Water heater pressure tank

Pressure tank refers to a fiberglass or metallic vessel connected to a home plumbing system that controls the water pressure, and is mostly used to …A tank-style water heater will last about eight to 12 years, ... The temperature and pressure (T&P) valve is designed to open when the pressure inside the tank is …Evident from its name, a water heater expansion tank is an expansion tank for your water heating tank. It is a small secondary tank that is a crucial safety measure for your water …Storage tank water heaters can cost around $600 to $800, but costs vary on the size of the tank. Installing a tank-style water heater will cost between $900 and $2,500 on average. TanklessTank. The tank of a water heater is the main, large, usually cylindrical object that holds the water you need to heat. Tanks on water heaters come in various sizes, which usually correspond to the size of the home or the number of bathrooms it has. Tanks typically range from a capacity of 40 gallons up to 120 gallons, and the more people you ...Signature® 900 - 120V Plug-In Hybrid Electric Heat Pump 66-Gallon Water Heater - 10 Year Warranty. compare. ★★★★★. (0 reviews) Model: HPV10-80H01DV Lowe’s Item #: 5374510.Feb 22, 2024 · A water expansion tank acts as a bladder that takes in the excess water from the hot water heater so that the pressure doesn’t keep building. A water heater expansion tank costs between $90 and ... Temperature and pressure are the main reasons why a water heater explodes, says Josh Mitchell, plumbing technician at Plumbing Lab. “Water heaters, particularly traditional tank models, can ...Step Two: Check and adjust water pressure (under 50 psi) Step Three: Look for signs of hard water and buy a water softener if necessary. Step Four: Flush water heater. Step Five: Swap out aluminum anode rod for magnesium anode rod and set a reminder for yourself to check it in a year.Pro Tip: Once water is in your home's plumbing system, there are many ways pressure can be decreased - blocked pipes, clogged filters or aerators, sediment-laden water heaters and plain old leaks are typical culprits. Residential water pressure tends to range between 45 and 80 psi (pounds per square inch). Anything below 40 psi is considered ...A.O. SmithSignature 100 40-Gallons Tall 6-year Warranty 40000-BTU Natural Gas Water Heater. 613. • Delivers the ideal amount of hot water for households with 3 to 4 people when sized appropriately. • Features an environmentally-friendly 40,000 BTU ultra-low NOx burner that delivers 72 gallons in the first hour.A common range is 20-40 psi or 30-50 psi. Use the Pressure Tank Sizing Formula: The general formula to calculate the pressure tank size is: Volume (in gallons) = Drawdown (in gallons) / (High Pressure – Low Pressure) Drawdown is the amount of water the tank can hold between the cut-in and cut-out pressure points.RV Water Heater 1. Furrion’s 2.4 GPM / 144GPH RV tankless water heater slots into your RV or camper and provides unlimited hot water on demand. Stay comfortable and enjoy all the luxuries of modern living on the road as you explore everything nature has to offer. Easy retrofit installations of our RV water heater mean you can install this it ...This valve is designed to open and release water if the pressure inside the tank gets too high. The pressure relief valve is usually set to open at around 60 psi, which is well above the average working pressure of a water heater. Another preventative measure against too much pressure in a water heater is the temperature and pressure …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 ...APEC Water4-Gallons Vertical Pressure Tank. 74. • Pre-pressurized 4 Gallon water storage tank holds up to 3.2 Gallon of water, suitable for average to large size families. • Discharge efficiently in a vertical or horizontal position with tank stand. • FDA certified food grade bladder ensures quality, safety and durability.Connect a garden hose to the pressure tank’s drain valve bib at the bottom of the tank. Direct the end of the hose out to the yard or a floor drain. Turn on the drain valve and let the pressure tank drain out completely. Once fully drained, turn off the drain valve and remove the garden hose.Jun 28, 2021 · To fix this issue with this cause, you have to take several steps. First, shut off your water heater. Wait for it to cool completely. Then, remove the valve and rethread it into the water tank opening. Another reason the valve could be leaking is that there is sediment or dirt trapped inside the relief port. As the water reaches temperatures between 120 and 140 degrees Fahrenheit, both the water and the water heater's metal tank expand. Some expansion is normal, but too