gas water-heater tank [2]![click to hear](/images/speaker.jpg)
gas cock ![click to hear](/images/speaker.jpg)
Mechanism cutting off the gas supply when the water reaches the desired temperature.
pressure-relief valve ![click to hear](/images/speaker.jpg)
Device for lowering the pressure inside the tank by releasing excess hot water.
overflow pipe ![click to hear](/images/speaker.jpg)
Pipe through which water escapes when maximum pressure is exceeded.
control box ![click to hear](/images/speaker.jpg)
Box containing the set of controls that measure temperature and operate the burner.
drain valve ![click to hear](/images/speaker.jpg)
Device for emptying the water from the tank.
outer jacket ![click to hear](/images/speaker.jpg)
Metal casing protecting the tank.
hot-water outlet ![click to hear](/images/speaker.jpg)
Outlet pipe for hot water flowing into the hot-water circuit.
flue hat ![click to hear](/images/speaker.jpg)
Device reducing the amount of air withdrawn by convection.
temperature control ![click to hear](/images/speaker.jpg)
Device for setting the temperature.
flue ![click to hear](/images/speaker.jpg)
Channel through which combustion gases are evacuated.
thermostat ![click to hear](/images/speaker.jpg)
Mechanism controlled by fluctuations in temperature; it can be set to automatically switch the burner on or off.
cold-water supply line ![click to hear](/images/speaker.jpg)
Inlet pipe for cold water to the tank.
gas burner ![click to hear](/images/speaker.jpg)
Combustion device for an air-gas mixture.
glass-lined tank ![click to hear](/images/speaker.jpg)
Insulated reservoir protected against corrosion by an enamel or glaze coating.
insulation ![click to hear](/images/speaker.jpg)
Material placed between the tank and the outer walls of the hot-water tank in order to reduce heat loss.