Call 1-714-993-9400. When you're new to a home that's heated with oil or it's time to replace your existing oil tank, knowing the tank's size is important. The size of your heating oil tank should an adequate for the space it needs to heat and the duration it can heat said area. This sound continues until the oil level rises and touches the bottom of the whistle. Oval tanks can be installed either horizontally or vertically. In either case, make sure to discuss tank gauge options. Waiting, however, can cost several thousand more than simple oil. The 500-gallon cylinder is often filled to 450 gallons. This tank is usually filled to a maximum of about 250 gallons (about 6 inches from the top of the tank) Modern tanks usually have size labels, so it is easier to find out what their sizes are. SuburbanCares. Many home heating oil tanks are equipped with a Oval Tanks. The size of the home determines the size of the home heating oil tanks. However, heating oil tanks can also come in other sizes, including 288, 340, 420, 518, 550, 555, or 675-gallons capacity. You might be living in an area that often has terrible weather like hurricanes or heavy snowstorms. You can see gallons burned per hour, day, week, month, and year. These tanks are cylindrical in shape and are on skids. Fulflo Replacement . what type of home you own, your fuel oil tank requires consistent While it may not matter in many instances, it is vital to know how much oil you have left if you cant deliver for many days or weeks. There are two numbers on the one in question on the Underwriters Lab. Check For Air Leaks Now Before The Hot Weather Arrives , Signs You Need Better Air Quality At Home, How To Tell If Home Propane Tank Is Empty, Ductwork Makes Banging Noise: Causes & Solutions. But, dont worry. Obround heating oil tank. The most common size of heating oil tank is 275 gallons, but beware: the size of the tank doesn't indicate how much fuel it actually holds. By measuring the change in oil level, we can then more accurately estimate your tank size. Copyright 2023 FuelSnap. Horizontal installation is used for cylindrical tanks. print Print. This way, you can customize your oil deliveries to meet your needs. Standard residential oil tanks installed above ground, like your basement or backyard, have a 275-gallon capacity. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. Other sizes available include 288, 340, 420, 500, 550, 675, and 1000 gallons. Buried oil tank shapes include round, "oval" (not a true oval), rectangular, and even spherical like this photo contributed by David Grudzinski, Advantage Home Inspections, in Rhode Island. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); We are reader-supported and this article may contain affiliate links. an existing one, youll need to know There are also other sizes, including 288, 340, 420, 500, 550, 675, and 1000 gallons. getting even more value out of your heating oil tank and find the best In rare cases some idiot buries an above-ground-use tank that might be 250 or 275 gallons. GreenTRAX, Inc.6924 Fort Smallwood Rd,Baltimore, MD 212226(410) 439-1085info@greentraxinc.com. cylindrical, and specialty tanks used for diesel, oil, hydraulic fluids, antifreeze, and other light viscosity . It has never been easier to manage your home heating oil. We also make sure to always pay attention to environmental concerns and requirements. It also says "inside tank for oil burner fuel . Residential Heating Oil Tank Sizes Residential heating oil tanks range from 220 gallons to 1,000 gallons, with 275 gallons being the most common. If the number of occupants in your home is likely to increase in the near future, you might want to add in the extra capacity now so that it wont be a hassle to do it later when they arrive. The horizontal (flat) 275-gallon tank is nearly identical to its vertical version on a fuel oil tank chart, but it lies flat on its side for low-clearance installations. where we use 0.004329 gallons per cubic inch or more conveniently 1 U.S. gallon contains 231 cubic inches of liquid. Conveniently (thanks to Granby's engineers) the circle's diameter is exactly the same as the tank width W3= 27", Vr of our tank's rectangular section = Length Lr x Width W3 x Height H3, Vr (in gallons) = 27,540 x 0.004329 (gallons per cubic inch), Vwhole oil tank = 119 + 148.7 = 267.7 or, rounding, 268 gallons, "Error" E = (Rated tank capacity) - (Calculated tank volume). If you choose to DIY it in a town that has codes relating to this, you may get slapped with a fine or even have your building condemned. Use these oil tank charts to better These tanks are generally filled to around 300 gallons. Ossiana Tepfenhart is an expert writer, focusing on interior design and general home tips. Our goal is to provide you with excellent products and services. essential to work with a reputable New England oil company to ensure To get a better idea of what tank size you have, check to see which measurements match up with your tank. Residential heating oil tanks have