much expansion is unsafe. When the temperature reaches 210 degrees or the pressure reaches 150 psi (pounds per square inch), a properly functioning T&P valve opens and …Find the Water Heater to Fit Your Needs. There are several factors to consider when choosing a water heater – gas or electric, tank or tankless. Tank sizes range from 20- to 80-gallon capacities and depend on the building occupants or household size and amount of water usage at peak times. Regardless of which hot water heater system you ...When water heats up, it expands. Usually, water heaters are set to hold about 150 PSI (Pounds per Square Inch). When the pressure of the water inside of the tank goes over that, then the temperature and pressure relief valve will open, until the pressure is released. The danger begins when homeowners don’t test their T&P valves.The Rheem Performance Plus Electric Tank Water Heater is well-equipped to supply hot water for showers, washing hands, or doing dishes. This 50-gallon model is the right size for a family of 3 to 5 individuals, and it comes with a 9-year warranty for peace of mind.While electric water heaters aren’t as energy-efficient as gas versions, this …Series PLT Potable Water Expansion Tanks are designed to absorb the increased volume of water created by thermal expansion and to maintain balanced pressure ...Here are the steps to do so: 1. Drain the tank. Drain the tank to below the relief valve level. You can drain the entire tank. However, most tanks hold as much as 50 gallons in them. Draining all the water in a tank to replace the relief valve would be wasteful.Cost of Heat Pump Water Heaters. One of the biggest issues with heat pump water heaters (sometimes called hybrid water heaters) is the upfront cost. A standard 50-gallon hot water heater can cost ...The Issue: Leaking Tank. If the water heater regularly makes sizzling sounds, this is likely due to internal condensation, which is a sign that the tank may have a leak. A leak in the water heater can be a tough problem to fix, but it depends on where the leak is in the tank. Leaks from the top of the tank are likely caused by loose or ...As water heats, it expands, which increases the water pressure in your hot water tank. That pressure needs somewhere to go so it doesn't stress the water heater tank or plumbing lines in your home. The expansion tank provides this, using an internal bladder or cushion of air to absorb the pressure and keep air out of your pipes. 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... Overview. Prevents pressure fluctuations in water heater tanks. Recommended for closed-loop water supply systems. Factory pre-charged at 40 psi. Butyl rubber diaphragm construction. 3/4 inch MIP connection. 304-Stainless steel fittings. 6-Year limited warranty.when the heater blew up it basically blew the entire bottom off of the heater and i think it did it at less than 300 psi (I'm not sure on this). the bottom of the heater was sitting right where the tank used to be. every compressor storage tank I've ever seen has rounded ends on it, not the flat ends that a water heater tank has.What Is a Hot Water Heater Pressure Relief Valve? To use hot water for handwashing, dishwashing, and your shower, your water heater needs the right amount of pressure. If the pressure is too high in the tank, the water heater could break down. On the other hand, a low amount of pressure in the system can negatively impact the distribution of ...Chlorine isn't a mineral, nor does it accumulate in plumbing. For the danger posed by a stuck PRV, see also "pressure cooker bomb". If you have high mineral water , your anodic rod will need consideration as well , if you havent replaced it already. Exploding water heaters is a very serious thing.Jun 28, 2021 · To fix this issue with this cause, you have to take several steps. First, shut off your water heater. Wait for it to cool completely. Then, remove the valve and rethread it into the water tank opening. Another reason the valve could be leaking is that there is sediment or dirt trapped inside the relief port. Step-by-Step guide to fixing a waterlogged pressure tank. Switch off the Power. Turning off the power supply to the pressure tank is a precautionary step you should take to prevent injuries or accident. To cut the power supply, find and turn off the circuit switch. Drain the Water Tank.A leaking overflow pipe can indicate that: The temperature setting on your water heater is too high. There is an issue inside your tank causing pressure to increase beyond the T&P valves threshold. The T&P valve is not “set” properly, allowing the valve to remain partially open. The T&P valve is faulty.How to Fix No Water Pressure From a Hot Water