Compare what you can make of the pinout to the Varitronix VI-602-DP-RC-S, which is a 50 pin 0.5" 6 digit $9.30 part available from Digikey (datasheets there too, Digikey part #153-1011-ND).
I'm not intimately familiar with the HF-225 but the Lowe's I've seen used "plain vanilla" LCD glass panels.
Tim.