Thermal expansion tank - Our expansion tanks can be designed and made for locations classified as having an ATEX explosion hazard. They can also include a heating element to prevent the fluid freezing when ambient temperatures are extremely low. In these cases, thermal insulation for the tank and its associated tubing is also included.

 
Cures for Water Heater Relief Valve Leaks due to Thermal Expansion: Expansion tanks to relieve high water pressure. An alternative to installing or changing a water pressure regulator when building water pressure is occasionally 80 psi or higher is the installation of an expansion tank to temporarily absorb that pressure increase.. Nature hill nursery

Jan 30, 2023 · A thermal expansion tank, also known as a water heater expansion tank, is a safety device in water heating units. The purpose is to prevent accidents due to thermal expansion in pipelines. Since the thermal expansion is a natural phenomenon, it can often lead to dangerous incidents if not considered when working on your house’s plumbing tasks. 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 ...A1: A thermal expansion tank is a safety device used to help minimize the risk of pressure damage to the plumbing system. Since water expands when it is heated due to thermal expansion, the water heater creates extra water volume every time it heats water. The thermal expansion tank serves as an overflow receptacle by …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 …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.Eastman 60023 Thermal Expansion Tank, 4.5 Gal, 3/4 In Mpt, steel, White : 548 Reviews: $55.04: View details on Amazon: Flexcon Industries PH12 FLEX2PRO Thermal Expansion Tank - 4.8 Gallon : 75 Reviews: $111.99: View details on Amazon: WaterWorker, 2-Gallon WATER WORKER G5L Expansion …It is especially critical if you own a good pump. Since residential water heaters range between 30-100 gallons, expansion tanks in most cases are less than 5 gallons. Here are the costs of expansion tank installation supplies: Expansion tank, 2-5 gallons – $35-$70. Steel Tank mounting bracket – $50-$200.A vertical 120-gallon propane tank is 55 inches tall and 30 inches in diameter, whereas a horizontal tank of the same capacity is 24 inches in diameter and 66 inches long. A 120-ga...Our expansion tanks can be designed and made for locations classified as having an ATEX explosion hazard. They can also include a heating element to prevent the fluid freezing when ambient temperatures are extremely low. In these cases, thermal insulation for the tank and its associated tubing is also included.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.If you have a septic tank, you know it’s part of one of the most important systems in your whole home. A home with a typical sewage system has pipes leading away from the home that... 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 ... 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 …Expansion - HVAC Tanks. Wessels manufactures three expansion tank designs: Compression, Bladder and Diaphragm. Each tank style has models that are either built in accordance with the ASME boiler and pressure vessel code or non-code. Tanks range in size from 2 to 10,000 gallons. Most of Wessels pressure vessels are designed using a …May 25, 2023 ... The cost of replacing thermal expansion tanks can vary, but usually falls somewhere between $250 and $500.Feb 17, 2023 · A water heater expansion tank, also known as a thermal expansion tank, is a small overflow tank that compensates for the thermal expansion of water inside a water heater. As the temperature of water increases, the water expands. Without relief, the pressure inside the water heater will increase, causing damage to valves, plumbing, or the water ... If you have a septic tank, you know it’s part of one of the most important systems in your whole home. A home with a typical sewage system has pipes leading away from the home that...To accommodate the thermal expansion required for higher temperature and/or higher pressure systems, multiple tanks may be used . Please contact your local authorized Watts representative for assistance in sizing expansion tanks for specific applications requiring multiple tanks . Other Potable Water Thermal Expansion SolutionsHIGHCRAFT GUU7 Thermal Expansion Tank for Hot Water Heater Carbon Steel Almond Color Holds 2.1 Gal, 2.1 Gallons. 4.7 out of 5 stars 84. $54.79 $ 54. 79. FREE delivery May 26 - 31 . Only 6 left in stock - order soon. EASTMAN 60023 Thermal Expansion Tank, 4.5 Gal, 3/4 in Mpt, Steel, White.