9 Terms
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Water heaters
Industry: Household appliances
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Water heaters
Back flow
Household appliances; Water heaters
When water travels from one system upstream or back into any part of the main distribution system.
Boiling point
Household appliances; Water heaters
The boiling point refers to the temperature at which a liquid changes to vapour by the addition of heat.
Burner
Household appliances; Water heaters
A device in a which a flame or heat is produced in a water heater.
Cheque valve
Household appliances; Water heaters
Allows fluid to flow in only one direction in a pipe; also known as back-flow preventer.
Closed system
Household appliances; Water heaters
A system where the incoming cold water supply has a device that will not allow water to expand when heated (i.e. cheque valve, back-flow preventer, some pressure reducing valves, water meters).
Thermal efficiency
Household appliances; Water heaters
Ability to transfer and absorb heat from fuel source into the water.
Thermal stratification
Household appliances; Water heaters
Also known as stacking, or build-up, it is the ability of hot water to form layers of different temperatures in the tank.
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