TPI Corporation ET5SS Wall Thermostat &ndash; SP Line Voltage, 50 to 90 degrees F, 120V to 227V with 22Amps for 5100 Series Electric Heater. Centralized Heating System Accessory Durable Wall Thermostat: rugged plastic mounting base with one-piece cover vent is abrasion resistant. Electric thermostat helps to prevent switch from being closed when variable control means of thermostat is set to maximum or off position Temperature Control Thermostat: heat control thermostat provides temperature control facility for TPI select models of the 5100-series fan forced electric heater. Easy to Install Thermostat: can easily replace any two-wire line voltage thermostat. The Heat only thermostat uses single pole switch on120- 277-volt electric heat systems with an electrical rating of 22 amps Easy to Use: electric heater thermostat comes with smooth turn knob for quick 50 to 90-degree F temperature range mechanical thermostat. UL approved electric thermostat qualifies safety standards, safe to use in wide range of interiors. The fan can easily be mounted for ease of access Electric Thermostat Applications: Line voltage electric heater thermostat for new or replacement electric heaters. Perfect electric baseboard heater thermostat used for electric fan forced heaters, ceiling heaters. The fan helps in controlling temperature for a wide range of applications