HAWK21M From India, joined Jan 2001, 31713 posts, RR: 56
Reply 3, posted (10 years 1 month 1 week 6 days 8 hours ago) and read 1475 times:
On the B737,there is a Potable [Not Portable ]water tank aft of the Aft cargo section.Water from there is supplied to Galleys & Lavatory faucets [Not Waste water ie Toilet].
Galleys have heaters to provide Hot water & cold water after filteration.
which can be used for making Tea/Coffee.
Rest used Packed water.