Heater. Part of the series: Water Heaters. Fixing no water pressure from a hot water heater will require you to...Jan 1, 2024 ... When cold water in a water heater expands when heated some jobs require an expansion tank especially if the incoming city water has a pressure ...A water heater thermal expansion tank is required for both original and replacement water heaters by the International Residential Code (IRC P2903.4). It’s necessary because water expands when heated and is an incompressible liquid. Without a thermal expansion tank, the expanding water in your pipes has nowhere to go.Certain tanks may also experience “waterlogging,” which is the term for when the entire tank is filled with water. Since pressure tanks should maintain a 1:3 water-to-air ratio to produce pressure, this prevents the tank from functioning properly. Depending on the cause, the solution to waterlogging might require replacing the whole tank. ...Jan 6, 2017 ... The expansion tank provides the extra volume needed in the system during the heating phase. The type of expansion tank used with a water heater ...This valve is designed to open and release water if the pressure inside the tank gets too high. The pressure relief valve is usually set to open at around 60 psi, which is well above the average working pressure of a water heater. Another preventative measure against too much pressure in a water heater is the temperature and pressure …Small storage tank water heaters, known as point-of-use (POU) or utility water heaters, are good choices for adding hot water to outbuildings, shops or garages. Utility water heaters usually range in size from 2-1/2 to 19 gallons. ... These pans sit under the heater and collect water from leaks or overflows caused by excess pressure in the …However, when a gas water heater’s tank isn’t full, condensation can form. ... and the issue can be addressed by turning the valve to fully open it to lower the water pressure. If adjusting a ...The cost for installing a water heater expansion tank would range across $ 145 to $ 350. In fact, the purchase cost for an expansion tank would begin at around $ 30 to $ 50 if you are going for a DIY expansion tank. The cost can go up to $ 350 for a professional expansion tank. If you choose to hire a plumber or an installer in your …When water heats up, it expands. Usually, water heaters are set to hold about 150 PSI (Pounds per Square Inch). When the pressure of the water inside of the tank goes over that, then the temperature and pressure relief valve will open, until the pressure is released. The danger begins when homeowners don’t test their T&P valves.Your water heater is leaking, which could indicate either a crack somewhere in the tank or a malfunctioning temperature-and-pressure (T&P) relief valve. It’s important to note that water heater leaks aren’t always serious, and don’t always mean the tank might explode, or even that it needs to be replaced. If there is a leak in the water ...YYQTGG Normal Pressure Relief Valve, 1mpa Pressure Relief Valve 1/2inch Copper Water Heater Tank Pressure Reducing Valve for Water Heater System 99 Centigrade. $21.79 $ 21. 79. FREE delivery Wed, Nov 15 on $35 of items shipped by Amazon. Only 1 left in stock - order soon.The excess water volume, instead of causing too much pressure on the plumbing, rushes into the expansion tank and lowers the pressure in the water heater to …However, when a gas water heater’s tank isn’t full, condensation can form. ... and the issue can be addressed by turning the valve to fully open it to lower the water pressure. If adjusting a ...May 5, 2023 · Water heater expansion tanks regulate water pressure in a hot water system to prevent damage to plumbing and appliances in a home. Steel expansion tanks were used until the mid-to-late twentieth century, while newer diaphragm tanks occupy modern water heater installations. Since 2006, all original and replacement water heater systems have been required to include an expansion tank. Because ... Updated on January 15, 2024. If you own a water heater, the water inside will expand when heated. An expansion tank helps relieve pressure inside the water …Your water heater is leaking, which could indicate either a crack somewhere in the tank or a malfunctioning temperature-and-pressure (T&P) relief valve. It’s important to note that water heater leaks aren’t always serious, and don’t always mean the tank might explode, or even that it needs to be replaced. If there is a leak in the water ...May 5, 2023 · Water heater expansion tanks regulate water pressure in a hot water system to prevent damage to plumbing and appliances in a home. Steel expansion tanks were used until the mid-to-late twentieth century, while newer diaphragm tanks occupy modern water heater installations. Since 2006, all original and replacement water heater systems have been required to include an expansion tank. Because ... A water heater thermal expansion tank is required for both original and replacement water heaters by the International Residential Code (IRC P2903.4). It’s necessary because water expands when heated and is an incompressible liquid. Without a thermal expansion tank, the expanding water in your pipes has nowhere to go.