40 gallon hot water tank - The 40-gallon tank of this budget gas water heater has a 65-gallon first-hour delivery rate, making it a good choice for three- to four-person households. Larger families can size up to a bigger tank while still …

 
The ProLine® 400/401 Series gas water heater is designed to deliver an economical performance that can lower your energy bills and also provide long-lasting value. Featuring a 40-gallon tank and a 40,000 BTU gas burner, the GCRL-40 Standard Vent delivers a first hour rating of 70 gallons and a recovery rate of 41 gallons per hour.. Is honkai star rail multiplayer

Jan 31, 2024 · A 40-gallon tank is sufficient for small households with 1 to 2 people and low hot water usage. A larger 50-gallon water heater costs more at $700 to $3,100+ installed but will meet the hot water needs of a larger household of 3 to 4 people. A.O. SmithSignature 100 40-Gallon Short 6-year Warranty 36000-BTU Liquid Propane Water Heater. 252. Multiple Options Available. • Delivers the ideal amount of hot water for households with 3 to 4 people when sized appropriately. • Features a 36,000 BTU gas burner that provides a first hour delivery of 67 gallons.What Are Water Storage Tanks Used For? Water storage tanks can be installed in your loft, supplying your central heating system with cold water to be heated and transported around your home as required. Usually, cold … 40 Gal. tank provides ample hot water for households with 2-people to 4-people; Delivers 69 Gal. of hot water in the first hour; 9-year limited warranty on tank and parts for your convenience; 2-year in home labor warranty for peace of mind; 0.58 uniform energy factor makes this 1 of the most efficient gas water heaters available Capacity: Your needs may be different, but generally a 40-gallon tank provides enough hot water for a home with two occupants, and a 50-gallon tank for four or five people. For six or more, get as large a tank as possible. Tankless vs. traditional: Tankless units heat the water as it passes through its coils, creating an endless stream of … RheemPerformance 40 Gal. 4500-Watt Elements Medium Electric Water Heater with 6-Year Tank Warranty and 240-Volt. Add to Cart. Compare. Expert Installation Available. $54900. Buy 3 or more $516.06. ( 1939) Model# XE40M09EL55U1. Jan 31, 2024 · A 40-gallon tank is sufficient for small households with 1 to 2 people and low hot water usage. A larger 50-gallon water heater costs more at $700 to $3,100+ installed but will meet the hot water needs of a larger household of 3 to 4 people. 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 …Ideal hot water delivery for households with 3-4 people when sized appropriately. Environmentally friendly 40,000 BTU Low NOx gas burner delivers 80 gallons in the first hour. Electronic gas valve provides precise temperature control for optimum hot water delivery. Self-diagnostic electronic gas control incorporates an LED status …The Rheem Performance Platinum 40 Gal. Tall 12-Year 38,000 BTU ULN Natural Gas Water Heater is an efficient Ultra-Low NOx water heater provides more hot water for added convenience. Features like push button, match-free ignition that make it great for replacement for your current tank water heater.A. O. Smith's 40-gallon propane water heater provides efficient and reliable hot water for households with 2 to 3 people when sized appropriately. With an environmentally friendly 36,000 BTU gas burner, this propane tank water heater delivers 80 gallons of hot water in the first hour. It features an electronic gas valve that provides precise ...Bradford White RG240S6N - 40 Gallon - 40,000 BTU Defender Safety System Atmospheric Vent Energy Saver Residential Water Heater (Nat Gas)- This Bradford White water heater utilizes a draft diverter and is atmospherically vented. It is perfect for many standard water heating applications. Features: Bradford White …The SuperStor Ultra Indirect Water Heater draws energy from a boiler and thus does not need its own heat source. Hot boiler water flows through an internal heat exchanger in the tank, heating the domestic water. The SuperStor Ultra boasts 3-5 times more recovery than conventional gas-fired or electric water heaters.40 Gal. tank provides ample hot water for households with 2 to 4 people; Power to know: built-in LeakSense leak detection