Prepare a space large enough to accommodate the heater. A typical 80-gallon tank is 6 feet tall and 2 feet in diameter, and the clearances it needs above and on the sides are stated on the sticker that contains the model and serial number.
Full Answer
How big is an 80 gallon water heater?
Product SpecificationsDimensions & VentingType:TallHeight:60 1/2"Diameter:22 1/2"Width:22 1/2"2 more rows
Can you still get 80 gallon water heater?
The gas hot water heaters are still available because the makers could make changes to the tanks that brought them into compliance. The 60, 80. and 100 gallon tanks are not efficient enough to meet the new energy requirements.Dec 26, 2017
Is 80 gallon water heater too big?
Hot Water Usage Habits For example, a family of 5 – 7 people may not require a 60 – 80 gallon water heater. In some cases, a family of this size may be able to get by with a 50 – 60 gallon water heater. In addition, a family with 2 members may require a water heater with a water tank that is larger than 30 gallons.Jun 8, 2020
What size water heater do I need for a 75 gallon tank?
Typically, the rule-of-thumb is that you want a 40 gallon tank for 1 to 4 people, a 50 gallon tank for 4 to 6 people, and a 50 gallon high recovery or 75 gallon tank for 6 to 8 people. Energy consumption for 40 and 50 gallon standard water heaters is quite comparable.Nov 19, 2015
How heavy is a full 80 gallon water heater?
200 poundsSize of Tank When emptied, here's what you can expect the tank to weigh: 40-gallon water heaters weigh an average of 106 pounds. 50-gallon water heaters weigh an average of 140 pounds. 80-gallon water heaters weigh an average of 200 pounds.Jan 22, 2021
How long does it take an 80 gallon water heater to heat up?
A large 80-gallon gas water heater takes about 60 to 70 minutes to heat up.Jul 25, 2021
What size water tank do I need for a family of 4?
So with a family of 4 that has visitors staying occasionally, you could need 225,000 -250,000L of water per year. As your tank should fill up by the end of winter, you may not need a 250,000L tank but simply enough water in storage to get you through the 6-7 months of dry weather with a bit of buffer.Feb 14, 2015
What size water heater do I need for a family of 4?
For a four-person family, a 50-gallon water heater is sufficient. 50-gallons is good if you're using electricity, and 40 gallons will work for natural gas or propane. Families with more than five persons may benefit from an 80-gallon electric water heater or 50-gallon gas water heater.Nov 30, 2019
How do I choose a water heater size?
But if you only need a loose estimate of what size you need (versus an exact calculation), follow these guidelines:For 1 to 2 people: 30-40 gallons.For 2 to 3 people: 40-50 gallons.For 3 to 4 people: 50-60 gallons.For 5+ people: 60-80 gallons.Apr 10, 2018
What size heater do I need for a 90 gallon aquarium?
A 90 gallon aquarium will need a 275-watt heater in order to increase the temperature of the water to at least 5 degrees above room temperature. If you need to keep a 90 gallon aquarium 10 degrees above room temperature then you will need to use 450 watts of heating power.
How long does a 75 gallon hot water heater last?
Based on the manufacturer's suggested service life, the life expectancy of a water heater is about eight to 12 years.
How long does it take to heat up a 75 gallon tank?
The average gas heater takes between 30 and 40 minutes to fully heat up the water in its tank.Jan 24, 2020
How hot is water in a water heater?
Typically, a 70ºF (39ºC) water temperature rise is possible at a flow rate of 5 gallons per minute through gas-fired demand water heaters and 2 gallons per minute through electric ones. Faster flow rates or cooler inlet temperatures can sometimes reduce the water temperature at the most distant faucet.
How to size demand water heater?
Therefore, to size a demand water heater, you need to determine the flow rate and the temperature rise you'll need for its application (whole house or a remote application, such as just a bathroom) in your home. First, list the number of hot water devices you expect to use at any one time. Then, add up their flow rates (gallons per minute).
What is the first hour rating on a water heater?
The first hour rating is the number of gallons of hot water the heater can supply per hour (starting with a tank full of hot water). It depends on the tank capacity, source of heat (burner or element), and the size of the burner or element. The EnergyGuide label lists the first hour rating in the top left corner as "Capacity (first hour rating).". ...
How many people can fit in a 50 gallon tank?
