FF23 fan heater offers rugged reliability. You will need a 32 amp 3 phase supply to run this heater which has two heat settings. The heater is also fitted with a thermostat to set the desired temperature required. The hard wearing outer case is made from pressed steel and powder coat painted for long life.Features and Benefits Radial Fan Sound Level: 60dB(A) Plug Size: 32A Overtemp Protection Optional: Portable Remote Thermostat