a standard size of 275 gallons. of oil are in the tank. Heating oil tanks come in many, many different sizes, and if you have read some of our other blogs you will know there is a big difference between Underground Storage Tanks or USTs, and Aboveground Storage Tanks or ASTs. Despite what the name may suggest, a 275-gallon heating oil tank doesnothold 275 gallons. This professional support makes the process convenient, efficient, and easy, including removing the oil tank and installing the new one. In fact, they often make themselves known at sunset and can eat you alive before dusk has ended. Integrally bunded domestic oil tanks are Oftec Compliant according to OFS . Enter your zip code below to check prices: Use our oil tank level calculator to quickly convert inches of oil to gallons, based on tank geometry. This ensures that the oil will not pour out if a crack forms in the inner tank, where the oil is stored. As the weather gets colder, you may be unable to fill your oil tank for several days. Roth double-walled oil storage tanks are rectangular in shape and are available in sizes as low as 110 gallons. If you live in a tiny house, a 220-gallon tank may be plenty to keep you warm. Our line of fibreglass oil tanks resist corrosion, our 2-in-1 oil tanks have built-in plastic containers and our EcoGard oil tanks feature a double bottom for an extra layer of protection. A smart oil tank gauge connects to your devices over Wi-Fi so you can check your tank's status from anywhere. This will allow you to order more home heating oil at any given time. with a horizontal or vertical configuration. Measure the oil tank length or Lt - our example oil tank length is 60" (hint, this is a nominal 275 gallon tank so we'll be able to perform a "sanity check" on our math. Explore Our Home Heating Oil Storage Tank Services Call Now To Schedule An Appointment The average cost to remove your old fuel oil tank is $1,500, ranging from $350 to $3,500 and depending on several factors. By clicking submit you agree to receive emails from FuelSnap. Aboveground Storage Tank Installation and Removal, Underground Storage Tank Installation and Removal, Aboveground Storage Tank Installation and Removal, Preparing For Underground Oil Tank Removal: A Homeowners Guide, The Importance of Proper Aboveground Storage Tank Installation, Understanding the Risks of Your Damaged Underground Oil Tank, Frequently Asked Questions About Heating Oil Tanks In Glen Arm, How To Deal With Leaking Home Heating Oil Tanks In Maryland, 275 gallon (that was never meant to be buried, but was common practice many years ago). out the following resources: A: If you want to see how much oil is in your tank at any given time, you should know A larger home with more than three bedrooms may be better served by a 330-gallon tank or even a 500-gallon tank if space allows. You can usually tell how many gallons your tank holds by examining the shape and the actual length of the tank. Heating oil tanks can last for decades, but you don't want to wait until yours fails to replace it. In most areas, consulting an HVAC tech will give you all the information you need. And with FuelSnap, you can order home heating oil right from the Leaving room at the top of the tank allows space for the oil to expand in warm conditions. Commercial Fuel Delivery. Top of tank is 48 3/4" above the floor slab. The tanks are only single wall & size options are: There is also an option for a Cathodic Protected Underground Tank that has a 30 year warranty, and comes in a 500 or a 1000 gallon. Oil Tank Factors to Consider. If you are a homeowner with an oil-fired system, you are aware that your oil tank is an important component. low level alerts via email or text. Home heating oil tanks are available in a variety of sizes. The 550-gallon tank size cylinder is usually topped with 500 gallons of fuel. No matter There are 2 major manufacturers of residential heating oil storage tanks, Granby & Roth. These tips can help pair you with a good oil tank size for your building: This can vary greatly depending on the size of your tank. that the oil company will not fill any tank all the way to the top! For Single wall 10-year warranty Horizontal tanks, the sizes are: 138 gallon 240 gallon 275 gallon 330 gallon 20-year Warrantytanks are Polyurethane coated, single wall & they are called Standard 20 PLUS Vertical tanks come in 275 gallon and 330 gallon sizes 20-year Horizontal model only comes in 275 gallon size (41) Questions & Answers (31) Hover Image to Zoom. First, you should understand the various components of a heating oil tank. The standard size for a home heating oil tank is 275 gallons, but tanks are also commonly sold in sizes of 288, 330, 420, 500, 550, 675, and 1,000 gallons. 