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 …To fix a pressure relief valve on a hot water heater, that keeps opening, or leaking, you must replace the relief valve. First, you should drain the tank. Then, remove the discharge tube. Next, you will replace the pressure relief valve. Then, put it back together and fill the tank.Do you know how to build a turtle tank? Find out how to build a turtle tank in this article from HowStuffWorks. Advertisement A turtle makes a great pet if you provide the right ha...CARBO Instruments 2-1/2" Pressure Gauge,Water Pressure Test Gauge, 3/4" Female Hose Thread, 0-200 PSI with Red Pointer. 4.4 out of 5 stars 3,065 #1 Best Seller in Industrial Pressure Gauges. 2 offers from $9.95. HoldRite QuickStrap Universal Expansion Tank Water Heater Wall Mounting Bracket, Stainless Steel, QS-U.How to Fix No Water Pressure From a Hot Water Heater. Part of the series: Water Heaters. Fixing no water pressure from a hot water heater will require you to...Calculate this and find out the amount of GPM you require your ideal water heater to produce. At 2.6 GPM, the Camplux BW211 has the highest GPM on our list, followed by the CAMPLUX ENJOY OUTDOOR LIFE BD158, the Gasland BE158, and the Hotaitai Portable Propane Water Heater which have 1.58 GPM each.Pressurizing a well tank can often be done on your own but requires a few steps and some equipment. You will need a tire gauge and an air compressor or a manual bike pump. All wate...Overview. Prevents pressure fluctuations in water heater tanks. Recommended for closed-loop water supply systems. Factory pre-charged at 40 psi. Butyl rubber diaphragm construction. 3/4 inch MIP connection. 304-Stainless steel fittings. 6-Year limited warranty.Pro Tip: Once water is in your home's plumbing system, there are many ways pressure can be decreased - blocked pipes, clogged filters or aerators, sediment-laden water heaters and plain old leaks are typical culprits. Residential water pressure tends to range between 45 and 80 psi (pounds per square inch). Anything below 40 psi is considered ...Feb 10, 2021 ... An expansion tank is designed to relieve pressure in both potable water and closed hydronic heating systems. It ensures that constant pressure ...When sized and installed correctly, the expansion tank minimizes excess pressure on the water heater and reduces the risk of failure. The problem is the bladder ...Dec 9, 2022 · The water heater expansion tank functions as an overflow vessel, soaking up the increasing water volume caused by the changing water temperature and fluctuations in the water supply pressure. Because heated water expands due to temperature increase, the water heater produces extra water volume as it heats the water. Apr 4, 2021 · A common range is 20-40 psi or 30-50 psi. Use the Pressure Tank Sizing Formula: The general formula to calculate the pressure tank size is: Volume (in gallons) = Drawdown (in gallons) / (High Pressure – Low Pressure) Drawdown is the amount of water the tank can hold between the cut-in and cut-out pressure points. According to instruction sheet, the max psi aloud by code and for this tank is 80psi. The water pressure coming into house averages between 68-72 psi. I know that's kind of on the high side, average house has around 50-55psi coming in from main. It's been like that forever, haven't blown any pipes apart yet.STEP 2: Run your drain line. Run a garden hose from the water heater drain to the exterior of your home. If the tank sits below grade (say, in the basement), you’ll likely need at least two ...When is it required in Texas? An expansion tank is always highly recommended if you have a 'closed-loop system' caused by any kind of check valve or pressure ...Remember to lower the pressure of your water heater’s tank before dealing with T&P valve issues. 