Visual Dictionary Online


Powered by

gas water-heater tank [1]click to hear

gas water-heater tank [1] gas cock pressure-relief valve overflow pipe reset button control box drain valve outer jacket hot-water outlet flue hat temperature control

gas cock click to hear

Mechanism cutting off the gas supply when the water reaches the desired temperature.

pressure-relief valve click to hear

Device for lowering the pressure inside the tank by releasing excess hot water.

overflow pipe click to hear

Pipe through which water escapes when maximum pressure is exceeded.

reset button click to hear

Mechanism allowing the burner to be manually restarted.

control box click to hear

Box containing the set of controls that measure temperature and operate the burner.

drain valve click to hear

Device for emptying the water from the tank.

outer jacket click to hear

Metal casing protecting the tank.

hot-water outlet click to hear

Outlet pipe for hot water flowing into the hot-water circuit.

flue hat click to hear

Device reducing the amount of air withdrawn by convection.

temperature control click to hear

Device for setting the temperature.