves the excess pressure by discharging until ...Water heaters without a thermal expansion tank are at risk of damage and reduced operational longevity. Instead of the water heater lasting ten to fifteen years, its lifespan could be shorter. Water heaters range from $270 (20- to 30-gallon units) to $3,000 (50-plus gallons). The unexpected expense can throw your family budget off.Table 13.2 lists representative values of the coefficient of linear expansion, which may have units of 1/ºC 1 / º C or 1/K. Because the size of a kelvin and a degree Celsius are the same, both α α and ΔT Δ T can be expressed in units of kelvins or degrees Celsius. The equation ΔL = αLΔT Δ L = αL Δ T is accurate for small …With over 600 stores across the United States, Sheetz Company has become a household name in the convenience store industry. The company’s rapid expansion and consistent growth hav...
Feb 10, 2021 · Expansion Tank Costs. Prices for expansion tanks start at about $30 for small residential tanks and climb up to $800 to $1,000 for larger, commercial tanks. . Apple arcade
In thermal expansion, Δ L = α L 0 Δ T. Δ L = α L 0 Δ T. We combine these two equations by noting that the two Δ L ’ s Δ L ’ s are equal, as stated above. Because we are not given L 0 L 0 or A, we can obtain a numerical answer only if they both cancel out. Solution We substitute the thermal-expansion equation into the elasticity ... World of Tanks is an online multiplayer game that has been around since 2010. It is a free-to-play tank simulation game that allows players to take part in intense battles against ...The One That Started It All™ Extrol expansion tanks accept expanded fluid in closed-loop hydronic systems to control pressure buildup, improve comfort and help reduce energy costs. Nearly seven decades after inventing the first diaphragm expansion tank, Amtrol’s lineup now includes specialty models engineered for modern, high-efficiency systems.Thermal expansion tanks 2012 NC Plumbing Code Section: 305.6, 301.7, 504.4, 607.3 Date: June 29, 2018 Page 2 of 3 Question 4: What level of insulation are acceptable for insulating thermal expansion tanks that are exposed to freezing conditions? Answer 4: Thermal expansion tanks are required to be insulated where subjected to freezing ...thermal expansion tank,universal ss expansion tank bracket kit (fits 2-5 gallon tanks),20 gal well tank (1” connection size),2 gallon hydronic expansion tank,4.5 gallon hydronic expansion tank,6 gallon hydronic expansion tank h50054 thermal expansion ball valve hptebv34 3/4″ thermal expansion lf ball valve …Why do you need a thermal expansion tank? It's a common question among home owners and newer plumbers. Well, the simple answer is because it saves your wat...About This Product. Built with heavy-duty butyl diaphragm system to absorb the expansion of water volume and help prevent dangerous pressure build-up. This Everbilt Expansion …This expansion tank bracket is easy to install and will hold any tank with a diameter of 11" nominal. Designed for use in closed, potable hot water systems, Therm-X-Span accepts expanded water as system temperature rises. This hot water is returned to the system when demand occurs. A thermal expansion tank, like Therm-X …Appropriate fittings. Now, go along with these step-by-step guidelines to install an expansion tank: Step 1. Turn off the Water Supply. Locate the shut-off valve for the main water supply to your tankless water heater. Then, turn the shut-off valve clockwise to shut off the water supply to your tankless unit. 5. The water heater and expansion tank will now be operational. The expansion tank will control pressure increases caused by thermal expansion to a level below the water heater relief valve setting. Maintenance A licensed professional should check the complete system, including the expansion tank, yearly and more frequently as the system ages ... 5. The water heater and expansion tank will now be operational. The expansion tank will control pressure increases caused by thermal expansion to a level below the water heater relief valve setting. Maintenance A licensed professional should check the complete system, including the expansion tank, yearly and more frequently as the system ages ...The tank of nitrogen has to be replaced on occasion. Here are some other often-overlooked facts and myths about bladder-type expansion tanks. Contrary to popular belief, the bladders do get stuck and don’t allow for proper operation. Rare, but nonetheless it happens. The factory always sets the air pressure to exactly 12 psi.We “dove in” to find out which top-selling, “Shark Tank” products are most popular in each state and nationwide, based on Google searches. We may be compensated when you click on p...We love text expansion because it can save you so much time typing. Apple quietly built it into iOS, and it's our favorite way to create typing shortcuts on our iDevices. We love t...2 Gal. Water heater expansion tank. Designed for use with residential closed water systems. Features a protective coating to resist corrosion. 60 psi maximum pressure at 240°F temperature. Stainless steel. Return Policy. California residents. see Prop 65 WARNINGS.Bradford White always recommends an installation that allows for thermal expansion whether through an expansion tank or other means. It reduces the stress on your hot water system and its various components including pipes, fittings, fixtures, and even your appliances. A thermal expansion tank may be also required to meet your local plumbing ...Learn what a water heater expansion tank is, how it works, and why you need it for your water heating system. Find out the types, sizes, installation, and maintenance of expansion tanks. Get …18 l Lead-Free Potable Water Thermal Expansion Tank. Add to Cart. Compare $ 83. 34 (18) Model# XT-8. Wilkins. 8 l Lead-Free Potable Water Thermal Expansion Tank. Add …Armstrong Expansion Tanks are designed to reduce tank sizes by up to 80% over standard designs. Expansion tanks use compressed air to maintain system pressures by accepting and expelling the changing volume of water as it heats and cools. Diaphragm or bladder tank designs isolate the expanded water from the pressure controlling air …Apr 20, 2008. #3. tank. An expansion tank will work no matter where it is installed in the system. Recommendations call for it to be in the cold water line adjacent to the water heater, and after the shut off valve. These requirements are to insure that the tank does its thing even under unusual conditions..