Defrost vent box ac/ heat only
 

Is the box where you hook hoses for defrost the same on ac truck and heat only truck? Look the same in factory assembly book.im looking for one for ac truck.

Re: Defrost vent box ac/ heat only
 

When I upgraded to AC I used the same box - it works fine.

Re: Defrost vent box ac/ heat only
 

They are in the same general location, but the box themselves have differences