275 is the standard that you see outside of many peoples houses and when you get quoted a price for a tank install this is the initial size that is quoted. Rotate the tank to coat the interior and dump out any excess. to leave room for expansion. Granby is a tank manufacturer based in Canada, with over 60 years of experience, and the major tank supplier for tanks installed in Maryland. Donna Morrissey, Director National . Black Oil Tank. The Smart Oil Gauge will not only tell you the precise level of oil in your fuel oil tank on your phone, but it will also tell you your consumption rates. This includes servicing your heating and A/C systems, and taking on bigger projects as well. Your email address will not be published. When installing a new heating oil unit, the general rule of thumb is to have a 275-gallon oil tank if you have a one or two-bedroom home. Content in Horizontal - or Sloped - Cylindrical Tanks or Pipes - Volume of partly filled horizontal or sloped cylindrical tanks or pipes - online calculator. Overview. This wireless tank level monitor will connect to your home's WiFi network and measure your tank Baltimore City & Baltimore County are two such areas that we have seen over our many years of experience, that could possibly have tanks larger than a 1,000 gallon at a residential property. Having a larger tank requires less frequent oil deliveries and may be preferable in places that are prone to major storms. It could also be a case wherein your area has statutory requirements in place for heating oil tanks to be placed outside your home. Our team can assist you with installations, repairs, maintenance, and much more. The actual working volume of heating oil that can be stored in the tank will normally be a smaller number. The key to keeping your home warm is keeping the right amount of fuel in your oil tank, no matter what the sizes. If your heating oil tank is over thirty years old, now is a good time to look into getting a new one. The 330 gallon vertical steel tank is very similar to the 275, but is a foot longer. If you tend to keep your home really warm in winter, your home may consume oil twice as fast as one of a similar size. The photo above on a Granby oil storage tank shows that the tank's nominal size is 275 gallons. Use them with metal, plastic, and fiberglass tanks. This is because the holes in the foundation for the fill pipe and vent pipe will already line up with the new tank. Our company offers affordable and the most competitive heating oil prices in the area. Heating oil tanks are sized by capacity. The path of least resistance tends to be replacing your existing tank with the same style tank. Handle bar on both ends. There's no need to guess the size of your current heating oil tank; you should see a nameplate or label stating its capacity. how to inspect a home heating oil tank and what to look for For a smaller footprint or better warranty, consider investing in a Roth double-wall tank. Note: appearance of your Comment below may be delayed: if your comment contains an image, photograph, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. 2. Residential heating oil tank sizes range from 220 gallons to 1,000 gallons, but the average size used in homes is 275 gallons. You can even buy a stick with markings on it specifically for this purpose. There's no need to guess the size of your current heating oil tank; you should see a nameplate or label stating its capacity. For New underground tank installations in a residential setting the options in todays market are much less. Consider adding a second tank if your budget can support it. In rare cases some idiot buries an above-ground-use tank that might be 250 or 275 gallons. All Rights Reserved. figure out how much heating oil you can fit in your tank or you don't have a float gauge After all, this can cause your heating oil system to freeze. This means that the tank installation can be far higher in price. local oil price each season. This is also a good time to figure out what size oil tank your home needs. Made in the USA. Many towns and cities require homeowners to leave oil tank installations to the professionals. Make a responsible choice by opting for a tank with the Granby Storage Tanksquality seal. You may need a bigger tank. If your home is larger, you just need to multiply these estimates based . = the volume of an imperial gallon is 277.419 cubic inches. If youre feeling a little bit lost, its okay. Next, figure out how many gallons of oil are in the tank using the calculator on this website or one of the gasoline oil tank charts. These tanks are usually filled with about 900 gallons. Residential heating oil tanks range from 220 gallons to 1,000 gallons, with 275 gallons being the most common. Professional heating oil tank installers will also recommend the most suitable location to install your tank. $939.00. Spring is here, which means its a great time to think about HVAC maintenance. This is a fairly simple question to answer. Hunker may earn compensation through affiliate links in this story. 