Water System
There is a 30 US Gal tank (40 US
Gal –400 series) behind the aft cargo hold for potable water. This
serves the galleys and washbasins, but not the toilets as they use
chemicals. Waste water is either drained into the toilet tanks or
expelled through heated drain masts.
The tank indicator (-3/4/500 version shown left) is located over the rear service door. Press to test,
indications are clockwise from 7 O'clock: Empty, 1/4, 1/2, 3/4, Full.
The NG has an LED panel that is always lit (below) for both potable
water and waste tank.
Potable Water Quantity Indicator - NG
Potable Water Quantity Indicator - Classics
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