A small (50- to 60-gallon) storage tank is usually sufficient for one to two three people. A medium (80-gallon) storage tank works well for three to four people. A large tank is appropriate for four to six people.
Do you need an energy guide for a water heater?
The Federal Trade Commission requires an EnergyGuide label on all new conventional storage water heaters but not on heat pump water heaters. Product literature from a manufacturer may also provide the first hour rating.
Why are gas water heaters still available?
The gas hot water heaters are still available because the makers could make changes to the tanks that brought them into compliance. The 60, 80. and 100 gallon tanks are not efficient enough to meet the new energy requirements.
What is hybrid water heater?
1. Hybrid Hot Water Heater. This is not a hybrid in the auto sense meaning part gas part electric. This is the hybrid between a heat pump and a traditional electric water heater tank. A heat pump uses the heat in the room to heat the water and it is boosted by a traditional water heater tank with a heating element.
Is a 80 gallon tank a loophole?
This is very similar to your 80 gallon tank that is being replaced. This is kind of a loophole in the law. The drawbacks are that the tank is more expensive than residential tanks, the warranty is only for 1 year, and the installation goes against the spirit of the energy conservation law. 5. Tankless Electric.
Is hot water too hot for a shower?
We install a standard tank and then turn up the thermostat to high. The hot water is too hot for home use, but it is tempered by the mixing valve that allows only the right temperature water to your showers and faucets.
Can you replace an 80 gallon tank with a tankless electric heater?
Tankless Electric. This option is generally not used to replace and 80 gallon tank because of the amount of hot water needed in the home. If you are doing a complete remodel, then this may be an option and you could use multiple tankless heaters for each bathroom or area.
How many people can use a 50 gallon water heater?
For example, a family of 3 to 4 people should purchase a 50 – 60 gallon water heater. On the other hand, a household with 5 – 7 people may require a water heater with a 60 – 80 gallon water tank. If you live alone with a spouse, a 3o gallon water heater will provide you with enough warm water to shower, do laundry, and wash dishes.
How long does a water heater last?
A standard gas water heater is engineered with a lifespan that ranges from 8 – 12 years. On the other hand, an electric water heater is designed with a life cycle that varies from 10 – 15 years.
What does FHR mean in water heaters?
An FHR Rating indicates the total number of gallons of warm water a water heater is able to produce in one hour.
What happens if you buy a water heater that is too small?
If you purchase a water heater that is too small, you may be forced to shower with cold water. In addition, a water heater that is too small for your family is forced to work harder. This will lead to costly repairs and tune-ups.
How many gallons of water does a small bathtub hold?
A standard small bathtub is able to hold an average of 40 gallons of water. On the other hand, a large bathtub may be able to accommodate up to 140 gallons of water.
Where to find FHR rating on water heater?
To find the FHR Rating of your current water heater, you will need to locate the EnergyGuide sticker. The FHR Rating will be located on the top of this sticker on your water heater. Read More: Why It’s Important to Replace Your Lead Pipes.
How much water do you use to wash your dishes?
However, you will likely use more than 50 gallons of water to wash your dishes from breakfast. A standard dishwasher utilizes a total of 6 gallons of water to remove grease and food from your dishes.
How big is a storage water heater?
Storage-type water heaters come in various sizes, and 80 gallons is one of the largest. That means you'll probably need help maneuvering and placing it, and you need a space large enough to accommodate it. An 80-gallon tank filled with hot water can make a mess if it ever falls over, so it's important that the unit be properly leveled on ...
How do I install a steam heater?
Connect two lengths of 3/4-inch copper pipe joined to a 90-degree elbow to form an escape route for steam and hot water. It should extend to the edge of the unit and down to within a foot of the floor.
Do you need a permit for a water heater?
You'll probably be able to find straps made specifically for your heater. Warnings. Your local building authority may require a permit for water heater installation, so check before you start. Open the cold water valve and wait for the tank to fill completely before you light the pilot or turn on the electric power.
Can you vent an 80 gallon tank?
An 80-gallon tank filled with hot water can make a mess if it ever falls over, so it's important that the unit be properly leveled on a stable surface. It must be strapped to the framing if you live in a seismic area. If you have a gas unit, you must vent it, and that may affect where you place it.
How big is a water heater?
They can be stand-alone water tanks or built into existing tanks. They range in size from 50 to 80 gallons.
