DetailsMonterey Gravity, Top-Vented Wall Furnaces Require No Electricity For Operation, A Matchless Pilot Igniter and Automatic Temperature and Safety Controls. Each Furnace Includes A Thermostat That May Be Mounted On A Wall or On The Cabinet Of The Furnace. The Furnace Is Vented Through The Roof To The Outside (Venting Material Not Included) and Requires Installation On An Interior Wall. Designed To Heat Two Adjacent Rooms (25,000 BTU/Hr. On Each Side) Operating with A Single Thermostat.
California residents: see Proposition 65 Warning
Weight 133 Pounds (Lb) Width 17.5 Inches (In) Height 17 Inches (In) Country of Origin USA Length 72 Inches (In) Brand Williams Equipment Type Furnace AFUE 71% Air Flow Upflow BTU Input 50000 BTU Output 39100 Voltage 115 VAC Phase Single Cycle/Hertz 60 Approvals CSA Certifications CSA Color White Fuel Type Natural Gas Gas Type Natural Gas, U.S. and Canadian Standard Furnace Warranty Offered Yes Energy Star Rated No UL Listed Yes UL Recognized No Nominal AFUE 71