system alerts you of any leak large or small, internal or external; Power to control: built-in EcoNet Wi-Fi technology allows you to manage hot water, track energy usage, and set modes like vacation mode from …A 500-gallon propane tank is a steel storage tank that holds liquid propane gas for residential use. The 500-gallon term means the tank has a water capacity of 500 gallons, accordi...Buy RG240S6N : Bradford White Hot Water Tank, 40 Gallon, Natural Gas, Defender Series at Amre Supply - Property Performance Centres with 13 locations across Canada. Account Holder? Login for Wholesale Pricing Call 1-800-661-9891 Mon-Fri 8am-8pm | Sat 9am-6pm (EST) Call 1-800-661-9891 | View Hours. My …The ProLine® 400/401 Series gas water heater is designed to deliver an economical performance that can lower your energy bills and also provide long-lasting value. Featuring a 40-gallon tank and a 40,000 BTU gas burner, the GCRL-40 Standard Vent delivers a first hour rating of 70 gallons and a recovery rate of 41 gallons per hour.InvestorPlace - Stock Market News, Stock Advice & Trading Tips Among the groups of Nasdaq stocks in trouble this year are crypto nam... InvestorPlace - Stock Market N...Specs & Details. Dimensions: 60 7/8 H x 22 W x 22 D. Effective Capacity at X-High Setting (gallons) 64. Unit Capacity. 40 Gallons. Configuration. Short.Get hot water whenever you want it with the Gemco electric water heater. It has a 40-gallon tank for storage. This 40-gallon electric water heater ha...The Rheem Performance 40 Gal. Natural Gas Tall Water Heater comes with a 36,000 BTU/hour environmentally friendly low NOx burner that provides ample hot water for households with 2-people to 4-people. ... 40-Gallon tank provides hot water for households with 2-4 people; Restricted in CA and UT – see disclaimer …Install the water heater in an area that leaves at least 6 inches of clearance around it for ventilation. Don't set it next to anything hot or flammable. Turn the water heater so that access to the burner and controls is unobstructed. Place a level on the side of the water heater and plumb it with plastic shims. 5.In case you have soft water or hot water issues, you may end up with a mineral build up in the valves. This can cause clogging in the valves can cause damage to the tank and reduce the water pressure. ... Expansion Tank Size in Gallons: 40 to 60-gallon: 40-50 psi: 2-gallon: 40 to 60-gallon: 60-80 psi: 3.2-gallon: 80-gallon: 40 psi: 2 …Estimated rental charges may vary from $28 to $35 for a gas Power Vent model, $40 to $49 for a condensing gas tankless model. ... Always have Hot Water with Tank or Tankless Water Heaters ... for your household, no matter what your specific needs are. Tank water heaters also come in various sizes, including 30-gallon tanks, …That means that if you install this hot water heater with 16 AWG wire, the wire will likely fry. The wire closest and over 18.8A is the 14 AWG wire. That’s the right choice for 30-gallon, 40-gallon, 50-gallon, 60-gallon, 70-gallon, and 80-gallon electric water heaters as you will see in the all-encompassing chart below.ES10N-40H - 40 Gallon Tall Standard Electric Water Heater - 10 Year Warranty by American Water Heater Company. Amercian Water Heaters. ... Self-Cleaning Diffuser Dip Tube helps reduce sediment buildup inside the water heater tank to preserve high efficiency output for years of trouble-free operation. Stainless Steel …The ProLine® XE 40-Gallon Power Vent Natural Gas Water Heater is engineered to maximize efficiency while offering greater flexibility in installation options. Featuring a 40-gallon (nominal) tank and a 50,000 BTU gas burner, the GPVT-40 Power Vent delivers a first hour rating of 87 gallons and a recovery rate of 55.9 gallons per hour.Installing a tankless water heater is a greater upfront investment, but these units can significantly cut the cost of monthly utilities. The U.S. Department of Energy estimates that in homes using 41 gallons or less of hot water, on-demand tankless units can conserve between 24% to 34% more energy than tank water heaters.40 Gallon Tall 6-Year 3800/3800-Watt Elements Electric Water Heater ... You've indicated a desired tank temperature of 135 ˚F. ... but even at 120°F, hot water can scald in a matter of minutes. If you choose a higher temperature, thermostatic mixing valves are particularly important to prevent scalding.A.O. SmithSignature 100 40-Gallons Short 6-year Warranty 4500-Watt Double Element Electric Water Heater. 