Water of separation - In Numbers 8:7, the water of purification from sin is the water of purifying. So that which was to remedy a s…

And he that burns her shall wash his clothes in water, and bathe his flesh in water, and shall be unclean until the evening. And a man that is …

And a man [that is] clean shall gather up the ashes of the
heifer
A man, a clean prie…

The heifer was to be entirely burned. This typified the painful sufferings of our Lord Jesus, both in soul and body, as a sacrifice made by fire to…