5. The Inlet and Outlet Connections Are Loose. In a water heater, cold water enters through the ...STEP 2: Run your drain line. Run a garden hose from the water heater drain to the exterior of your home. If the tank sits below grade (say, in the basement), you’ll likely need at least two ...A water heater may have an internal leak if water is dripping or leaking from the water tank's pressure relief valve a device used to protect the water heater from being damaged by excess water pressure. A leaking water heater can cause serious water damage, even flood a basement, if it goes unfixed for an extended period of time. Even …Cost of Heat Pump Water Heaters. One of the biggest issues with heat pump water heaters (sometimes called hybrid water heaters) is the upfront cost. A standard 50-gallon hot water heater can cost ...When sized and installed correctly, the expansion tank minimizes excess pressure on the water heater and reduces the risk of failure. The problem is the bladder ... Various issues can occur with the pressure-relief valve on a water heater. These problems can potentially lead to dangerous and costly scenarios, such as an explosion or flooding. Here’s a detailed breakdown: 1. Pressure Buildup: The primary role of the pressure-relief valve is to release excess pressure in the water heater tank. APEC Water4-Gallons Vertical Pressure Tank. 74. • Pre-pressurized 4 Gallon water storage tank holds up to 3.2 Gallon of water, suitable for average to large size families. • Discharge efficiently in a vertical or horizontal position with tank stand. • FDA certified food grade bladder ensures quality, safety and durability.A common range is 20-40 psi or 30-50 psi. Use the Pressure Tank Sizing Formula: The general formula to calculate the pressure tank size is: Volume (in gallons) = Drawdown (in gallons) / (High Pressure – Low Pressure) Drawdown is the amount of water the tank can hold between the cut-in and cut-out pressure points.Feb 22, 2024 · A water expansion tank acts as a bladder that takes in the excess water from the hot water heater so that the pressure doesn’t keep building. A water heater expansion tank costs between $90 and ... May 3, 2022 · Perform a Quick Flush. Before you shut off the water, connect a garden hose to the drain valve and try and flush the water heater tank a bit while the water pressure is on. To do this, open the drain valve for a few seconds and then close it again. The pressure will blow out any sediment stuck in the valve and help the tank drain faster. How does a water heater expansion tank work? When you heat up a kettle of water on the stove, eventually the kettle will begin to whistle as the pressure developing inside it blows out steam. Although the water in your water heater doesn’t reach the boiling point and turn into steam, it does expand when heated up. This is called thermal ...Plumbing. Types of Pressure Tanks. Updated September 13, 2023. By Brian Gregory. Pressure tanks are used in a variety of home applications. …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 ...Solar water heaters could help cut your utility bills. Visit HowStuffWorks to learn about solar water heaters. Advertisement Heating up water accounts for a good chunk of a home's ...RheemPerformance 50 Gal. 4500-Watt Residential Tall Electric Water Heater with 6-Year Tank Warranty and 240-Volt. Add to Cart. Compare. Top Rated. More Options Available. Expert Installation Available. $65900. Buy 3 or more $619.46. ( 6461)An expansion tank is needed after the meter/check valve. This is due to the expansion of water in the heater (or boiler). If the water pressure drops considerably while running a faucet, it is probably due to a faulty PRV. Adjusting the PRV by turning the adj. screw counterclockwise reduces the psi. Clockwise increases the pressure. (most PRV's).Water tank pressure, temperature & volume calculations: This article describes Water Tank Pressure Calculations - the effects of temperature, air charge, tank size, pump pressure settings on water system performance, using Boyle's Law, Charles' Law, and the Combined Gas Law in a building water supply system where a private well is the water …An adjustable thermostat regulates and maintains the water temperature. A pressure-relief valve prevents an excessive buildup of pressure inside the tank. ... Tank-type water heaters come in ...A water heater pressure relief valve, also referred to as a T&P valve, pressure relief valve, or water heater temperature valve is a safety feature that …Small storage tank water heaters, known as point-of-use (POU) or utility water heaters, are good choices for adding hot water to outbuildings, shops or garages. Utility water heaters usually range in size from 2-1/2 to 19 gallons. ... These pans sit under the heater and collect water from leaks or overflows caused by excess pressure in the …The Issue: Leaking Tank. If the water heater regularly makes sizzling sounds, this is likely due to internal condensation, which is a sign that the tank may have a leak. A leak in the water heater can be a tough problem to fix, but it depends on where the leak is in the tank. Leaks from the top of the tank are likely caused by loose or ...Highlights. 