water and waste part 2

Electrical heaters are often used to

Prevent formation of ice in water lines

Water lines carry water from

Portable tanks to lavatories and galleys

Waste water tanks collect

Gray water

Waste water tanks collect gray water from

Galleys and lavatories

Heat water supply lines, water tank drain hoses, waste drain lines, waste tank rinse fitting, and waste drain masts

Heater blankets, inline heaters, or heater boots

Heater blankets, inline heaters, or heater boots

Heat water supply lines, water tank drain hoses, waste drain lines, waste tank rinse fitting, and waste drain masts

Thermostats in water lines supply

Temperature data to control unit

Thermostats turns

Electrical heaters on or off

If temp falls below freezing

Electrical heater turn on and stay on until temp reaches safe temperature

Electrical heater turn on

If temp falls below freezing

What happens to waste water?

The wastewater is then discharged from the aircraft through a service panel on the exterior when the plane is on the ground