Contradiction with Jeremiah 35:7
Here, they are commanded not to live in houses, but to dwell in tents, contradicting their action to stay in Jerusalem in verse 11.
Jeremiah 35:7: Neither shall ye build house, nor sow seed, nor plant vineyard, nor have [any]: but all your days ye shall dwell in tents; that ye may live many days in the land where ye [be] strangers.
Contradiction with Genesis 12:1
God commands Abram to leave his country and kindred, whereas the Rechabites sought protection by going into Jerusalem rather than leaving.
Genesis 12:1: Now the LORD had said unto Abram, Get thee out of thy country, and from thy kindred, and from thy father's house, unto a land that I will shew thee:
Contradiction with Exodus 23:33
The verse advises against making covenants with foreign peoples, yet the Rechabites went into the city for safety.
Exodus 23:33: They shall not dwell in thy land, lest they make thee sin against me: for if thou serve their gods, it will surely be a snare unto thee.
Contradiction with Numbers 14:42-43
Israelites are told not to enter the Promised Land against God's desires, contrasting with the Rechabites entering a city where they had not been commanded to go.
Numbers 14:42-43: Go not up, for the LORD [is] not among you; that ye be not smitten before your enemies.
Contradiction with Deuteronomy 28:52
This verse warns that enemies will besiege towns, yet the Rechabites enter one for safety, contradicting the prophetic warning of cities as unsafe.
Deuteronomy 28:52: And he shall besiege thee in all thy gates, until thy high and fenced walls come down, wherein thou trustedst, throughout all thy land: and he shall besiege thee in all thy gates throughout all thy land, which the LORD thy God hath given thee.