Can someone direct me to a site that I can look up old York M#'s? I am changing out 2 RTU's. One is a DIPF048A46A & the other a D2PF030A06A. Serial #'s are yflm's so I figure they around a 1981 vintage. I need to find the footprint so I can get the curb adapters made and would appreciate any help.
Thanks in advance