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 …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.Thermal Expansion Tank Sizing. Residential Commercial. Water Heater Size. Select 40 50 60 80 120. Gallons. Approx. Temp Setting. Select 120 140 160. °F.Supply Pressure (psi) Next up, you just need to find out the pressure of your water heater. That is labeled as “psi”, and it’s the 2nd and last piece of information you need to find out the recommended expansion tank size for your water heater. For instance, a heater can have 50 psi, 60 psi, etc., on the factory … Thermal Expansion Tanks. Designed for hydronic heating systems or potable hot water systems, the tank uses compressed air to maintain system pressures by accepting and expelling the changing volume of water as it heats and cools. Carbon Steel Construction With a Heavy Duty Butyl Fixed Diaphragm. 3.5 to 90 Gallon Capacity. 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, …Thermal Expansion Tank, MIP, 2 gal, 3/4 in Connection, 15 in H, 8 in Outside Dia, Stainless Steel Shop All Water Heater Parts Share Product Image Feedback Zoro Select Thermal Expansion Tank, MIP, 2 gal, 3/4 in Connection, 15 in H, 8 in Outside Dia, Stainless Steel Mfr # 60022; Zoro # G2553140; $30.44 ...Overview. Expansion tank for heater overflow works on heaters up to 50 gallon. Powder coated interior shell protects against corrosion, assures long trouble free life. Exterior powder coat paint for long life and anti-corrosion, certified to automotive ASTM standards. Proper tank sizing is critical to the performance of your water …The M-3 Stuart and M-5 Light Tank were nicknamed 'Honey' for their smooth and agile handling. Explore the M-3 Stuart (Honey) and M-5 Light Tank. Advertisement The M-3 Stuart (Honey...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 typically installed on the ...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 typically installed on the ...Product Details. Used for thermal expansion protection in residential applications. Features a stainless steel connection to resist corrosion. Field adjustable pre-charge allows for easy maintenance. About This Product. The 4.8 gallon XT-18 Thermal Expansion Tank is utilized on potable water lines between the backflow preventer or pressure ... 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. 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.Remember that the purpose of the thermal expansion tank is to avoid the relief valve from relieving. Sizing the thermal expansion tank for a maximum allowable pressure of 135 psi, which is 10% below the relief valve set point, is a better alternative. Second, the manufacturer’s tables are based on a tank precharge …Expect to pay anywhere from $40 to $200, or about $120 on average, for a water heater expansion tank. The price varies based on the tank size. On average, residential homes with 40- to 50-gallon water heaters use a 2-gallon water heater expansion tank. This is because 50 gallons of heated water will expand by about 2 …Expect to pay anywhere from $40 to $200, or about $120 on average, for a water heater expansion tank. The price varies based on the tank size. On average, residential homes with 40- to 50-gallon water heaters use a 2-gallon water heater expansion tank. This is because 50 gallons of heated water will expand …May 25, 2023 ... The cost of replacing thermal expansion tanks can vary, but usually falls somewhere between $250 and $500.May 19, 2023 ... Seth. Im in louisiana and ive never seen an expansion tank on any houses water heater. 2023-5-19Reply. Liked by creator.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. 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 ... 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 ... 2-Gallon Hydronic Expansion Tank Model PMET 2. Hydronic Expansion Tank. In-Line. 1-Year Limited Warranty. Compare. View Model. 5-Gallon Hydronic Expansion Tank Model PMET 5. Hydronic Expansion Tank. In-Line. The tank shown above was not designed for horizontal installation and is connected to the hot water side of the piping, although installation to the cold water side is recommended. Also, a horizontal tank will need to be supported by more than the connecting pipe to avoid putting stress on the stem.Remember that the purpose of the thermal expansion tank is to avoid the relief valve from relieving. Sizing the thermal expansion tank for a maximum allowable pressure of 135 psi, which is 10% below the relief valve set point, is a better alternative. Second, the manufacturer’s tables are based on a tank precharge …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. 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 ... 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 …Thermal Expansion Tank, MIP, 2 gal, 3/4 in Connection, 15 in H, 8 in Outside Dia, Stainless Steel Shop All Water Heater Parts Share Product Image Feedback Zoro Select Thermal Expansion Tank, MIP, 2 gal, 3/4 in Connection, 15 in H, 8 in Outside Dia, Stainless Steel Mfr # 60022; Zoro # G2553140; $30.44 ...Thermal expansion tanks can be installed by your local plumber, or there are do-it-yourself kits available from your local hardware store. These kits come with ...PLT-5. This potable water expansion tank is used on gas, oil, or electric, direct-fired, residential water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below …The Zurn Wilkins XT Thermal Expansion Tank is designed for installation on potable water lines between the backflow preventer or pressure reducing valve and the water heater to …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. May 25, 2023 ... The cost of replacing thermal expansion tanks can vary, but usually falls somewhere between $250 and $500.