Then he brought me back to the door of the temple, and behold, water was issuing from below the threshold of the temple toward the east (for the temple faced east). The water was flowing down from below the south end of the threshold of the temple, south of the altar.
This part of Ezekiel's vision must so necessarily have a mystical and spiritual meaning that thence we conclude the other parts of his vision have a mystical and spiritual meaning also; for it cannot be applied to the waters brought by pipes into the temple for the washing of the sacrifices, the keeping of the temple clean, and the carrying off of those waters, for...
Commenting on Ezekiel 47:1-12
Afterward he brought me again unto the door of the house,.... The door of the temple, even of the holy of holies; hither the prophet is said to be brought again, or "brought back" (x); for he was last in the corners of the outward court, viewing the kitchens or boiling places of the ministers; but now he was brought back into the inner court...
Afterward he brought me again to the door of the house; and, behold, waters issued out from under the threshold of the house eastward: for the front of the house [stood toward] the east, and the waters came down from under from the right side of the house, at the south [side] of the altar.