4866. Multiple Options Available. • Delivers the ideal amount of hot water for households with 2 to 3 people when sized appropriately. • Features two 4,500-watt copper heating elements that provide a first hour delivery …Hot water tank piping diagrams are essential for designing and installing an efficient and reliable hot water system in any residential or commercial building. The heart of any hot...Specs & Details. Dimensions: 60 7/8 H x 22 W x 22 D. Effective Capacity at X-High Setting (gallons) 64. Unit Capacity. 40 Gallons. Configuration. Short.Dec 2, 2011 ... Problem: after about 15 minutes in teh shower my 40 gal water heater (only sevral years old) starts cool'n off, I replaced the heat'n ...Dual 3,800-watt copper heating elements deliver 20.7-GPH of hot water quickly when and where you need it. 49.75-in H x 20.5-in dia. Non-CFC polyurethane foam reduces heat loss and energy costs for added convenience. 6-year warranty gives you peace of mind. Fused-ceramic shield tank provides anti-corrosion protection.How do I remove sediment from my hot water tank? In this episode of Repair and Replace, Vance shows how to do a deep flush of a water heater. Also you'll learn what to do if the …The general rule of thumb is to match the size of the expansion tank to the size of your water heater. For a 40-gallon water heater, you would typically need a 2 …Ruud PROG40-38N-RU62 - 40 Gallon 38,000 BTU EF62 Tall Professional Achiever Atmospheric Water Heater, 6 Year (NG)- Professional Achiever® Atmospheric gas water heaters are engineered for more hot water at a low operating cost Efficiency .58 - .66 UEF More hot water at a low operating cost Performance …A 50-gallon water heater can supply about 35 gallons of hot water in an hour. On average, a typical shower uses about 2 gallons per minute and a total of about 17 gallons of water. It might be ...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...Product Description. Ideal hot water delivery for households with 3-4 people when sized appropriately. Environmentally friendly 40,000 BTU Low NOx gas burner delivers 80 gallons in the first hour. Electronic gas valve provides precise temperature control for optimum hot water delivery. Self-diagnostic electronic gas control …Electric Water Heaters · Electric Tank · Electric ... tank water heaters to fit your needs. ... ProLine® Master 40-Gallon Atmospheric Vent Tall Natural Gas Water ...In order to calculate the gallons in a round tank, the radius and the height of the tank’s interior should be measured in feet. The volume is equal to pi times the radius squared t...Performance 40 Gal. Tall 40,000 BTU Residential Natural Gas Power Vent Water Heater with 6-Year Tank Warranty. Add to Cart. Compare. More Options Available. ... hot water tank. gas hot water heater. 120 volt tank water heaters. Explore More on homedepot.com. Electrical. myTouchSmart Outdoor Timers;Buy RG240S6N : Bradford White Hot Water Tank, 40 Gallon, Natural Gas, Defender Series at Amre Supply - Property Performance Centres with 13 locations across Canada. Account Holder? Login for Wholesale Pricing Call 1-800-661-9891 Mon-Fri 8am-8pm | Sat 9am-6pm (EST) Call 1-800-661-9891 | View Hours. My …40 gal Gas Tank Water Heaters In Stock Near Me. 7 Results Gas Type: Natural Gas Get It Fast: In Stock at Store Today Nominal Tank Capacity (gallons): 40 gal Clear All. ... hot water. low nox burner. energy efficient water heater. first hour. performance platinum 40 gal. uln water heaters. 40 gal tall 12 year.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...14 Results Nominal Tank Capacity (gallons): 40 gal Water Heater Profile: Short Clear All. Sort by: Top Sellers. Top Sellers Most Popular Price Low to High Price High to Low Top Rated Products. ... hot water heater electric. hot water tank. 5+ electric tank water heaters. short electric tank water heaters. Explore More on …Ruud PROG40-38N-RU62 - 40 Gallon 38,000 BTU EF62 Tall Professional Achiever Atmospheric Water Heater, 6 Year (NG)- Professional Achiever® Atmospheric gas water heaters are engineered for more hot water at a low operating cost Efficiency .58 - .66 UEF More hot water at a low operating cost Performance … Product Description. Ideal hot water delivery for households with 3-4 people when sized appropriately. Environmentally friendly 40,000 BTU Low NOx gas burner delivers 67 gallons in the first hour. Electronic gas valve provides precise temperature control for optimum hot water delivery. Self-diagnostic electronic gas control incorporates an LED ... Install the water heater in an area that leaves at least 6 inches of clearance around it for ventilation. Don't set it next to anything hot or flammable. Turn the water heater so that access to the burner and controls is unobstructed. Place a level on the side of the water heater and plumb it with plastic shims. 5.For example, the average hot water heater tank is 40 gallons. There are approximately 8.3 pounds of water per gallon, so our example tank has about 330 lbs of water to heat. 40 Gallons x 8.3 lbs Per Gallon = 330 lbs of water. If the water is already 60 degrees and you want it to reach 120-degree hot water, a temperature rise of 60 degrees …Premium Performance and hot water efficiency delivers up to 33% more hot water and consumes up to 31% less energy. Efficiency Condensing Gas Technology - Unique heat exchanger design delivers maximum efficiency, performance and reliability for the everyday home. Venting Flexibility - equipped for power vent or power direct vent installations. A.O. Smith Signature 100 40-Gallons Tall 6-year Warranty 35500-BTU Natural Gas Water Heater. Install this A. O. Smith Signature 100 Series atmospheric vent 40-gallon natural gas water heater in narrow spaces to preserve room in your home. Gladiator 40 Gal. Medium 12-Year 5500W Electric Tank Water Heater with Leak Detection, Auto Shutoff - WA, OR Version (15) Questions & Answers (5) Hover Image to Zoom Jan 31, 2024 · A 40-gallon tank is sufficient for small households with 1 to 2 people and low hot water usage. A larger 50-gallon water heater costs more at $700 to $3,100+ installed but will meet the hot water needs of a larger household of 3 to 4 people. The Forever Hot® stainless steel heating tank was created to be used exclusively with Whitehaus® hot drinking water faucets. Easy to use, this tank will power ...Finding The Right Electric Hot Water Heater ; Best 40 Gallon Electric Water Heaters Reviewed . 1. A.O. Smith ENS-40 ProMax ; 2. Bradford White BWC RE340S6-1NCWW ; 3. Rheem PROE40 2 RH92 …Hot water tank piping diagrams are essential for designing and installing an efficient and reliable hot water system in any residential or commercial building. The heart of any hot...Get hot water whenever you want it with the Gemco electric water heater. It has a 40-gallon tank for storage. This 40-gallon electric water heater ha...The cost to replace a 40-gallon water heater is $600 to $1,600 for an electric unit or $900 to $3,000+ for a gas unit, including installation labor. A 40-gallon water heater costs $400 to $2,000 for the unit alone, depending on the brand, features, energy efficiency, and fuel type. Water heater sizes range from 30 to … Get free shipping on qualified Short, 40 gal Gas Tank Water Heaters products or Buy Online Pick Up in Store today in the Plumbing Department. Get free shipping on qualified Short, 40 gal Gas Tank Water Heaters products or Buy Online Pick Up in Store today in the Plumbing Department. ... hot water. low nox burner. platinum 40 gal. 40 gal short. 40 gal. natural gas short water heater. 40 gal. short. 40 gal. 40 gallon tank.Built-in safety system reduces the risk of accidental flammable vapor ignitions. Tall and slim 61.75-in H x 20-in diameter profile is designed for easier installation. Protective anode rod and fused ceramic tank shield provide superior tank protection and extend water heater life. High-altitude certified from 0 ft to 10,100 ft.With the energy factors being equal, the difference in cost of running a 50-gallon heater over a 40-gallon heater is essentially insignificant. And, in the long run, the 50-gallon heater will actually cost less to operate because the tank's less likely to run out of hot water (and bringing a tank of cold water to operating temperature takes a ... About This Product. The Rheem Performance 40 Gal. Natural Gas Tall Water Heater comes with a 36,000 BTU/hour environmentally friendly low NOx burner that provides ample hot water for households with 2-people to 