Water Heater Btu Meaning

Since water weighs about 8 34 lbs gallon and we like to use it above 100f we put a lot of btus into our water.

Water heater btu meaning. A btu british thermal unit is the heat needed to raise a pound pint of water from 39 1f to 40 1f love them english units. A common input is 34 000 btus on a 40 gallon tank and 36 000 btus on a 50 gallon tank. It was first used in the late 1800s and has since become one of the most common units of classification in heating cooling appliances. 1 btu the amount of energy it takes to raise 1 pound of water 1 degree fahrenheit.

Input ranges from about 32 000 on a 30 gallon unit to 88 000 on a 100 gallon tank. A common input is 34 000 btus on a 40 gallon tank and 36 000 btus on a 50 gallon tank. The higher the btu input and efficiency the faster the recovery. Btuh btu per hour.

Input ranges from about 32 000 on a 30 gallon unit to 88 000 on a 100 gallon tank. The higher the btu input and efficiency the faster the recovery. Technically this measurement refers to the amount of energy this process takes when water is at its greatest density which usually happens at about 39 degrees fahrenheit. Recovery of gas fired water heaters is a function of the btu input and overall efficiency.

Water is the basis for the definition of a btu. Water heating can be categorized in the following general classes. 1 btu is the energy needed to heat or cool one pound of water 1 degree fahrenheit at sea level. One btu is the amount of energy it takes to raise the temperature of one pound of water by one degree fahrenheit at sea level.