TPI Fan forced wall heater in white color, has voltage rating of 240/208-Volts and current rating of 16.8/14.4-Amps, 8.3/7.2-Amps. This wall heater features 18-gauge steel housing and powder-coated finish. It features steel block fin element for the superior heat transfer. Heater has power rating of 4000/3000-Watts and 2000/1500-Watts. This wall heater has airflow rate of 175 CFM. It comes with in-built 1-Pole thermostat. This heater features automatic reset thermal limit safety switch. Grille measures 15-3/8-Inch x 20-9/64-Inch. It operates at temperature rating of 0 to 110 deg F. Wall heater is UL/cETLus listed and CSA certified.