4-people. A 40 gallon electric water heater takes approximately 1 hour and 20 minutes to heat up. Electric water heaters are a common household appliance used for heating water. They work by heating a tank of water using an electric heating element. The time it takes to heat the water in the tank depends on several … Product Description. Ideal hot water delivery for households with 3-4 people when sized appropriately. Environmentally friendly 40,000 BTU Low NOx gas burner delivers 80 gallons in the first hour. Electronic gas valve provides precise temperature control for optimum hot water delivery. Self-diagnostic electronic gas control incorporates an LED ... Bradford White RG240S6N - 40 Gallon - 40,000 BTU Defender Safety System Atmospheric Vent Energy Saver Residential Water Heater (Nat Gas)- This Bradford White water heater utilizes a draft diverter and is atmospherically vented. It is perfect for many standard water heating applications. Features: Bradford White …Short 4500/4500-Watt Elements Non Metallic Lifetime Electric Tank Water Heater. Add to Cart. Compare. More Options Available. Expert Installation Available $ 429. 00 ... 40 gal electric water heater. rheem water heater. hot water heater electric. hot water tank. power vent water heaters. compact water heaters.Premium Performance and hot water efficiency delivers up to 33% more hot water and consumes up to 31% less energy. Efficiency Condensing Gas Technology - Unique heat exchanger design delivers maximum efficiency, performance and reliability for the everyday home. Venting Flexibility - equipped for power vent or power direct vent installations.A 40-gallon tank is sufficient for small households with 1 to 2 people and low hot water usage. A larger 50-gallon water heater costs more at $700 to $3,100+ …The Bradford White TTW1 models are power vented for positive exhaust. The Bradford White RG2PV40T6N is a 40 gallon, hot water heater. This is a "tall tank" hot water heater and stands 65" from the Floor to the top of the blower. The jacket diameter is 20" wide. Featuring an input of 40,000 BTUs, this hot water heater …For use with both gas and electric water heaters. Fits up to a 60 Gal. tank. Insulates a water heater. Reduces water heater recovery time to save energy. Durable fiberglass body with R-10 insulation. East Installation. saves money. saves energy. package includes a roll of …Ensure your family has ample hot water for their daily needs with this A. O. Smith Signature 100 Series water heater. Designed to provide efficient, reliable hot water for households with 3 to 4 people when sized appropriately, this 40-gallon natural gas water heater deliver 80 gallons of hot water the first hours thanks to the …A.O. SmithSignature 100 28-Gallon Lowboy 6-year Warranty 4500-Watt Double Element Electric Water Heater. 218. • Delivers the ideal amount of hot water for households with 1 to 2 people when sized appropriately. • Features two 4,500-watt copper heating elements that provide a first hour delivery of 43 gallons.14 Results Nominal Tank Capacity (gallons): 40 gal Water Heater Profile: Short Clear All. Sort by: Top Sellers. Top Sellers Most Popular Price Low to High Price High to Low Top Rated Products. ... hot water heater electric. hot water tank. 5+ electric tank water heaters. short electric tank water heaters. Explore More on …Whirlpool 40-gal electric water heater ideal for a 3-person household. Dual 4,500-watt copper heating elements ensure hot water availability. 47.25-in H x 20-in dia. Installs in …The 40-gallon tank of this budget gas water heater has a 65-gallon first-hour delivery rate, making it a good choice for three- to four-person households. Larger families can size up to a bigger tank while still …

Highlights. Provides hot water using boiler energy as the source. Molded insulation minimizes heat loss. Flexible warranty plan options. Can hold up to 41 Gal. Top-mounted plumbing connections. Mechanical temperature control. Efficiency at its best. High Density Polyethylene (HDPE) bottle for clean, fresh water.. Cheap laptops near me

40 gallon hot water tank

