A/c Heater Box Interchanges

[fenderman33]

Is there a difference between the a/c heater box that would've come in my 73 Duster and the one that's in my 74 Valiant 4 door parts car? I'd like to take it out of the Valiant and put it in the Duster.
Thanks,
Jon

 

[dust-u]

i believe they are the same..if you had a 72 they would be considerably different

 

[fenderman33]

Should I post this in the heating and a/c forum instead? Someone can move it if I posted in the wrong spot.
Thanks,
Jon