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 ...Unfired hot water storage tanks shall be insulated to R-12.5 (h · ft 2 · °F)/Btu (R-2.2 m 2 · K/W). The 7th Edition (2020) update to the Florida Building Code: Plumbing is a fully integrated publication that updates the 6th Edition 2017 Florida Building Code: Plumbing using the latest changes to the 2018 International Plumbing Code® with ...Sep 19, 2017 · This is a fairly simple and straightforward fix; an expansion tank will give the water somewhere to go when it expands, and the temperature and pressure relief valve on the water heater will stop causing problems. This rule also applies to hot water heating systems; when a boiler heats the water in a hydronic heating system, the expansion tank ... 4. To relieve initial thermal expansion, momentarily open a hot water faucet. Continue until water heater aquastat temperature is satisfied. Once heater is at its operating range, no further bleeding of expanded water is required. 5. The water heater and expansion tank will now be operational. The expansion tank will control pressure increases ... The expansion tank is designed to handle the thermal expansion of water as it heats up in the water heater, preventing excessive water pressure. If water pressure gets to high it can damage valves in plumbing fixtures, joints in supply pipes and the water heater itself. Expanding water from the water heater flows into the expansion tank ...Bladder HVAC Expansion Tanks. W essels type NLA removable bladder expansion tanks are designed for use in hydronic heating/cooling systems to absorb the expansion force resulting from the changes in temperature of the heating/cooling fluid. They’ve been intelligently designed to include a WessView ® bladder integrity monitor and integrated …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 …Eastman 60023 Thermal Expansion Tank, 4.5 Gal, 3/4 In Mpt, steel, White : 548 Reviews: $55.04: View details on Amazon: Flexcon Industries PH12 FLEX2PRO Thermal Expansion Tank - 4.8 Gallon : 75 Reviews: $111.99: View details on Amazon: WaterWorker, 2-Gallon WATER WORKER G5L Expansion …PLT-5. This potable water expansion tank is used on gas, oil, or electric, direct-fired, residential water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T&P relief ...Thermal expansion tanks can be installed by your local plumber, or there are do-it-yourself kits available from your local hardware store. These kits come with ...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.Height W/O Stand. 11.6". Product Weight (lbs) 8.75. Description. The Flexcon PH5 2 Gallon Thermal Expansion Tank is a portable water expansion tank that has been designed to control safe pressures in a residential heating system. The tank utilizes a backflow valve to safe guard the unit. The Flexcon PH5 tank features a plastic …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...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.The thermal expansion tank at work. The expansion tank is located above the main water tank. It’s connected to the tank and provides an air cushion that doesn’t allow air to come into contact with the water. The way it does this is with a watertight membrane in the expansion tank that holds a pocket of pressurized …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, …May 25, 2023 ... The cost of replacing thermal expansion tanks can vary, but usually falls somewhere between $250 and $500.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 ...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.0305.6 - Thermal expansion tanks. 0305.6 - Thermal expansion tanks.pdf. PDF • 86.36 KB - August 10, 2020. 2012.Typical Expansion Tank Sizes for a Cast Iron Radiator type typical residential heating system. For a 100 MBTUH boiler you'd use either an Amtrol Extrol #60 or an Amtrol Fill-Trol #111. For 125-150 MBTUH you'd use an Amtrol Extrol #90. For a 175-200 MBTUH boiler you'd use an Amtrol Extrol #SX30V.diaphragm,pre-charged thermal expansion tanks. Designed for hydronic heating systems or potable hot water systems, the tank uses compressed air to maintain system pressures by accepting and expelling the changing volume of water as it heats and cools. These tanks employ a fixed diaphragm, flexing butyl barrier that separates the stored waterA thermal expansion tank is a small tank that is installed on the inlet line going into your water heater. Inside the tank is compressed air and a bladder. The compressed air is pressurized to match your home’s water pressure. When your water heater fires up and the water in its tank starts expanding, the water …Mechanical Services. At Marshall Industrial Technologies, our mechanical services group specializes in helping customers keep their operations up and running with high …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.