### Question
How is the term storage water heater defined?


### Answer
The term **storage water heater** is defined in *42 U.S.C. § 6311* as the following:

> a water heater that heats and stores water within the appliance at a thermostatically controlled temperature for delivery on demand

#### Citation:
  - *42 U.S.C. § 6311*
  - Heading: **CHAPTER 77-ENERGY CONSERVATION > SUBCHAPTER III-IMPROVING ENERGY EFFICIENCY > Part A&ndash;1-Certain Industrial Equipment**