How much does a water heater weigh?
A 40-gallon water heater is typically 61.25 inches tall by 18 inches wide and can weigh 115 pounds. A family of three to four people requires a 50-gallon capacity electric water heater.
How much water does a short water heater hold?
Short water heaters, or lowboys, vary from 30 to 49 inches tall and hold up to 50 gallons of water.
How many gallons of water does a Rheem water heater have?
For households with five people or more, you need an electric water heater with a capacity of at least 80 gallons. The Rheem Marathon Electric Water Heater comes in an 85-gallon tank, ideal for a big family. It has an overall height of 70.25 inches, a diameter of 28.25 inches, and weighs about 134 pounds.
What is the FHR rating on a water heater?
In addition to tank capacity, also consider the water heater’s first-hour rating. First-hour rating (FHR) describes how much hot water a tank can produce in an hour when it’s fully heated. FHR determines the water heater’s efficiency and gives an idea of what the heater can handle at peak usage.
How many people can a 23 gallon water heater serve?
The household size will determine the best water heater size. A 23 to 36-gallon tank water heater can serve a house that has two or fewer people.
What is the most common type of water heater?
A storage-tank water heater is the most common type of water heater. They are available in electric, liquid propane, and gas models. Natural gas and propane water heaters usually use less energy and are less expensive to operate than electric models.
Tankless Water Heater Sizes vs Traditional Tank Sizes
Tankless water heaters deliver 2 GPM all the way up to 12 GPM of hot water. How many GPM will you need? The 5-10 GPM ones work just fine for the majority of households. The water heater model you choose will vary based on the temperature rise, peak hour demand and first hour rating.
What Does Gallons Per Minute Mean?
Gallons per minute is a unit of flow in the US Customary system. There are 231 cubic inches in one gallon, so there are 7.4 gallons in one cubic foot. Therefore, 1 gallon per minute is equivalent to 0.00222801 cubic feet per second (cfs).
How to Determine How Much Water Your House Uses
Water is a precious resource in California, and similar to temperature rise, it’s important to know how much water your household is using. Before you attempt to install a traditional tank or any size tankless water heater, use these tips on how to determine how much water your house is using:
Additional Factors to Consider While Sizing Water Heaters
Aside from peak hour demand, here are a few other factors that you need to keep in mind when sizing the water heater which we will discuss in this article.
How big is a 50 gallon water heater?
For example, a 50-gallon tank water heater can be as much as six feet high and 22 inches in diameter . But a tankless option with comparable output—for instance, the Takagi Tankless Natural Gas Water Heater (available from SupplyHouse )—is just 20 inches high, 14 inches wide, and less than 10 inches deep.
How many gallons of water does a tank heater need?
You can estimate the necessary tank capacity (in gallons) based on the number of people in the house: 1 or 2 people—23 to 36 gallons. 2 to 4 people—36 to 46 gallons. 3 to 5 people—46 to 56 gallons.
How much flow rate does a Takagi water heater have?
In a warm climate where a temperature rise of only 20 degrees is necessary, the Takagi has an efficient flow rate of 10 gpm. If you need the water heater to raise the water’s temperature by 45 degrees Fahrenheit, however, the flow rate falls to about 7 gpm, as indicated on the manufacturer-provided flow rate chart.
How cold should water be for a water heater?
For instance, if the cold water temperature is 65 degrees Fahrenheit, the water heater will need to heat the water 45 degrees Fahrenheit in order to reach 110 degrees Fahrenheit, so 45 degrees Fahrenheit is the required temperature rise. Adjust the flow rate by the required temperature rise.
What is the FHR rating for a water heater?
In addition to tank capacity, consider a water heater’s first hour rating. The first hour rating (FHR) describes how much hot water a given tank can produce in a single hour when it’s fully heated. This figure reflects the appliance’s efficiency (how quickly the water heater can reheat the water) and gives an idea of what it can handle ...
Can a 50 gallon water heater fit in a wall?
For example, a 50-gallon tank water heater can be as much as six feet high and 22 inches in diameter.
Do tankless water heaters store hot water?
Tankless water heaters do not store hot water. Instead, they heat it as it’s needed. “Flow rate is the key spec when sizing a tankless water heater,” O’Brian says. The following information will help you estimate your family’s flow rate needs.