This part fits your Packaged Unit/RTU
Transformer, 208/230-24volt, 40va
OEM Part - Manufacturer #621709R
This part fits your Packaged Unit/RTU
Transformer, class 2, 24v, 40va, rp
OEM Part - Manufacturer #621414R
This part fits your Packaged Unit/RTU
Transformer, auto-s.d. (575v)
OEM Part - Manufacturer #621782