en_tn/1pe/03/21.md

This is a symbol of the baptism that saves you now

Peter says that baptism corresponds to the way in which God saved Noah and his family in the ark from the flood.

the baptism that saves you now

Baptism is the means by which God saves people. AT: "the baptism by which God saves you now" (See: rc://en/ta/man/translate/figs-explicit)

the appeal of a good conscience to God

Possible meanings are 1) "the appeal of a person to God to give him a good conscience" or 2) "the pledge of a person to God made with a good conscience, that is, sincerely."

through the resurrection of Jesus Christ

"because of the resurrection of Jesus Christ." This phrase completes the thought, "This is a symbol of the baptism that saves you now."

submit to him

"submit to Jesus Christ"