Signature 100 40-Gallons Tall 6-year Warranty 40000-BTU Natural Gas Water Heater. 615. •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. •Electronic gas valve provides precise ...40 Gal. tank provides ample hot water for households with 2-people to 4-people; Electric water heater is easy to maintain; Delivers 52 Gal. of hot water in the first hour; 6-year limited warranty on tank and parts for your convenience; 1-year in home labor warranty for peace of mind; Automatic thermostat keeps water at your …This allows the water to expand as it heats. If your unit does not have one, installing one costs $100 to $350, making the cost to replace a 40-gallon heater and add an expansion tank between $1,350 and $2,250. DIY. DIY water tank installation is not recommended. In most cases, installation requires directly wiring …Capacity: Your needs may be different, but generally a 40-gallon tank provides enough hot water for a home with two occupants, and a 50-gallon tank for four or five people. For six or more, get as large a tank as possible. Tankless vs. traditional: Tankless units heat the water as it passes through its coils, creating an endless stream of …Best 40 Gallon Indirect Water Heaters – Top 5. Heat-Flo HF-40 Stainless Steel Indirect Water Heater Tank – 40 Gallon – $$. Squire SIT040 Indirect Water Heater – 40 Gallon – $$$. BIC IBC40 Indirect Water Heater – 40 Gallon – $$$$. AB Indirect Hot Water Heater – 50 Gallon – $. BIC IBC50 Indirect Water Heater – 50 Gallon – $$$$$.AO Smith GCB-40 - 40 Gallon GCB-40 40,000 BTU ProLine Blanketed Residential Gas Water Heater - Tall (NG)- Note: The gallons listed in …That means that if you install this hot water heater with 16 AWG wire, the wire will likely fry. The wire closest and over 18.8A is the 14 AWG wire. That’s the right choice for 30-gallon, 40-gallon, 50-gallon, 60-gallon, 70-gallon, and 80-gallon electric water heaters as you will see in the all-encompassing chart below.ES10N-40H - 40 Gallon Tall Standard Electric Water Heater - 10 Year Warranty by American Water Heater Company. Amercian Water Heaters. ... Self-Cleaning Diffuser Dip Tube helps reduce sediment buildup inside the water heater tank to preserve high efficiency output for years of trouble-free operation. Stainless Steel …A.O. SmithSignature 100 40-Gallon Tall 9-year Warranty 40000-BTU Natural Gas Water Heater. 398. • Delivers the ideal amount of hot water for households with 3 to 4 people when sized appropriately. • Features an environmentally-friendly 40,000 BTU gas burner that delivers 80 gallons in the first hour. A.O. SmithSignature 100 28-Gallon Lowboy 6-year Warranty 4500-Watt Double Element Electric Water Heater. 218. • Delivers the ideal amount of hot water for households with 1 to 2 people when sized appropriately. • Features two 4,500-watt copper heating elements that provide a first hour delivery of 43 gallons. Estimated rental charges may vary from $28 to $35 for a gas Power Vent model, $40 to $49 for a condensing gas tankless model. ... Always have Hot Water with Tank or Tankless Water Heaters ... for your household, no matter what your specific needs are. Tank water heaters also come in various sizes, including 30-gallon tanks, …65 Gallon First Hour Rating · 100°F-140°F Temperature Setting Range · Connects to 240-Volt Supply · 3/4" Water Inlet and Hot Water Outlet Connection Size&...The Rheem Performance Platinum 40 Gal. Natural Gas Short Water Heater comes with a 40,000 BTU/hour environmentally friendly Low NOx burner that provides ample hot water for households with 2 to 4 people. ... 40-Gallon tank provides hot water for households with 2-4 people; Restricted in CA and UT – see disclaimer below; …Ideal hot water delivery for households with 3-4 people when sized appropriately. Environmentally friendly 40,000 BTU Low NOx gas burner delivers 80 gallons in the first hour. Electronic gas valve provides precise temperature control for optimum hot water delivery. Self-diagnostic electronic gas control incorporates an LED status … Feit Electric40-Watt Equivalent T10 Dimmable Filament CEC Title 20 Compliant LED 90+ CRI Clear Glass Light Bulb, Soft White. Pickup. 26 in stock at South Loop. Delivery. Free. Add to Cart. Compare. 60. $767. 40 gal Gas Tank Water Heaters. Residential. Natural Gas. Propane. Direct Vent. Short. ... Performance 40 Gal. Tall 6 Year 36,000 BTU Ultra Low NOx (ULN) Natural Gas Power Vent Tank Water Heater. Add to Cart. ... gas hot water heater. propane water heater. power vent gas tank water heaters..

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