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Household appliances

Any device found in the home designed for a specific function, especially electric devices such as toasters or refrigerators.

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Household appliances > Water heaters

recovery fact (RF)

Household appliances; Water heaters

Rating based on the efficiency of the product which is input required to raise 1 gallon of water 1°F.

safety shut off valve

Household appliances; Water heaters

A device on a gas appliance which shuts off the gas supply to prevent a hazardous situation. A flame failure safety shut off operates when the actuating flame becomes ...

scale

Household appliances; Water heaters

A coating or layer (usually lime, biocarbonate or calcium) on the bottom of a tank or interior parts, that may prevent heat transfer.

sealed combustion

Household appliances; Water heaters

Sealing of combustion chamber to prevent spillage of combustion products.

sediment

Household appliances; Water heaters

The substance that settles on the bottom of a tank.

series system

Household appliances; Water heaters

Generally where the primary heater preheats water to a given desired general purpose temperature and feeds into another heater.

sight hole

Household appliances; Water heaters

Generally referring to oil-powered product that allows the viewing of burner and flame patterns.