Williams 10,000 BTU Ventfree Natural Gas and Propane Heater with Thermostat

Design Features • Economical: 99.9% efficient • Dimensions: 14 1/8" wide, 6 3/8" deep, 19 1/8" tall • No outside duct or chimney needed! • Space saving design without sacrificing beauty • Models available in natural gas, propane or selected models equipped with "Fuel Exchange System"* • O.D.S. (Oxygen Depletion Sensor) with automatic shut-off • No electricity required • Operational controls available in Manual style (1 to 3 Heat Settings) or Automatic Thermostatic style (Variable Heat Settings) • Push button "Matchless" igniter • Wall mount bracket included