Recessed Electric Wall-Mount Heater, Commercial/Industrial, 1125/3000 Watts, 3840/10.240 BtuH, Heater Voltage 208/240 V AC, Electric Heater Phase 1, Wall Opening Width 14-3/16 In., Color White, 5.4/12.5 Amps AC, Wall Opening Depth 4 In., Wall Opening Height 19-15/16 In., Mounting Type Surface and Recessed, 60 Hz, Air Temp. Rise 40 Degrees F, Grille Material 18 ga Steel, Grille Width 15 3/8 in, Grille Depth 1 in, Grille Height 20 1/8 in, Housing Width 13 7/8 in, Housing Depth 3 3/4 in