whirlpool Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › whirlpool This topic has 0 replies, 1 voice, and was last updated 19 years, 8 months ago by waters. Viewing 1 post (of 1 total) Author Posts July 20, 2006 at 2:40 pm #19298 watersParticipant Does anyone know info on model arc 7720.Airstream frost free.Only control i can see is in fridge,behind fridge dial .Small white box,what does it control.I cant find defrost timer,or any module.Help please. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In