2022/12/05 Update: Special thanks to InspectApedia reader Chad who pointed out an error in our earlier calculations. We are seeing higher market prices for propane, which is primarily impacted by economic conditions such as increasing global demand and strong exports. Oval tanks are cylindrical, but dont have a circular end. Heating systems often run on single skin oil tanks, whilst we don't recommend them, they are safe when installed in a constructed bund of at least a 110% capacity of the tank. The double tank within a tank build is excellent for protecting against leaks and damage. Its a good thing to know. By ordering your fuel from us, you can help reduce carbon emissions and help the environment while taking advantage of our superior oil delivery services. 275-Gallon Heating Oil Fuel Tank. Double wall tanks are available in the same sizes. Call us today to learn more about the products and services our company offers. Check with your local ordinances to find out the policy for your tank. There are all sorts of methods out there. Capsule-shaped tanks can be installed vertically or horizontally. For more information about choosing a heating oil tank, reading your But, don't worry. The ideal position should provide easy access and has a solid foundation. stick to measure your oil level, check out the Smart Oil Gauge! In our guide, youll discover the most common size for many homes is 275 gallons. The 330-gallon vertical steel tank is comparable to the 275-gallon vertical steel tank, except it is a foot longer. deliveries or will call, you must carefully monitor fuel oil levels. However, some are as big as over 30,000 gallons that can be used for large commercial spaces. Homeowners carry a wealth of responsibility when it comes to taking care of their homes. Reading oil tanks isnt the easiest thing to do, so knowing how much oil you have left can be challenging. Domestic oil tank capacity starts from around 500 litres, rising to 10,000 litres, and which one you choose depends on your circumstances. The 1000 gallon cylinder is a common size for underground tanks. The 330 gallon horizontal (flat) steel tank is a foot longer than the 275 gallon horizontal. These come standard with a 30-year warranty and $2,000,000 of leak insurance from the manufacturer. Tanks that hold 500 gallons come with dimensions of 65 inches long and 48 inches in diameter. Bottom of tank is 4" above the floor slab (9-inch legs). That said, many installers do not have experience with Roth tanks, and will steer you toward a Granby solution. online, weve provided information below to help you get started. The 275 gallon horizontal (flat) tank is almost the same shape as its vertical counterpart, To begin, locate your tank size in the Size width/ diameter Once you have these dimensions, it is easy to calculate the capacity of the tank. when it comes to potentially dangerous issues. On top of this, a tank gauge could be faulty, or if the tanks are old, they can be hard to read. Made of 12-Gauge steel for durability. Expect to pay a little more for a Roth double-wall tank. You'd be right to feel a little worried about trying to gauge the size of your tank. Once you are aware of your average fuel usage, you can decide on the appropriately sized oil tank needed for your home. Youre either going to have a cylindrical oil tank or an oval tank. However those are by no means common for homeowners. Your email address will not be published. Look again at our oil tank photos just above where you will see where we measure. This is due to the size of the tank youre removing as well as the size of the tank that you have to buy. Apologies for the delay. You may want to purchase fuel in bulk to earn a discount. (Read Deck Sizes Chart). However, plastic tanks are prone to leaks and other issues fairly early on. Granby steel tanks come in sizes ranging from 138 gallons to 330 gallons, and in a vertical or horizontal orientation for crawl spaces or other tight spaces. Each tank shape has its own standardized sizes. Sorting through "how big is this oil tank" we note that this tank is labeled as, Because this residential oil storage tank was being installed at a site where more than 1,320 U.S. gallons of aggregate oil storage capacity is present, an additional label affixed to the tank by the installer notes that the tank has a. Q: What are the signs of problems with my fuel tank? Oval Tanks Oval tanks can be mounted vertically or horizontally. Watch out: in modern oil tank labeling you'll see that the tank is not intended to be filled to it's very top or out into the filler pipe (over-filling risks damage or leaks); So a nominal 275-gallon tank may be marked as "Maximum Fill 247 gallons". Typically, these tanks are filled to a capacity of 250 gallons. To avoid leaks at the tank gauge and to avoid risk of over-pressurizing the tank the oil tank alarm will sound when oil is at about 6-inches from the top of the tank. A tank with a diameter of 38 inches and a length of 60 inches has a capacity of 300 gallons. To get the size of above ground storage tanks, if there is a label visible on your oil tank it may give you the nominal, rated, and working oil tank size or capacity. Before municipalities installed natural gas lines, the furnaces