Electric Wall & Ceiling Heater Thermostat, 24 to 277V AC, 1 1/8 in Overall Depth, 2 1/8 in Overall Height, 1 1/8 in Overall Width, Compatible Manufacturer Model Number All Dayton(R) Unit Heaters Except 2YU58, 2YU60, 2YU61, 2YU64, 4TDH6, 4TDH7, 4TDH8,...