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.A vertical 120-gallon propane tank is 55 inches tall and 30 inches in diameter, whereas a horizontal tank of the same capacity is 24 inches in diameter and 66 inches long. A 120-ga... The 4.8 gallon XT-18 Thermal Expansion Tank is utilized on potable water lines between the backflow preventer or pressure reducing valve and the water heater for protection against water thermal expansion in residential applications. As the system pressure increases, water enters the polypropylene-lined water chamber of the tank, expanding a ... 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 ... Therm-X-Trol expansion tanks are designed to control pressure in commercial closed, potable hot water systems. Available in diaphragm, partial acceptance bladder and full acceptance bladder designs, these tanks range in size from 2 gallons (7.6 liters) to 528 gallons (2,000 liters). Offered with maximum working pressure up to 300 PSIG (21 bar), Therm-X-Trol is effective at protecting the water ... 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 ...

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thermal expansion tank

The Short Answer Is: Water heater expansion tanks, also called thermal expansion tanks, are small but significant devices that help regulate the pressure in water heaters and plumbing systems. Expansion tanks serve as a buffer to accommodate the thermal expansion of water when it's heated. As homeowners, we often take for granted the ... The Zurn Wilkins XT Thermal Expansion Tank is designed for installation on potable water lines between the backflow preventer or pressure reducing valve and the water heater to … The tried and true way to deal with thermal expansion is with expansion tanks. Installed on the supply line, these tanks feature a rubber bladder or diaphragm that separates an air chamber from the rest of the tank. Air is pumped in to match the pressure of the water supply. When water expands, instead of building pressure in the confines of ... Amtrol Technical Support shows every step in the installation of a Therm-X-Trol thermal expansion tank. Please like and subscribe for more Amtrol troubleshoo...Recently, many residents in Georgia have received notices from county building departments and water companies urging them to install thermal expansion tanks.PLT-5. This potable water expansion tank is used on gas, oil, or electric, direct-fired, residential water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below …The tank shown above was not designed for horizontal installation and is connected to the hot water side of the piping, although installation to the cold water side is recommended. Also, a horizontal tank will need to be supported by more than the connecting pipe to avoid putting stress on the stem.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 ...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...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.Intended Use: The Amtrol ST-5 2 Gallon Thermal Expansion Tank helps to control pressure build-up in closed, hot water systems. The ST-5 features a butyl diaphragm and a stainless steel system connection. Features: Butyl diaphragm. Eliminates wasted energy and water. 3/4" NPTM stainless steel connection. Max operation temperature: 200°F.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.When one of them leaks, the first step is usually to replace the valve. If the leaking continues, there's a problem. The tried and true way to deal with thermal expansion is with expansion tanks. Installed on the supply line, these tanks feature a rubber bladder or diaphragm that separates an air chamber from the rest of the tank.When metal is heated, the atoms begin to vibrate. This increased motion causes the atoms to move farther apart. When the atoms move farther apart, the metal expands. This tendency ... 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 Tank will absorb pressure increases when properly installed on your closed water system. Most local codes now require an Expansion Tank on residential closed water systems. An expansion tank or expansion vessel is a small tank used to protect closed water heating systems and domestic hot water systems from excessive pressure. The tank is partially filled with air, whose compressibility cushions shock caused by water hammer [citation needed] and absorbs excess water pressure caused by thermal expansion. [1] 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...Thermal Expansion Tank Sizing. Residential Commercial. Water Heater Size. Select 40 50 60 80 120. Gallons. Approx. Temp Setting. Select 120 140 160. °F.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..

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