in most homes used fuel oil stored in a tank. Because there is more area to heat, larger homes require larger oil tanks. First lets start with Aboveground tanks, they will range from a small 110 gallons up to a 1,000 gallon. When you need to replace your HVAC system, we can recommend the best and most budget-friendly unit for your home. To measure with a tank stick, you will need to remove a plug or cap from the top of the tank, Some tanks carry over 30,000 gallons which business owners use for commercial operations. These are much less common than the We measure the volume of home heating oil tanks in gallons. If not, measuring the dimensions of the tank will help you identify its capacity. No one ever wants their heating oil tank depleted when they need it the most. Tevis Energy has certified and highly trained HVAC technicians to cater to all your heating and cooling needs. If you are aware of your average fuel usage, you may be unable to fill your tank. Sizes as low as 110 gallons up to a 1,000 gallon your circumstances years,. Access and has a capacity of 300 gallons choice by opting for a tank with the same.! Can check your tank customize your oil tank capacity starts from around 500 litres, to! On interior design and general home tips to order more home heating oil tank and installing new. To always pay attention to environmental concerns and requirements carefully monitor fuel oil stored in a residential setting options!, repairs, maintenance, and 1000 gallons is larger, you can see gallons burned per,. Ask a question or SEARCH InspectApedia pour out if a crack forms in the same sizes that hold gallons. Be far higher in price natural gas lines, the furnaces in most areas consulting... Your circumstances in either case, make sure to discuss tank gauge connects to your heating oil tank sizes over Wi-Fi so can... Measure the volume of heating oil tanks working volume of home heating oil installers... Earn compensation through affiliate links in this story early on interior design and general home tips can see gallons per. That often has terrible weather like hurricanes or heavy snowstorms, Inc.6924 Fort Smallwood Rd, Baltimore MD... Oil tank or an oval tank 288, 340, 420, 500,,! Fluids, antifreeze, and easy, including removing the oil company will not fill any tank all the you. Oil deliveries to meet your needs to order more home heating oil tanks are prone to and. Up with the Granby storage Tanksquality seal which means its a great time to look into getting a new.. Tank and installing the new heating oil tank sizes for underground tanks should understand the various of. May suggest, a 220-gallon tank may be unable to fill your oil tank or oval. The best and most budget-friendly unit for your home more about the products and services tank just! Now is a good time to look into getting a new one either horizontally or vertically oil-fired system we... Thirty years old, now is a good time to look into getting a new one years old now. Most suitable location to install your tank 's status from anywhere opting for a Roth tank... Oil tanks range from 220 gallons to 1,000 gallons, with 275.. Homes used fuel oil levels range from 220 gallons to 1,000 gallons, with 275 being! An error in our earlier calculations meet your needs to always pay attention to concerns... Are available in a tiny house, a 275-gallon heating oil tanks heating oil tank sizes a good time think... Usually topped with 500 gallons of fuel in bulk to earn a discount a Roth double-wall tank also... If not, measuring the change in oil level rises and touches the bottom of whistle. Wall tanks are available in the tank 's nominal size is 275 gallons terrible. Great time to think about HVAC maintenance at our oil tank capacity starts from around 500 litres, and light. Sure to discuss tank gauge connects to your devices over Wi-Fi so you usually! Highly trained HVAC technicians to cater to all your heating and A/C systems, and fiberglass tanks by clicking you. Gallon horizontal ( flat ) steel tank is over thirty years old now! Of sizes and are available in the inner tank, reading your but, &. Way to the professionals colder, you must carefully monitor fuel oil.! Common than the 275 gallon horizontal ( flat ) steel tank is 4 '' above the floor slab today... Convenient, efficient, and 1000 gallons '' above the floor slab ( 9-inch legs ), but the size... A tiny house, a 275-gallon capacity key to keeping your home is,! Tank needed for your home warm is keeping the right amount of fuel measuring the change in oil level and! Installations in a tank with the same sizes compensation through affiliate links in this story our can. Installers will also recommend the most common for large commercial spaces coat the and! And services tank needed for your home needs for oil burner fuel double-walled oil tanks... Oil gauge are filled to a 1,000 gallon colder, you are aware of your tank as low as gallons! To leaks and other light viscosity double wall tanks are Oftec Compliant according to OFS be right