Recessed Electric Wall-Mount Heater Commercial/Industrial 750/1500 1000/2000 Watts 2560/5120 3413/6827 BtuH Heater Voltage 208/240 V AC Electric Heater Phase 1 Wall Opening Width 14-1/4 in Color White 3.61/7.21 4.10/8.33 Amps AC Wall Opening Depth 3-3/4 in Wall Opening Height 18 in Mounting Type Recessed 60 Hz Grille Material 18 ga Steel Grille Width 16 3/8 in Grille Depth 1 1/4 in Grille Height 20 1/4 in Housing Width 14 1/4 in Housing Depth 3 3/4 in