ESV:  So I will send a fire upon the house of Hazael, and it shall devour the strongholds of Ben-hadad.
NIV: I will send fire on the house of Hazael that will consume the fortresses of Ben-Hadad. 
NASB: So I will send fire upon the house of Hazael, And it will consume the citadels of Ben-hadad.
CSB: Therefore, I will send fire against Hazael’s palace, and it will consume Ben-hadad’s citadels. 
NLT: So I will send down fire on King Hazael’s palace, and the fortresses of King Ben-hadad will be destroyed.
KJV: But I will send a fire into the house of Hazael, which shall devour the palaces of Benhadad.
NKJV:  But I will send a fire into the house of Hazael, Which shall devour the palaces of Ben-Hadad.