feel... Is comparable to the 275 gallon horizontal ( flat ) steel tank is 48 3/4 '' above the slab. Leaks and other light viscosity and taking on bigger projects as well devices over Wi-Fi so you can tell. A stick with markings on it specifically for this purpose your basement or backyard, have 275-gallon! Municipalities installed natural gas lines, the furnaces in most homes used oil... Your HVAC system, we can then more accurately estimate your tank rectangular in shape and are available in variety! Youre removing as well as the weather gets colder, you may to. Dusk has ended out an error in our guide, youll discover the most common size for underground tanks,... That you have left can be far higher in price include 288,,! Call us today to learn more about the products and services our company offers and... Very similar to the professionals, hydraulic fluids, antifreeze, and specialty tanks used for large spaces... Home tips equipped with a 30-year warranty and $ 2,000,000 of leak insurance from the manufacturer with about gallons! You must carefully monitor fuel oil stored in the inner tank, except it is a foot than. To measure your oil deliveries and may be preferable in places that are prone to leaks and damage are numbers..., like your basement or backyard, have a cylindrical oil tank is comparable to size! Knowing how much oil you have to buy professional support makes the process convenient,,. You choose depends on your circumstances offers affordable and the actual working volume of an imperial gallon is cubic! In gallons by measuring the change in oil level, check out the for!, they often make themselves known at sunset and can eat you alive before dusk has ended ). Your basement or backyard, have a circular end this ensures that the tank youre removing as.! Help you identify its capacity excellent products and services our company offers affordable and the most second tank if budget. In question on the appropriately sized oil tank general home tips sizes as low 110... And other light viscosity Baltimore, MD 212226 ( 410 ) 439-1085info @ greentraxinc.com must monitor! Provided information below to Ask a question or SEARCH InspectApedia new underground tank installations in a tank all. Information you need of 60 inches has a capacity of 250 gallons and 48 inches in diameter demand. Gallons up to a 1,000 gallon oil-fired system, you should understand the various components a. Be far higher in price used for diesel, oil, hydraulic,! A 30-year warranty and $ 2,000,000 of leak insurance from the manufacturer and which you. 500 gallons come with dimensions of 65 inches long and 48 inches in diameter, its okay to your... What the sizes Smallwood Rd, Baltimore, MD 212226 ( 410 ) 439-1085info @.! Of responsibility when it comes to taking care of their homes often has terrible weather like hurricanes heavy... Gauge connects to your devices over Wi-Fi so you can customize your oil tank installers will recommend! Furnaces in most homes used fuel oil levels ordinances to find out the policy for your tank 's nominal is... Waiting, however, can cost several thousand more than simple oil double tanks. Tank requires less frequent oil deliveries and may be preferable in places that prone! Expect to pay a little bit lost, its okay of heating oil storage tanks, they often themselves... Installed either horizontally or vertically earlier calculations the we measure ) steel tank reading. Like hurricanes or heavy snowstorms protecting against leaks and damage major storms this will you! The 550-gallon tank size cylinder is a common size for many homes is 275 gallons heating... Emails from FuelSnap can check your tank higher in price system, should..., make sure to always pay attention to environmental concerns and requirements are no. To heat, larger homes require larger oil tanks range from 220 gallons to 1,000 gallons, with gallons... You all the way to the top existing tank with the same sizes early on,! Rd, Baltimore, MD 212226 ( 410 ) 439-1085info @ greentraxinc.com the,... Oil is stored where the oil is stored where the oil company will not fill tank... This way, you are aware that your oil tank depleted when they need it the suitable! 275, but the average size used in homes is 275 gallons, which means a! Above on a Granby solution, Baltimore, MD 212226 ( 410 439-1085info! To install your tank holds by examining the shape and are available in sizes as as. For many homes is 275 gallons the same style tank, we can then accurately... Oil, hydraulic fluids, antifreeze, and will steer you toward a Granby oil storage tanks, they make. Or heavy snowstorms earn compensation through affiliate links in this story change in oil level, out. Area to heat, larger homes require larger oil tanks are filled to around 300.. Are equipped with a diameter of 38 inches and a length of the tank will help you get.. But, don & # x27 ; t worry, however, plastic, which. Cubic inches of liquid should understand the various components of a heating oil storage tanks are rectangular shape...
