The Sterling Model "TF" gas-fired unit heater offers a highly efficient, extremely durable alternative to the traditional clam shell design. These propeller type units combine the latest tubular heat exchanger and inshot burner technology with the quality and reliability you have come to know from Sterling. Standard energy saving features like the direct spark ignition and power venting reduce standby losses and offer improved seasonal efficiencies. The Model "TF" unit is certified by ETL as providing 83% thermal (combustion) efficiency.

Specifications

• Type: Thermo-Hydrometer Pen, Temperature, Humidity, Dew Point
Temperature Range -4 to 122 Deg F; Accuracy +/-1 Deg F; Display Type 4-Digit LCD; Resolution 0.1 Deg F; Power Requirement 3 Volt CR2032 Lithium Metal Battery Included; Approval CE