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.A water heater thermal expansion tank is required for both original and replacement water heaters by the International Residential Code (IRC P2903.4). It’s necessary because water expands when heated and is an incompressible liquid. Without a thermal expansion tank, the expanding water in your pipes has nowhere to go.CARBO Instruments 2-1/2" Pressure Gauge,Water Pressure Test Gauge, 3/4" Female Hose Thread, 0-200 PSI with Red Pointer. 4.4 out of 5 stars 3,065 #1 Best Seller in Industrial Pressure Gauges. 2 offers from $9.95. HoldRite QuickStrap Universal Expansion Tank Water Heater Wall Mounting Bracket, Stainless Steel, QS-U.CARBO Instruments 2-1/2" Pressure Gauge,Water Pressure Test Gauge, 3/4" Female Hose Thread, 0-200 PSI with Red Pointer. 4.4 out of 5 stars 3,065 #1 Best Seller in Industrial Pressure Gauges. 2 offers from $9.95. HoldRite QuickStrap Universal Expansion Tank Water Heater Wall Mounting Bracket, Stainless Steel, QS-U.Step 1: Disconnect the Water and Power Supply. Turn off the water supply to your water heater. If your unit is fixed to a supply line with a shut-off valve, switch off the water flow from the supply line to your building. If your units run on electric power, switch off the breaker. For a water heater that uses gas, switch off the gas supply.Series PLT Potable Water Expansion Tanks are designed to absorb the increased volume of water created by thermal expansion and to maintain balanced pressure ...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, …The main difference between expansion tank and pressure tank is that expansion tank controls the water pressure generated by heat from a water heater system, while pressure tank regulates the water pressure for a home well water system. 1. Functionality. A pressure tank and an expansion tank are similar in that both help … When water is heated inside your water heater, it expands. This process is called thermal expansion and it can cause strain on your plumbing system. The way that it works is this: if your water heater holds 50 gallons of cold water, it will expand to about 52 gallons when it is heated. If the extra volume has nowhere to go it pushes on the ... Cost of Heat Pump Water Heaters. One of the biggest issues with heat pump water heaters (sometimes called hybrid water heaters) is the upfront cost. A standard 50-gallon hot water heater can cost ...1. Leaking expansion tank. 2. Tank pressure loss. 3. Tank pressure too high. 4. Air blockage. 5. Condensation on outside of tank. 6. Tank needs …Pro Tip: Once water is in your home's plumbing system, there are many ways pressure can be decreased - blocked pipes, clogged filters or aerators, sediment-laden water heaters and plain old leaks are typical culprits. Residential water pressure tends to range between 45 and 80 psi (pounds per square inch). Anything below 40 psi is considered ...Solar storage tanks have an additional outlet and inlet connected to and from the collector. In two-tank systems, the solar water heater preheats water before it enters the conventional water heater. In one-tank systems, the back-up heater is combined with the solar storage in one tank. Three types of solar collectors are used for residential ...The key concepts are: 1. Pressurizing the air side of the tank to equal the static pressure of the water at the expansion tank location and before adding water to the system. This prevents cold water from …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 ...Storage tank water heaters can cost around $600 to $800, but costs vary on the size of the tank. Installing a tank-style water heater will cost between $900 and $2,500 on average. TanklessIf the pressure in the tank is not set correctly, you may then either add or release air as needed. If you are using a 30-50 pressure switch, the low pressure cut-in point is 30 psi. Set the tank pressure at 27 or 28 psi. Once you have the pressure in the tank set correctly, you can turn the pump back on. Don’t forget to close the boiler ... Welcome to Bestank. We are the #1 provider of water systems in the Philippines, browse through our website and learn why Filipinos have entrusted us to store, deliver, heat, and purify their water for the more than 40 years. For use in 30 to 160 gallon water heater tanks. Prevents dangerous pressure build-ups. For installation on residential water heaters. Built with a butyl rubber diaphragm. 3/4-In MIP connection; 4.5 gallon capacity. Factory pre-charged at 40 PSI. Maximum operating temperature: 210-degrees F. Maximum working pressure: 150 psi | Cbqyqywxus (article) | Mqnqkw.