LAARS Mighty Therm LO-NOx PW (Sizes 500-1825) - Install and Operating Manual - Manual (Page 27)

Mighty Therm Lo-NOx Page 27
Figure 23. Tile Assemblies.
When ordering tiles: Assembly number is
for all tiles. Part numbers shown for the front
of unit are the same for the rear tiles. Check
dimensions of old tile as shown here to
confirm part number.