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boiler [2]click to hear

Device in which water is heated before being distributed to the radiators.
boiler [2] Aquastat pressure relief valve box chimney burner heat exchanger heating element air tube fire pot draft hole insulation

Aquastat click to hear

Device regulating the water temperature.

pressure relief valve click to hear

Mechanism for releasing pressure by letting off excess water or steam.

box click to hear

Rigid metal casing for the boiler.

chimney click to hear

Channel through which combustion gases are evacuated.

burner click to hear

Device for mixing a flammable substance with air, and fanning and igniting this mixture in a boiler’s fire pot.

heat exchanger click to hear

Set of pipes transferring the heat produced by combustion to the water.

heating element click to hear

Conduit in which the water is heated.

air tube click to hear

Cylindrical part covering the nozzle and the ignition electrodes; it joins the burner to the fire pot.

fire pot click to hear

Part of the boiler where the combustion of air and heating oil takes place after they pass through the burner.

draft hole click to hear

Peephole for viewing the inside of the fire pot.

insulation click to hear

Material covering the sides of the boiler to reduce heat loss.