That s how much hot water you get from your water heater in its first hour of operation.
Big water heater tank.
Storage tank hot water heaters are sized based on btu input and capacity in gallons.
Unless you choose a tankless water heater you ll need a larger tank with a larger household.
Traditional water heaters feature a tank of stored water that is fueled by gas or electric power.
Tank water heaters typically hold between 20 and 80 gallons of hot water around 120 degrees fahrenheit in a storage tank.
A water heater that s too small could lead to never having enough hot water and or a water heater that s overworked leading to frequent repairs or premature breakdown.
They usually hold between 20 and 80 gallons of water for easy dispersion throughout your home.
But a tankless option with comparable output for instance the takagi tankless natural gas.
A water heater that s too big could lead to higher than necessary energy bills to heat water you don t even use.
Storage tank water heaters are classified by the amount of water they hold in gallons and tank size is a major consideration.
With a 40 000 btu hour input and an 81 gallon first hour rating there s plenty of hot water from a fully heated tank and faster than average recovery for a tank water heater.
The internal microprocessor provides more precise sensing and quicker heating response while the thermopile powered electronic gas valve runs the gas control without needing external power.
For example a 50 gallon tank water heater can be as much as six feet high and 22 inches in diameter.
If your family size is 5 or more you ll need an 80 gallon tank electric or a 50 gallon tank natural gas or liquid propane.
But you must also consider the first hour rating.
Again the more you rely on hot water on a regular basis the more btus and capacity you ll need.
In order to ensure that your household has enough hot water it s important to determine how much hot water you need on average.
They are fairly large and require a bit of space within.